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Condensed Matter Physics

[ EVENTS ] [ PEOPLE ]

Condensed matter physics is concerned with understanding and exploiting the properties of solids and liquids and the large area that this covers makes it the largest field of contemporary physics. At the fundamental level, researchers in this field are interested in uncovering the simple physical principles that underlay the often complex behaviors of condensed matter systems. However, the importance of many of these materials to present and future technologies also drives a large amount of applied research in the field. Artist= unknown. This photograph was taken from the AMPEL website http://www.ampel.ubc.ca

At UBC, condensed matter physics spans this wide range of theoretical and experimental research on materials of current interest, with considerable effort also devoted to applications and the development of new materials and processes. Topics of current interest include the growth of semiconductor films using molecular beam epitaxy, the development of optical materials and devices by engineering them at the nanometer scale, Crystal growth and high temperature super-conductors, and utilizing unstable particles as probes for the magnetic fields in novel materials.

this diagram was borrowed from the TRIUMF ISAC website: http://www.triumf.ca/isac/isac_home.html
TRIUMF
In order to successfully pursue research in these areas, the department has extensive facilities available for sample preparation, mainly in the Advanced Materials and Process Engineering Laboratory (AMPEL). Also on campus is TRIUMF, which houses one of the two best facilities in the world for the use of µSR, which uses decaying muons to probe the inner workings of condensed matter systems. The ISAC facility at TRIUMF will soon bring other new experimental capabilities such as ß-NMR, which proves to be 10 orders of magnitude more sensitive than conventional NMR. There are also opportunities for access to major facilities elsewhere such as the synchrotron at Brookhaven .
this scan was borrowed from the Photonics and Nanostructures Laboratory.

100 nm thick Al0.15Ga0.85As air-bridge with 460 nm pitch lattice of through-holes.

The Photonics and Nanostructures Laboratory is involved in the growth of optical devices on 5nm-500nm length scales. The hope is to be able to control the photonic and electronic eigenstates of the structures; by utilizing etching, electron beam lithography and deposition techniques to construct 3 dimensional semiconductor microstructures. The successful development of this technology will serve as the foundation of the next and the next-to-next generation of photonics and electronics.

The Molecular Beam Epitaxy Lab is involved in semiconductor film growth, modelling and electronic and optical properties. Specifically, the use of Nitrides and Bismides and the fabrication of nanostructures utilizing deposition techniques. This group pioneered the use of diffuse light scattering to dynamically monitor surface morphology, and is currently researching the modeling of surface morphology and electronic structure of deposited films.

This photo of the top of the molecular beam epitaxy machine was borrowed from the Tiedje Group: http://www.physics.ubc.ca/~mbelab
The molecular beam epitaxy machine grows crystals by depositing one layer of atoms at at time.
The superconductivity group is one of the world leaders in high quality crystal growth, and the production of high temperature superconductors. At their disposal are several world class laboratories located within AMPEL, including a solid state chemistry lab, used to grow high quality crystals; and a film growth lab, which is used to develop materials for the electronic applications of superconductors. Crystal growth research aside; this groups research interests center on the growth and analysis of high temperature superconductors; including industrial links to the Quantum-Computing firm D-Wave Systems..

this Photo was borrowed from the Superconductivity 
Group's website: http://www.physics.ubc.ca/~supercon/intro.html
A magnet floats on its magnetic field atop a Superconductor.
Scanning Tunnel Microscopy (STM) is a world famous technique renown for its capability of imaging the electron clouds surrounding the atoms in real space, but it is capable of many more feats such as: Move and position atoms and molecules individually; Perform spectroscopy including spin polarization with sub-mV accuracy both in real and momentum space; Can film with time resolution ranging from hours down to picoseconds; Probe a large variety of conductive samples. The inherent versatility of STM has made it one of the most central tools for modern condensed matter physics.

Letters UBC made from CO molecules on a Cu
surface.
The smallest UBC ever written. Letters are a mere 2 nm wide and consist of CO molecules on a Cu surface, individually positioned and imaged by a low-temperature STM.
Image provided by Dr. A. Damascell.
Artistic impression of a quantum spin liquid.
The Quantum Materials Laboratory is located in the AMPEL Building and is comprised of the two research groups lead by G.A. Sawatzky and A. Damascelli. The research program involves the fabrication as well as the theoretical and spectroscopic study of novel complex systems and nanostructured materials. The goal is to develop new approaches and understanding in the quantum theory of solids, and define new pathways for the fabrication of materials and structures with innovative physical properties.
This image ws created by dr. Berciu, and can be found at http://www.physics.ubc.ca/~berciu/RESEARCH/index.html
The YBaCuO parent compound

UBC physics also boasts a number of world class condensed matter theorists; whose research interests include high temperature Superconductors, conformal field theory, photonic band-gap materials, diluted magnetic superconductors, strong correlated electrons, and various applications of statistical mechanics.

 

Alphabetical List of Faculty Engaged in Condensed Matter Research

Ian AffleckProfessor,
Condensed Matter Theory
Group URL: (http://www.physics.ubc.ca/cmt/)
Topics include: Superconductivity, Quantum Magnetism, Quantum Impurities, Field Theory Methods in Condensed Matter Physics
Mona I. BerciuAssociate Professor,
Condensed Matter Theory
Group URL: (http://www.physics.ubc.ca/cmt/)
Douglas BonnProfessor and Head,
Condensed Matter
Research Field: Superconductivity
Topics include: high temperature superconductors, microwave measurements, crystal growth
Jesse H. BrewerProfessor Emeritus,
Condensed Matter/TRIUMF
Group URL: (http://musr.ca)
Research Field: µSR
Topics include: Muons in Superconductors, Muonium in Semiconductors, Magnetic Polarons, Muon Physics Generally
Sarah BurkeAssistant Professor,
Condensed Matter
Topics include: Scanning probe microscopy, organic materials, nanoscale materials, surface physics, photovoltaics
Andrea DamascelliAssociate Professor,
Condensed Matter
Group URL: (http://www.physics.ubc.ca/~quantmat/ARPES.html)
Research Field: Electronic Structure of Novel Complex Systems and Nanostructured Materials
Topics include: Strongly correlated electron systems, low-dimensional systems and nanostructures, transition-metal oxides, metal-insulator transition, magnetism, orbital ordering, high-Tc superconductivity.
John E. EldridgeProfessor,
Condensed Matter
Joshua FolkAssociate Professor,
Experimental Condensed Matter Physics
Group URL: (http://www.physics.ubc.ca/qdev)
Research Field: Quantum Physics in Nanostructures
Topics include: spin in semiconductor nanostructures, single molecule electronics, quantum decoherence
Marcel FranzProfessor, Graduate Chair,
Condensed Matter Theory
Group URL: (http://www.physics.ubc.ca/cmt/)
Robert F. KieflProfessor,
Condensed Matter
Andrzej KotlickiTerm Faculty Member,
Applied Optics/Condensed Matter/Outreach
Kirk W. MadisonAssociate Professor,
Condensed Matter + Atomic, Molecular and Optical Physics (AMO)
Group URL: (http://www.physics.ubc.ca/~qdg/)
Research Field: Quantum degenerate gases
Topics include: laser cooling and trapping, strongly correlated quantum systems
Georg RiegerTerm Faculty Member,
Atomic & Molecular & Optical Physics, Condensed Matter
Group URL: (http://www.phas.ubc.ca/~nanolab)
Research Field: Optical nanostructures, photonic crystals
Joerg RottlerAssociate Professor,
Computational Physics
Research Field: Soft Condensed Matter
Topics include: Nonequilibrium dynamics of glassy systems, polymer physics, deformation and flow of amorphous materials, nucleation and growth phenomena, electrostatic effects in complex fluids
George A. SawatzkyProfessor,
Condensed Matter Theory
Group URL: (http://www.physics.ubc.ca/cmt/)
Philip C.E. StampProfessor,
Condensed Matter Theory
Group URL: (http://www.physics.ubc.ca/cmt/)
Jeff F. YoungProfessor,
Condensed Matter
Group URL: (http://www.physics.ubc.ca/~nanolab/)
Research Field: Photonics, Condensed Matter Physics
Topics include: Photonic Crystals, Nonlinear Optics, Spintronics
Fei ZhouAssociate Professor,
Theoretical Atomic Physics, Theoretical Condensed Matter Physics
Group URL: (http://www.physics.ubc.ca/cmt/)
Research Field: Quantum magnetism, few- and many-body physics of ultra cold atoms
Topics include: Correlated Ultra-Cold Quantum Matter, Fractionalized Topological Excitations, Quantum-Fluctuation Driven Phenomena, Cold Gases near Resonances, Resonance Scattering in Optical lattices