Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session S48: Copper Oxides: Superconductivity and Charge Order
11:15 AM–2:03 PM,
Thursday, March 5, 2020
Room: Mile High Ballroom 1A
Sponsoring
Unit:
DCMP
Chair: Carmen Almasan, Kent State Univ - Kent
Abstract: S48.00003 : Charge Density Wave and Superconductivity in the Disordered Holstein Model*
Presenter:
Bo Xiao
(University of California, Davis)
Authors:
Bo Xiao
(University of California, Davis)
Natanael C. Costa
(International School for Advanced Studies (SISSA))
Ehsan Khatami
(San Jose State University)
George Batrouni
(Université Côte d'Azur)
Richard Theodore Scalettar
(University of California, Davis)
been a central theme of condensed matter physics over the last several
decades, with the possibility that interactions might cause
delocalization of an Anderson insulator into a metallic state, and the
disrupting effects of randomness on magnetic order and the Mott phase
both being central themes of investigation. Here we extend this
physics to explore electron-phonon interactions and
show, via exact quantum Monte Carlo simulations, that the suppression
of the charge density wave correlations in the half-filled Holstein
model by disorder can stabilize a superconducting phase.
We discuss the relationship of our work to studies of the
disorder quenching of the charge ordered phase in ZrTe3 through Se doping, and the
interplay with the observed superconductivity in that material,
reproducing the qualitative features of the phase diagram in the
temperature-disorder strength plane.
*The work of B.X. and R.T.S. was supported by the Department of Energy (DOE)
under grant No.DE-SC0014671. N.C.C. was supported by the
Brazilian funding agencies CAPES and CNPq. E.K. acknowledges support
from the National Science Foundation (NSF) under Grant No.MR-1609560.
GGB was supported by the University of the Côte d'Azur IDEX
Jedi and Beijing CSRC.
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