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Title:

Probing finite-temperature observables in quantum simulators of spin systems with short-time dynamics

Document type:
Zeitschriftenaufsatz
Author(s):
Schuckert, Alexander; Bohrdt, Annabelle; Crane, Eleanor; Knap, Michael
Abstract:
Preparing finite-temperature states in quantum simulators of spin systems, such as trapped ions or Rydberg atoms in optical tweezers, is challenging due to their almost perfect isolation from the environment. Here, we show how finite-temperature observables can be obtained with an algorithm motivated from the Jarzynski equality and equivalent to the one in Lu et al., PRX Quantum 2, 020321 (2021). It consists of classical importance sampling of initial states and a measurement of the Loschmidt ec...     »
Journal title:
Physical Review B 2023-04
Year:
2023
Journal volume:
107
Journal issue:
14
Fulltext / DOI:
doi:10.1103/physrevb.107.l140410
Publisher:
American Physical Society (APS)
E-ISSN:
2469-99502469-9969
Date of publication:
24.04.2023
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