Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session W50: Quantum Simulation of Many-Body Physics
3:00 PM–6:00 PM,
Thursday, March 7, 2024
Room: 200H
Sponsoring
Unit:
DQI
Chair: Tianrui Xu, JILA/CU Boulder
Abstract: W50.00012 : Gauged cooling of topological excitations and emergent fermions on quantum simulators
5:12 PM–5:24 PM
Presenter:
Erez Berg
(Weizmann Institute of Science)
Authors:
Erez Berg
(Weizmann Institute of Science)
Mark S Rudner
(University of Washington)
Gilad Kishony
(Weizmann Institute of Science)
Achim Rosch
(Univ Cologne)
``gauged cooling'' protocol in which the Ising spins are coupled to a $Z_2$ gauge field that simultaneously acts as a reservoir for removing excitations.
We show that our protocol can prepare the ground states of the ferromagnetic and paramagnetic phases equally efficiently.
The gauged cooling protocol naturally extends to (interacting) fermionic systems, where it is equivalent to cooling by coupling to a fermionic bath via single-fermion hopping.
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