Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session B33: Quantum Quenches and Integrability
11:30 AM–1:54 PM,
Monday, March 6, 2023
Room: Room 225
Sponsoring
Unit:
DCMP
Chair: Ke Wang, University of Chicago
Abstract: B33.00001 : Detecting and characterising dynamical quantum phase transitions through higher moments*
11:30 AM–11:42 AM
Presenter:
Ian McCulloch
(University of Queensland)
Author:
Ian McCulloch
(University of Queensland)
state at t=0 with a time-evolved state at time t with respect to a global quench. I will present an algorithm for calculating the moments of the return rate for translationally
invariant infinite MPS, which is expressed in terms of the spectrum of the mixed transfer matrix. This leads naturally to analogues of Fisher and Lee-Yang zeros for the return rate
and a topological interpretation/classification of DQPT's.
*Funded by ARC Discovery Project Grants No. DP190101515 and DP200103760.
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