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 K29: Strongly Correlated Systems, Including Quantum Fluids and Solids VII
3:00 PM–6:00 PM,
Tuesday, March 7, 2023
Room: Room 221
Sponsoring
Unit:
DCMP
Chair: Maria Tikhanovskaya, Harvard University
Abstract: K29.00010 : Stability of Highly Entangled Metallic States
4:48 PM–5:00 PM
Presenter:
Inho Song
(Korea Advanced Institute of Science & Technology (KAIST))
Authors:
Inho Song
(Korea Advanced Institute of Science & Technology (KAIST))
Minsoo Park
(Korea Advanced Institute of Science & Technology)
Hanbit Oh
(Korea Adv Inst of Sci & Tech)
Eun-Gook Moon
(Korea Adv Inst of Sci & Tech)
under thermal and quantum fluctuations. First, it is explicitly shown that the highly entangled
states in layered states are stable, while they become unstable in strict two-dimensional systems.
Constructing the minimal model with deconfined fermions coupled to topological orders of the toric
code, spectral weights of physical fermions are perturbatively calculated. Characteristic evolutions
of the spectral gap under the fluctuations are demonstrated. Applying our results to experiments,
we provide a plausible scenario of thermal phase transitions without symmetry breaking, which may
be applied to the recent experiments in Sr2VO3FeAs.
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