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CAMP Seminar: Many-body localization: quantum circuits & tensor networks

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David Pekker, University of Pittsburgh
When
24 October 2017 from 3:30 PM to 4:30 PM
Where
339 Davey Laboratory
Contact Name
Mikael Rechtsman
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The key assumption underlying thermodynamics is that generic, many-body quantum systems tend to thermalize.  Strong disorder can, however, breakdown this assumption resulting in the formation of a many-body localized (MBL) phase. It has been argued that the MBL phase is driven by the appearance of an extensive number of conserved quantities that result in the loss of ergodicity/thermalization. I will describe how these local integrals of motion can be explicitly constructed using Wilson-Wegner formulation of the renormalization group. I will then show how this construction naturally connects to quantum-circuit/tensor-network description of the MBL phase and its quantum information content.

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