Das, A and Borla, U and Moroz, S (2023) Fractionalized holes in one-dimensional Z2 gauge theory coupled to fermion matter: Deconfined dynamics and emergent integrability. In: Physical Review B, 107 (6).
|
PDF
phy_rev_107-6_2023.pdf - Published Version Download (529kB) | Preview |
Abstract
We investigate the interplay of quantum one-dimensional discrete Z2 gauge fields and fermion matter near full filling in terms of deconfined fractionalized hole excitations that constitute mobile domain walls between vacua that break spontaneously translation symmetry. In the limit of strong string tension, we uncover emergent integrable correlated hopping dynamics of holes which is complementary to the constrained XXZ description in terms of bosonic dimers. We analyze numerically quantum dynamics of spreading of an isolated hole together with the associated time evolution of entanglement and provide analytical understanding of its salient features. We also study the model enriched with a short-range interaction and clarify the nature of the resulting ground state at low filling of holes and identify deconfined hole excitations near the hole filling νh=1/3. © 2023 authors. Published by the American Physical Society.
| Item Type: | Journal Article |
|---|---|
| Publication: | Physical Review B |
| Publisher: | American Physical Society |
| Additional Information: | The copyright for this article belongs to the Authors. |
| Keywords: | Dynamics; Filling; Ground state; Quantum entanglement, Correlated hopping; Gauge fields; Gauge theory; Hopping dynamics; Integrability; Mobile domains; One-dimensional; Quantum dynamics; String tension; Translation symmetry, Domain walls |
| Department/Centre: | Division of Biological Sciences > Centre for Neuroscience |
| Date Deposited: | 30 Mar 2023 06:06 |
| Last Modified: | 30 Mar 2023 06:06 |
| URI: | https://eprints.iisc.ac.in/id/eprint/81169 |
Actions (login required)
 |
View Item |
