Colloquium: Multiconfigurational time-dependent Hartree approaches for indistinguishable particles

AUJ Lode, C Lévêque, LB Madsen, AI Streltsov… - Reviews of Modern …, 2020 - APS
In this Colloquium, the wave-function-based multiconfigurational time-dependent Hartree
approaches to the dynamics of indistinguishable particles (MCTDH-F for fermions and …

Lyapunov exponent, mobility edges, and critical region in the generalized Aubry-André model with an unbounded quasiperiodic potential

YC Zhang, YY Zhang - Physical Review B, 2022 - APS
In this work, we investigate the Anderson localization problems of the generalized Aubry-
André model (Ganeshan-Pixley-Das Sarma's model) with an unbounded quasiperiodic …

Exact mobility edges, -symmetry breaking, and skin effect in one-dimensional non-Hermitian quasicrystals

Y Liu, Y Wang, XJ Liu, Q Zhou, S Chen - Physical Review B, 2021 - APS
We propose a general analytic method to study the localization transition in one-
dimensional quasicrystals with parity-time (PT) symmetry, described by complex …

Localization transition, spectrum structure, and winding numbers for one-dimensional non-Hermitian quasicrystals

Y Liu, Q Zhou, S Chen - Physical Review B, 2021 - APS
By analyzing the Lyapunov exponent (LE), we develop a rigorous, fundamental scheme for
the study of general non-Hermitian quasicrystals with both a complex phase factor and …

Observation of many-body localization in a one-dimensional system with a single-particle mobility edge

T Kohlert, S Scherg, X Li, HP Lüschen, S Das Sarma… - Physical review …, 2019 - APS
We experimentally study many-body localization (MBL) with ultracold atoms in a weak one-
dimensional quasiperiodic potential, which in the noninteracting limit exhibits an …

Generalized Aubry-André self-duality and mobility edges in non-Hermitian quasiperiodic lattices

T Liu, H Guo, Y Pu, S Longhi - Physical Review B, 2020 - APS
We demonstrate the existence of generalized Aubry-André self-duality in a class of non-
Hermitian quasiperiodic lattices with complex potentials. From the self-duality relations, the …

Non-Hermitian mobility edges in one-dimensional quasicrystals with parity-time symmetry

Y Liu, XP Jiang, J Cao, S Chen - Physical Review B, 2020 - APS
We investigate the localization-delocalization transition in one-dimensional non-Hermitian
quasiperiodic lattices with exponential short-range hopping, which possess parity-time (PT) …

Mobility edges in one-dimensional bichromatic incommensurate potentials

X Li, X Li, S Das Sarma - Physical Review B, 2017 - APS
We theoretically study a one-dimensional (1D) mutually incommensurate bichromatic lattice
system, which has been implemented in ultracold atoms to study quantum localization. It has …

Many‐body localization in incommensurate models with a mobility edge

DL Deng, S Ganeshan, X Li, R Modak… - Annalen der …, 2017 - Wiley Online Library
We review the physics of many‐body localization in models with incommensurate potentials.
In particular, we consider one‐dimensional quasiperiodic models with single‐particle …

Mobility edge and intermediate phase in one-dimensional incommensurate lattice potentials

X Li, S Das Sarma - Physical Review B, 2020 - APS
We study theoretically the localization properties of two distinct one-dimensional
quasiperiodic lattice models with a single-particle mobility edge (SPME) separating …