[HTML][HTML] Dynamical phase transitions in dimerized lattices
NA Khan, X Wei, S Cheng, M Jan, G Xianlong - Physics Letters A, 2023 - Elsevier
Nonequilibrium evolution of the quantum states extend the notion of quantum phase
transition to a dynamical scenario, corresponding to the singular behavior of Loschmidt echo …
transition to a dynamical scenario, corresponding to the singular behavior of Loschmidt echo …
From Bloch oscillations to a steady-state current in strongly biased mesoscopic devices
It has long been known that quantum particles moving in a periodic lattice and subject to a
constant force field undergo an oscillatory motion that is referred to as Bloch oscillations …
constant force field undergo an oscillatory motion that is referred to as Bloch oscillations …
Linear-scale simulations of quench dynamics
The accurate description and robust computational modeling of the nonequilibrium
properties of quantum systems remain a challenge in condensed matter physics. In this …
properties of quantum systems remain a challenge in condensed matter physics. In this …
Spectral function distributions in the correlated Anderson model
NA Khan - Chinese Journal of Physics, 2023 - Elsevier
We report numerical calculations of the probability distribution of a single-particle spectral
function of a non-interacting one-dimensional tight-binding chain with power-law correlated …
function of a non-interacting one-dimensional tight-binding chain with power-law correlated …
Energy-dependent dynamical quantum phase transitions in quasicrystals
S Ye, Z Zhou, NA Khan, G Xianlong - Physical Review A, 2024 - APS
Recently the role of the mobility edge in localization transitions has been extensively studied
for one-dimensional tight-binding quasiperiodic models. In this work we study the mobility …
for one-dimensional tight-binding quasiperiodic models. In this work we study the mobility …
High-resolution real-space evaluation of the self-energy operator of disordered lattices: Gade singularity, spin–orbit effects and p-wave superconductivity
Disorder is a key factor influencing the behavior of condensed states of matter, however the
true extent of its impact is generally difficult to determine due to the prominent roles played …
true extent of its impact is generally difficult to determine due to the prominent roles played …
Anomalous correlation-induced dynamical phase transitions
The nonanalyticity of the Loschmidt echo at critical times in quantum quenched systems is
termed as the dynamical quantum phase transition, extending the notion of quantum …
termed as the dynamical quantum phase transition, extending the notion of quantum …
Single parameter scaling in the correlated Anderson model
NA Khan, S Muhammad, M Sajid - Physica E: Low-dimensional Systems …, 2022 - Elsevier
We numerically investigate the single parameter scaling (SPS) hypothesis in a non-
interacting one-dimensional correlated Anderson model. In particular, we examine the role …
interacting one-dimensional correlated Anderson model. In particular, we examine the role …
On the Autocorrelation Function of 1/f Noises
P Carpena, AV Coronado - Mathematics, 2022 - mdpi.com
The outputs of many real-world complex dynamical systems are time series characterized by
power-law correlations and fractal properties. The first proposed model for such time series …
power-law correlations and fractal properties. The first proposed model for such time series …
Topological pumping in an inhomogeneous Aubry-André model
Abstract The Aubry-André model is a fundamental theoretical model that exhibits interesting
topological features. In this paper, we examine topologically protected boundary states in …
topological features. In this paper, we examine topologically protected boundary states in …