Interaction-induced Liouvillian skin effect in a fermionic chain with a two-body loss
Despite recent intensive research on topological aspects of open quantum systems, effects
of strong interactions have not been sufficiently explored. In this paper, we demonstrate that …
of strong interactions have not been sufficiently explored. In this paper, we demonstrate that …
Liouvillian skin effect in a one-dimensional open many-body quantum system with generalized boundary conditions
The non-Hermitian skin effect, in which eigenstates of non-Hermitian Hamiltonians are
localized at one boundary in the open boundary condition, has attracted great interest …
localized at one boundary in the open boundary condition, has attracted great interest …
Exploring the impact of fluctuation-induced criticality on non-Hermitian skin effect and quantum sensors
C Ehrhardt, J Larson - Physical Review Research, 2024 - APS
In this paper we present a concrete example comparing the results predicted by non-
Hermitian quantum mechanics with those of a more comprehensive description that …
Hermitian quantum mechanics with those of a more comprehensive description that …
Boundary-sensitive Lindbladians and relaxation dynamics
X Feng, S Chen - Physical Review B, 2024 - APS
It is well known that non-Hermitian systems can be extremely sensitive to boundary
conditions owing to non-Hermitian skin effect (NHSE). Analogously, we investigate two …
conditions owing to non-Hermitian skin effect (NHSE). Analogously, we investigate two …
Asymmetries of thermal processes in open quantum systems
An intriguing phenomenon in non-equilibrium quantum thermodynamics is the asymmetry of
thermal processes. Relaxation to thermal equilibrium is the most important dissipative …
thermal processes. Relaxation to thermal equilibrium is the most important dissipative …
Delocalization of skin steady states
X Feng, S Chen - Physical Review B, 2024 - APS
The skin effect, characterized by the tendency of particles to accumulate at the boundaries,
has been extensively studied in non-Hermitian systems. In this paper, we propose an …
has been extensively studied in non-Hermitian systems. In this paper, we propose an …
Non-unitary quantum many-body dynamics using the Faber polynomial method
Efficient numerical methods are still lacking to probe the unconventional dynamics of
quantum many-body systems under non-unitary evolution. In this work, we use Faber …
quantum many-body systems under non-unitary evolution. In this work, we use Faber …
Interplay of finite-and infinite-size stability in quadratic bosonic Lindbladians
We provide a framework for understanding dynamical metastability in open many-body
systems of free bosons, whereby the dynamical stability properties of the system in the …
systems of free bosons, whereby the dynamical stability properties of the system in the …
Manipulating the relaxation time of boundary-dissipative systems through bond dissipation
Y Peng, C Yang, Y Wang - Physical Review B, 2024 - APS
Relaxation time plays a crucial role in describing the relaxation processes of quantum
systems. We study the effect of a type of bond dissipation on the relaxation time of boundary …
systems. We study the effect of a type of bond dissipation on the relaxation time of boundary …
Family of exact and inexact quantum speed limits for completely positive and trace-preserving dynamics
Traditional quantum speed limits formulated in density matrix space perform poorly for
dynamics beyond unitary, as they are generally unattainable and fail to characterize the …
dynamics beyond unitary, as they are generally unattainable and fail to characterize the …