Finite-temperature dynamical quantum phase transition in a non-Hermitian system

D Mondal, T Nag - Physical Review B, 2023 - APS
We investigate the interplay between non-Hermiticity and finite temperature in the context of
a mixed-state dynamical quantum phase transition (MSDQPT). We consider ap-wave …

Engineering Floquet dynamical quantum phase transitions

J Naji, R Jafari, L Zhou, A Langari - Physical Review B, 2022 - APS
Floquet dynamical quantum phase transitions (FDQPTs) are signified by recurrent
nonanalytic behaviors of observables in time. In this work, we introduce a quench-free and …

Lindblad master equation approach to the dissipative quench dynamics of planar superconductors

A Nava, CA Perroni, R Egger, L Lepori, D Giuliano - Physical Review B, 2023 - APS
We employ the Lindblad master equation method to study the nonequilibrium dynamics
following a parametric quench in the Hamiltonian of an open, two-dimensional …

Biorthogonal dynamical quantum phase transitions in non-Hermitian systems

Y **g, JJ Dong, YY Zhang, ZX Hu - Physical Review Letters, 2024 - APS
By utilizing biorthogonal bases, we develop a comprehensive framework for studying
biorthogonal dynamical quantum phase transitions in non-Hermitian systems. With the help …

Dissipation-driven dynamical topological phase transitions in two-dimensional superconductors

A Nava, CA Perroni, R Egger, L Lepori, D Giuliano - Physical Review B, 2024 - APS
We induce and study a topological dynamical phase transition between two planar
superconducting phases. Using the Lindblad equation to account for the interactions of …

Interacting bosons on a Su-Schrieffer-Heeger ladder: Topological phases and Thouless pum**

A Padhan, S Mondal, S Vishveshwara, T Mishra - Physical Review B, 2024 - APS
We study the topological properties of hardcore bosons on a two-leg ladder consisting of two
Su-Schrieffer-Heeger chains that are coupled via hop** and interaction. We chart out the …

Competition of long-range interactions and noise at a ramped quench dynamical quantum phase transition: The case of the long-range pairing Kitaev chain

R Baghran, R Jafari, A Langari - Physical Review B, 2024 - APS
The nonequilibrium dynamics of long-range pairing Kitaev model with noiseless/noisy linear
time dependent chemical potential, is investigated in the framework of dynamical quantum …

Recognizing critical lines via entanglement in non-Hermitian systems

KD Agarwal, TK Konar, LGC Lakkaraju… - arxiv preprint arxiv …, 2023 - arxiv.org
The non-Hermitian model exhibits counter-intuitive phenomena which are not observed in
the Hermitian counterparts. To probe the competition between non-Hermitian and Hermitian …

Persistent anomaly in dynamical quantum phase transition in long-range non-Hermitian p-wave Kitaev chain

D Mondal, T Nag - The European Physical Journal B, 2024 - Springer
Considering a non-Hermitian version of p-wave Kitaev chain in the presence of additional
second nearest neighbour tunnelling, we study dynamical quantum phase transition (DQPT) …

Distribution of Fisher zeros in dynamical quantum phase transitions of two-dimensional topological systems

PD Sacramento, WC Yu - Physical Review B, 2024 - APS
The short time evolution of a topological system after a sudden quench is considered,
calculating the Loschmidt rate and studying in detail the distribution of Fisher zeros. Singular …