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Topological Quantum Computing Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations Quantum Simulation

Mobility edge of Stark many-body localization

arXiv
Authors: Li Zhang, Yongguan Ke, Wenjie Liu, Chaohong Lee

Year

2020

Paper ID

20622

Status

Preprint

Abstract Read

~2 min

Abstract Words

92

Citations

N/A

Abstract

We investigate many-body localization of interacting spinless fermions in a one-dimensional disordered and tilted lattice. The fermions undergo energy-dependent transitions from ergodic to Stark many-body localization driven by the tilted potential, which are manifested by the appearance of mobility edges between delocalized states and Stark many-body localized states even when the disorder is weak. We can concretely diagnose these transitions rather than crossovers by finite-size scaling of energy-level statistics. Moreover, in the Stark many-body localization, the entanglement entropy obeys the area law scaling, in analogy to that in the conventional many-body localization.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We investigate many-body localization of interacting spinless fermions in a one-dimensional disordered and tilted lattice.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2009.08357 [2] arXiv https://arxiv.org/abs/2009.08357 [3] Publisher https://arxiv.org/abs/2009.08357

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