Strong disorder Wegner flow and 1d localization transitions

Speaker: 
Gil Refael, Taylor W. Lawrence Professor of Theoretical Physics; Executive Officer for Physics, California Institute of Technology
Event Date and Time: 
Thu, 2018-03-01 14:00 - 15:00
Location: 
AMPEL #311
Local Contact: 
Marcel Franz

Localization is one of the most staggering effects of quantum mechanics.The discovery of many-body localization makes the phenomenon even more broad, and suggests that the delocalization transition might give rise to a new paradigm of quantum dynamical phase transitions. In my talk I will explore the use of Wegner flow methods for analyzing the the delocalization transitions in disordered chains with power-law long-range hopping, as well as in the random field Heisenberg model. If time remains, I will also discuss the possible application of many-body localization in thermodynamic Otto engines.

 

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