Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session F10: Physics of Low Dimensional Systems
8:00 AM–10:24 AM,
Tuesday, March 5, 2024
Room: M100A
Sponsoring
Unit:
DCMP
Chair: Yingying Wu, university of florida
Abstract: F10.00002 : A Quantum Monte Carlo Study of the Random Field Ising Model in a Transverse Field*
8:12 AM–8:24 AM
Presenter:
Yuxin Sun
(Purdue University)
Authors:
Yuxin Sun
(Purdue University)
Erica W Carlson
(Dept of Physics, Purdue University)
There have been numerous studies about the random field Ising model at zero temperature since the criticality of the random field Ising model is controlled by a zero temperature random field fixed point. In contrast, the interplay between thermal fluctuations, quantum fluctuations and quenched randomness is not well understood.
We study the random field Ising model in a transverse field, using the continuous-time quantum Monte Carlo method with a Wolff cluster update. Our calculations show the interplay between thermal fluctuations, quantum fluctuations and quenched randomness, and pave the way toward understanding random field effects in quantum systems.
*Y.S. and E.W.C. acknowledge support from DOE DE-SC0022277.E.W.C. acknowledges support from NSF Grant No. DMR-2006192.
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