INVITED PRESENTATIONS

 

 

          (1)      Invited Symposia Lectures and Plenary Talks

 

These were either plenary talks or long invited talks at large conferences. Other such invitations I was unable to fulfill include the 1988 APS meeting and the 1994 CAP meeting.

 

·                June 1986: University of Helsinki -- "ROTA 2" Conference –"Wire dissipation in superfluid 3He-B"

·                August 1990: University of Sussex -- "Macroscopic Quantum Conference in Magnets" Conference

·                May 1992: University of Barcelona -- "Macroscopic Coherence in Magnets"  --"Coherence, Decoherence, and dissipation in  magnets" Conference

·                June 1992: University of British Columbia -- "Philosophy and the Arrows of Time" Conference, --"Time Reversal, Measurement, and Quantum computers"

·                August 1993: LT20 Conference (Eugene, Oregon)  "Tunneling, Dissipation, & Decoherence in Magnets"

·                June 1994: NATO Conference "QTM-94 " (Chichilienne, France), "Unconventional Environments".

·                March 1995: APS Meeting (San Jose), "Theory of Domain Wall Tunneling, Dissipation, and Decoherence in Ferromagnets".

·                May 1996: International Francophone conference, on “des éléctrons, des interfaces, et des polyméres” (Montréal, Canada) - “Théorie de l’effet tunnel macroscopique”

·                July 1996: Series of 6 lectures given were part of the celebration of the opening of the new Yukawa Institute in Kyoto, Japan (other lecturers are T.M. Rice (ETH), P. Wolfle (Karlsruhe) S.C. Zhang (Stanford) M. Sigrist (MIT), A. Millis (Bell)). 
I was originally offered the “Yukawa visiting professorship”, but had to turn it down since it involved a minimum stay of 3-4 months.

·                April 1997: Symposium on “tunneling in Complex Systems” (INT, Seattle).

·                June 1997: CAP Invited Lecture (Calgary); Macroscopic Quantum Phenomena in Magnets.”

·                January 1998: Max Planck Institute Symposium (Col de Porte); “Quantum Relaxation in Magnets.

·                April 1998: “The PISCES model, and models of the spin bath” (conference on “spin-boson models in physics and chemistry”, Freiburg, Germany.

·                June 1998: “Tunneling and Decoherence in Nanomagnets” (Quantum Fluids and Solids Conf.; Amherst, Mass.).

·                Oct. 1998: “Spin dynamics through domain walls” (OXSEN Conference, Oxford, England).

·                Nov. 1998: “ EHRENFEST” colloquium (Leiden, Holland); “The 4 fundamental mechanisms of decoherence”.

·                Nov. 1998: “COHEN-TANNOUDJI” Colloquium (Collège de France) “Cohèrence et les bains de spins”.

·                Dec. 1998: “Landelijk symposium” (Utrecht, Holland); “The Quantum spin Glass”.

·                Dec. 1998: “”Quantum Relaxation in Nanomagnets” Florence, Italy (ESF Conference on Molecular Magnetism).

·                June 1999: Sitges, Spain “Quantum Dynamics of Nanomagnets”.  (Sitges Conference 1999)

·                Dec  1999:  Closing plenary talk, Dutch physical society “Decoherence and Quantum Computation”  (Veldhoven)

·                Apr. 2000:  Univ. of Twente, opening plenary talk “Mechanisms of Decoherence” (6th International conf on mesocopic superconductivity)

·                June 2000:  Univ of Utrecht, opening plenary talk, “Mechanism of Decoherence” (conference on “Mechanisms of  Decoherence”)

·                Sep. 2000:   Univ of Lancaster, “Decoherence and Quantum relaxation in magnets and superconductors” (conference on  “fluctuations and Superconductivity”)

·                Dec 2000:   “Decoherence in Superconducting qubits” (Harrison Hot Springs meeting on superconductivity)

·                Mar 2001:   “Dynamics of Quantum Dipoles ” (APS invited symposium talk, March meeting, Seattle).

·                Apr  2001:   plenary talk “Dynamics of Quantum Dipoles” (annual meeting of Statistical physics section, Dutch physical society).

·                May 2001:   plenary talk “Quantum spin phase” (annual meeting, Dutch physical society)

·                Nov 2001:   plenary talk: “Mechanism of decoherence in solid-state qubits” 22nd Solvay conference (Delphi)

·                Nov 2002:   plenary talk:  “Quest for the solid state qubit- tuning decoherence” (Landelijk symposium, Utrecht)

                             

 

 

 

 

(2) Invited Lectures

 

 

 

Whilst at University of Massachusetts (1983-84)

·                November 1983:    S.U.N.Y. at Stony Brook

                                      "Spin Polarized Fermi Liquids"

·                May 1984:    S.U.N.Y. at Stony Brook

                                      "Quantum Tunneling of Vorticity in 4He Superfluid"

During 1 1/2 years out of Physics (based in England) (1984-85)

·                January 1985:    C.R.T.B.T. (Grenoble, France)

                                      "Spin Polarized Fermi Liquids"

·                May 1985: University of Massachusetts (Amherst)

                                      "Spin Rotation and Diffusion in disordered interacting 2-d fermions"

·                May 1985:    S.U.N.Y. at Stony Brook

                                      “Spin Rotation and Diffusion in disordered interacting 2-d fermions"

·                May 1985: Bartol Institute, University of Delaware

                                      "Spin Polarized 3He liquid"

·                May 1985:    NSERC, Ottawa

                                      "Spin Polarized Form Liquids"

 

Whilst at Grenoble (1985-86)

·                May 1986:     Max Planck Institute, Munich

                                      "Field theory and Fermi liquids in 2- and 3-d: spin fluctuations"

                                    October 1986: Imperial College, London "Fact and Fiction in Heavy Fermion

                                    Theory – (COLLOQUIUM)

Whilst in Lancaster, England (1986--87)

 

·                December 1986:    University of Florida, Gainesville
                      "High field effects in heavy fermions"

·                February 1987:    University of Massachusetts at Amherst 
                      "Impurities in Heavy Fermion superconductors"

·                February 1987:    IBM, Yorktown Heights (USA)
                      “High field effects in heavy fermion”

·                March 1987:    Argonne National Lab, Chicago 
                      "The dHvA effect in Heavy Fermions" 

·                March 1987:    University of Illinois at Urbana   
                      "The dHvA effect in Heavy Fermions" 

·                March 1987:    University of Illinois at Urbana   
                      "Impurity effects in Heavy Fermions" 

·                September 1987:    University of Cambridge (England)   
                      "The dHvA effect in Heavy Fermions" 

·                October 1987:    Autonoma University, Madrid (Spain)   
                      "Heavy Fermions"   – (COLLOQUIUM)

 

 

 

Whilst at C.E.N.G. (Grenoble) (1987-88) 

·                February 1988:    Cornell University 
                      "Kosterlitz-Thouless transition in the new superconductors"– (COLLOQUIUM)

·                February 1988:    Cornell University  
                      "Macroscopic Quantum Effects in Magnets" 

·                February 1988:    IBM, Yorktown Heights (USA)   
                      "Kosterlitz-Thouless transition in the new superconductors"

·                February 1988:    IBM, Yorktown Heights (USA)  
                      "Macroscopic Quantum Effects in Magnets" 

·                February 1988:    Los Alamos National Lab (USA)   
                      "Kosterlitz-Thouless transition in the new superconductors"

·                February 1988:    University of Illinois at Urbana   
                      "Kosterlitz-Thouless transition in the new superconductors" – (COLLOQUIUM)

·                May 1988:    C.N.R.S., Orsay, Paris  
                      "Transitions de Kosterlitz-Thouless dans les nouveaux supras"   – (COLLOQUIUM)

·                September 1988:    University of Toronto   
                      "Infra-red marriage of solitons and quasiparticles"  

·                September 1988:    University of Waterloo  
                      "Infra-red marriage of solitons and quasiparticles"  

·                September 1988:    University of Waterloo  
                      "Spin diffusion in 2--dimensional interacting fermions"  

·                September 1988:    University of British Columbia   
                      "Infra-red marriage of solitons and quasiparticles"

Whilst at Madrid/Santa Barbara (1988--89)  

·                February 1989:    University of Michigan at Ann Arbor   
                      "Infra-red marriage of solitons and quasiparticles"

 

·                March 1989:    Temple University, Philadelphia  
                      "Heavy Fermions in high magnetic fields"  

·                March 1989:    Queen's University, Canada   
                      "Infra-red marriage of solitons and quasiparticles"  – (COLLOQUIUM)

·                June 1989:    Bell Laboratories, N.J.  
                      "Kosterlitz-Thouless transition in High-Tc superconductors"  

·                June 1989:    Rutgers University, N.J.  
                      "Kosterlitz-Thouless transition in High-Tc superconductors"  

·                July 1989:    Max Plank Institute, Grenoble  
                      "Macroscopic Quantum Tunneling and the Coulomb blockade"  

·                October 1989:    Laboratoire Neel (Grenoble)
                      "Kosterlitz-Thouless transitions in the new superconductors"  

·                October 1989:    I.S.I., Turin (Italy)
                      "Merons in the new superconductors?"

 

    WHILST at UBC (1990-99)

 

·                June 1990:    C.N.R.S., Grenoble   
                      "2-dimensional Fermions"  

·                August 1990:    Cavendish Lab (Cambridge, England)   
                      "Quantum Diffusion"  

·                January 1991:    Princeton University (USA)   
                      "Dynamics of quantum fractal problem: W.A.H."

·                February 1991:    CIAR meeting (Sherbrooke)
                      "Lattice anyons and the muon experiment"  

·                April 1991:    University of California at San Diego   
                      "Quantum Diffusion"  

·                November 1991:    University of California, Santa Barbara   
                      "Singular interactions amongst 2-d fermions"

·                November 1991:    University of Massachusetts, Amherst   
                      "Singular interactions amongst 2-d fermions"

·                November 1991:    University of Toronto   
                      "Singular interactions amongst 2-d fermions"

·                November 1991:    University of McMaster   
                      "Singular interactions amongst 2-d fermions"  

·                January 1992:    CIAR meeting (TRIUMF)
                      "The breakdown of Fermi liquid theory"  

·                May 1992:    C.R.T.B.T. (Grenoble)  
                      "Interactions singulieres entres fermions a 2 dimensions"  

·                May 1992:    Laboratoire Néel (Grenoble)   
                      "Effet Tunnel Macroscopique dans les aimants" 

·                May 1992:    University of Barcelona (Spain)   
                      "Domain Wall Tunneling in Magnets"   – (COLLOQUIUM) 

·                May 1992:    CNRS (Toulouse, France)  
                      "Retombées de l'etude des nouveaux supraconducteurs"  

·                May 1992:    Univ. of Barcelona   
                      "Quantum Computers"  

·                October 1992:    NSERC (Ottawa)   
                      "Giant Spins and Quantum Computers"  

·                October 1992:    McGill (Montréal)   
                      "Giant Spins & Quantum Computers"   – (COLLOQUIUM)  

·                Oct. 1992:    Vancouver Royal Astronomical Society   
                      "Superfluidity in Neutron Stars"       

·                January 1993:    CIAR meeting (Sherbrooke)  
                      "The eikonal method and singular interactions"

·                Jan. 1993:    Sherbrooke  
                      "Spins géants et ordinateurs quantiques

·                Jan. 1993:    Univ. of Massachusetts  
                      "Giant spins & Q. Computers"   – (COLLOQUIUM) 

·                Feb. 1993:    Princeton Univ.   
                      "Singular interactions between fermions"  

·                Feb. 1993:    NEC (Princeton)  
                      “Macroscopic Quantum Tunneling in Magnets, and Quantum Computers"   – (COLLOQUIUM)

·                March 1993:    Santa Barbara  
                      "Macroscopic Q. Phenomena in Magnets: Towards the Q. Computer?" – (COLLOQUIUM)

·                March 1993:    Los Alamos   
                      "Singular Interactions between Fermions"  

·                March 1993:    Los Alamos   
                      “Macroscopic Q. Phenomena in Magnets"   – (COLLOQUIUM)

·                April 1993:    Princeton University   
                      "WAH & dissipation; or open string theory to some"  

·                April 1993:    MIT   
                      “Singular and Gauge Interactions between Fermions"  

·                May 1993:    Univ. of Barcelona   
                      "Singular Gauge interactions and HTc superconductivity"  – (COLLOQUIUM)

·                 May 1993:    Univ. of Barcelona   
                      "WAH & dissipation: or open string theory to some"  

·                May 1993:    La Bauma (Barcelona) Tertuglia:  
                      "Computadores Quanticos, y el desarollo de la ciencia en Catalunya"  

·                Oct. 1993:    University of Illinois, Urbana  
                      "Exact solution of Effective Gauge Theories: High-Tc and the
n=1/2 Hall effect.  

·                Oct. 1993:     Purdue University   
                      "Exact solution of Effective Gauge Theories: High-Tc and the
n=1/2  Hall effect.  

·                Oct. 1993:     Purdue University   
                      "Macroscopic Quantum Phenomena in Magnets"    – (COLLOQUIUM)

·                Nov. 1993:    University of Minnesota   
                      "Macroscopic Quantum Phenomena in Magnets"   – (COLLOQUIUM)

·                Nov. 1993:    University of Minnesota  
                      "Exact solution of Effective Gauge Theories: High-Tc and the
n=1/2 Hall effect.  

·                Nov. 1993:    Univ. of Oregon   

                                      "Macroscopic Quantum Phenomena in Magnets"    – (COLLOQUIUM)

·                April 1994:    MIT  
                      "Eikonal Expansion for singular interactions"  

·                April 1994:                     Bell Laboratories (Murray Hill)
                                        “Eikonal Expansion for singular interactions"

·                May 1994:    Grenoble (C.R.T.B.T.)  
                     
“Décoherence topologique: Interaction d'un `spin centrale' avec un environment de spin nucleaires".  

·                June 1994:    Institut Laue-Langevin (Grenoble)  
                      "L'Effet Hall fractionnaire, en termes d'une theorie de gauge"

·                September 1994:    University of Toronto  
                      "Gauge Theory of the Fractional Hall effect"  

·                January 1995:    CIAR meeting (Montréal)
                      “The present state of the normal state”

·                May 1995:    Laboratoire Neél (Grenoble)
                      “Aspects expérimentaux de l’effet tunnel magnetique”

·               May 1995:     CRTBT (Grenoble)
        “Coherence Quantique?”

·                May 1995:    Max Plank Institute (Grenoble)
                      “Experimental tests vs. Theory for composite germions”

·                June 1995:    Institut Laue - Langevin (Grenoble)
                      “Why is the Macroscopic World Classical?  The role of Nuclear Spins  – (COLLOQUIUM)

·                October 1995:     Univ. of Washington (Seattle)
                      “Quantum Nanomagnetism”

·                February 1996:     Univ. of California Berkeley
                      “Macroscopic Quantum Effects in Magnets” – (COLLOQUIUM)

·                February 1996:     Univ. of California Berkeley
                      “Singular Gauge interactions”

·                February 1996:    Stanford University

                                      “Macroscopic Quantum Effects in Magnets” – (COLLOQUIUM)

·                March 1996:     Keele University

                                      “Quantum Nanomagnetism” ‑ (COLLOQUIUM)

·                June 1996:    Univ. of California, San Diego (CMRR)

                                      “Tunneling in Nanomagnets”

·                November 1996:    Rice University

                                      “Quantum Relaxation in Magnets” (COLLOQUIUM)

·                January 1997:     Univ. of Tokyo

                                      “Quantum Phenomena in Mesoscopic Magnets”

·                January 1997:     Univ. of Toronto (C.I.A.R. meeting)

                                      “Spin Fluctuations and High-Tc Superconductors.

·                April 1997:    Univ. of Washington

                                      Tunneling of Solitons”

·                October 1997:    Laboratoire de Champs Magnetiques Intenses (Grenoble)

                                      “l’effet dHvA a 2 dimensions”

·                October 1997:          ETH (Zurich)

                                      “Quantum relaxation of Nanomagnets

·                November 1997:    Institute Laue-Langevin (Grenoble)

                                      “Quantum Relaxation in Magnets” (COLLOQUIUM)

·                November 1997:     Univ. of Gròningen (Holland)

                “Theory of the FQHE” (Math. Dept.)

                “Quantum Relaxation” (Phys. Dept.)

·                November 1997:    Univ. de Montréal

                                      “Gauge Interactions and High-Tc”

·                December 1997:    Magistère (Grenoble) / “Physique en Clips”

                                      Relaxation Quantique dens les cristaux nanomagnétiques”

·                February 1998:   McMasters University (Hamilton, Canada)

“Quantum Relaxation in nanomagnets” (CIAR Meeting).

·                March 1998:    University of Groningen (COLLOQUIUM)

“Why is the macroscopic world classical?”

·                March 1998:   University of Groningen

                                      “Quantum Relaxation in Nanomagnets”

·                March 1998:   Université Paris-Sud (Orsay)

                                      “Relaxation Quantique dans des systèmes Nanomagnétiqnes”

·                June 1998:   Institut de Physique Nucléaire (Paris)

                                      ”Modèles des Environnements Quantiques”

·                June 1998:   Ecole Normale Supériere (Paris)

                                      “Quelques modèles dans la physique des systèmes nanomagnétiques”

·               Oct. 1998:               Oxford Univ., England; OXSEN Conference

                                                “Spin dynamics through Domain Walls”

·               Nov. 1998:            EHRENFEST Colloquium; Leiden, Holland

“The 4 Fundamental Mechanisms of Decoherence”.

·               Nov. 1998:            Colloque “COHEN-TANNOUDJI”; Collège de France, Paris, France

“Coherènce et les bains de spins”.

·               Dec. 1998:              Univ. Stuttgart, Germany

“The dHvA Effect, Composite Fermions, and All That”.

·               Dec. 1998:              T.U. Muenchen, Germany “Quantum Relaxation of Nanomagnets”.

·               Dec. 1998:              Landelijk Symposium, Utrecht, Holland

“The Quantum Spin Glass”.

·               Dec. 1998:              ESF Conference, Florence, Italy

“Quantum Relaxation in Nanomagnets”

·               Dec. 1998:                  Zaragoza, Spain

                                         “Quantum Relaxation of Nanomagnets”

 

 

        SPINOZA INSTITUTE (Utrecht (1999-2002)

 

·               Jan. 1999:       Univ. of Utrecht, Holland

“Spin Phase Interference”

·        June 1999:                Leiden, Holland

                                         “Quantum Relaxation in Molecular Magnets and Spin Glasses”

·        Nov 1999:              ITP Santa Barbara

                                         “Quantum relaxation of magnetic molecules”

·        Jan 2000                 NEC Princeton, "Decoherence and Q Relaxation in magnets and

                                                 superconductors"                                

·        Feb 2000                 Groningen

                                          "Quantum Computation and Decoherence"

·        Mar 2000                Delft (Mar 00)

·                                       "Decoherence and Quantum Relaxation in Magnets and superconductors

                                                        [COLLOQUIUM]

·        Mar 2000                Univ. of Maryland

                                          "Decoherence and Quantum Relaxation in Magnets and superconductors                                 

                                                           [COLLOQUIUM]

·        Mar 2000                Univ. of Washington

                                          "Decoherence and Quantum Relaxation in Magnets and superconductors                                 

                                                           [COLLOQUIUM]

·        Mar 2000                Univ. of Massachussetts

                                          "Mechanisms of Decoherence  in Nature”               

                                                           [COLLOQUIUM]

·        Mar 2000                d-wave systems Inc.

                                          "Mechanisms of Decoherence  in Nature”                                  

·        Apr 2000                 Frei Univ- Amsterdam (Apr 00)  

·                                                   "Mechanisms of Decoherence"

·                                                       [COLLOQUIUM]

·        Apr 2000                  Univ v Amsterdam (Apr 00)                                            

                                            "Why is the macroscopic world classical?"       

                                                          [COLLOQUIUM]

·        Apr 2000                   Grenoble CNRS  

                                            "Mechanisms of Decoherence"

                                                         [COLLOQUIUM]

·       May 2000                   CIAR nanoelectronics meeting, Banff  

                                             "Mechanisms of Decoherence"

·       Oct 2000                     NEC/Princeton Univ joint seminar : "He-3 solid: a vacuum full of

                                       solitons?"                                           

·       Oct 2000                     Univ. of Massachussetts (Amherst)

                                             "He-3 solid: a vacuum full of solitons?"

·       Nov 2000                    Univ of Groningen 

                                             "Dynamics of Entanglement and Decoherence"

·       Nov 2000                    Univ of Muenchen 

                                             "Mechanisms of Decoherence"                   

                                                       [COLLOQUIUM]

 

 

       18 SEMINARS AND COLLOQUIA IN 2001     (FILE MISSING)

 

 

 

·       Mar 2002 (Cambridge, UK)            COLLOQUIUM- “solid-state qubits”

·       Mar 2002 (Aarhus)                         COLLOQUIUM- “large scale quantum phenomena in solids”

·       May 2002 (Toronto CIAR s/cond)                    “Solid-state qubits

·       May 2002 (London Imperial)                           “Q dynamics of magnetic molecules”

·       May 2002 (London Royal Institution)               “The Quantum Spin net”

·       Aug 2002 (Leiden conference)                           “Quantum dynamics of the spin net”

·       Oct 2002 (Sherbrooke)                            “From SQUIDs to Magnetic Molecules: quest for the

                                                                         solid-state qubit”

·       Oct 2002 (Toronto colloquium)                                     "          "            "       "       "        "          "

·       Oct 2002 (Boston Univ)                                      “Dynamics of solid-state qubits”

·       Nov 2002 (Banff nanoelectronics meeting)         “Problems and challenges for quantum

                                                                                      communication”

·       Nov 2002 (Dresden)                                            had to cancel

·       Nov 2002 (Berkeley)                                          “From SQUIDs to Magnetic Molecules: quest for

                                                                                     the solid-state qubit”

·       Nov 2002 (Stanford)                                          “Quantum dynamics of solid-state qubits”

 

 

 

 

·       Jan 2003  (Peter Wall Inst. For Adv. Studies)                     “Quantum Mechanics on the Large

                                                                                                     Scale”

·       Mar 2003  (Green college)                                           “The Sorcerer's Apprentice: a quantum

                                                                                              parable”

·       Apr 2003  (Banff Institute)                             “Suppression of decoherence in magnets and

                                                                                 superconductors”

·      May 2003  (Univ. College London)                COLLOQUIUM   “QM on the large scale: the quest

                                                                                                               for the solid-state qubit”

·      May 2003  (Rutherford Appleton Lab)           COLLOQUIUM   “Tunneling & spin coherence

                                                                                                                phenomena in Q Magnets”

·      May 2003  (7 Pines symposium, Minneapolis)                    “The vacuum in condensed matter

                                                                                                     physics”

·      May 2003 (Banff- CIAR QUIP programme)                       “The quest for the solid-state qubit”

 

·      Jun 2003  (Leiden)                                                  “Hofstadter lattices, decoherence, and open

                                                                                       strings (revisited)”

·      July 2003  (Grenoble)                                             “Dynamics of particles in the dissipative WAH

                                                                                       model”

·      Aug 2003  (Vancouver- PIMS)                                                                                                

 

·      Sep 2003  (Peyresq, de Broglie celebration)           1. Decoherence & Quantum Relaxation- solid-

                                                                                                   state qubits

                                                                                       2. The dissipative WAH model

                                                                                       3. Quantum solitons in magnetic systems

·      Sep 2003  (Weizmann Institute, Israel)                   “The dissipative WAH model”

·      Sep 2003  (Jerusalem)                                             “Quantum coherence and decoherence in

                                                                                          magnetic systems”

·      Oct 2003  (CIAR meeting, Quebec)                        “ The dissipative WAH model”

·      Oct 2003  (ASI conference-nanoscience in BC)     “Theoretical physics in BC, and the nanoscience

                                                                                         revolution”

 

 

 

·      Jan  2004  (PITP meeting, Vancouver)                  “Decoherence in Spin nets and related lattice

                                                                                         models”

·      Mar 2004  (APS March meeting, Montreal)          “The Coherence Window in Quantum

                                                                                         Nanomagnets”

·      Mar 2004  (CIAR meeting, Mt Tremblant)            “2 calculations of decoherence”

·      Mar 2004  (PITP meeting, Vancouver)                  “2 calculations of decoherence”

·      May 2004  (Bristol University, UK)                      “2 calculations of decoherence”

·      May 2004  (University College London, UK)        “The dissipative WAH model”

·      May 2004  (All Souls College, Oxford, UK)          “The Nature of the effective Hamiltonian”

·      Jun  2004   (CAP meeting, Winnipeg)                    “Mechanisms & dynamics of decoherence in

                                                                                          qubit networks”

 

 

 

 

 

 

      (3) Invited Lecture Series                     

·               July 1996:  6 hrs of lectures given at the opening of the new Yukawa Institute (Kyoto, Japan).  Topics covered were “Quantum Environments”, “Quantum Nanomagnets”, and “Singular Interactions”.

·               April 1997:  Series of 3 lectures given at the “Institute for Nuclear Theory”  (Univ. of Washington, Seattle), on “Quantum Environments”.

·               Jan-Feb 1998: Series of 18 lectures on “cohèrence et Fortes correlations” (Univ. Grenoble, France)

·               Oct. 1998:    Series of 3 lectures at Oxford Univ., England (Magdelen College), on “Spin Dynamics in Quantum Magnets”

·               May 2001: Course on “Quantum Magnetism” for the Dutch school in Theoretical Physics  [6 lectures]

·               Sep 2003:  Lecture series for the 80th anniversary of discovery of wave-particle duality (Fondation Louis de Broglie, Peyresq, France    [3 lectures]