Noisy intermediate-scale quantum algorithms

K Bharti, A Cervera-Lierta, TH Kyaw, T Haug… - Reviews of Modern …, 2022 - APS
A universal fault-tolerant quantum computer that can efficiently solve problems such as
integer factorization and unstructured database search requires millions of qubits with low …

Floquet dynamical phase transition and entanglement spectrum

R Jafari, A Akbari - Physical Review A, 2021 - APS
We explore both pure and mixed state Floquet dynamical quantum phase transitions
(FDQFTs) in the one-dimensional p-wave superconductor with a time-driven pairing phase …

Floquet dynamical quantum phase transition in the extended XY model: Nonadiabatic to adiabatic topological transition

S Zamani, R Jafari, A Langari - Physical Review B, 2020 - APS
We investigate both pure and mixed states Floquet dynamical quantum phase transition
(DQPT) in the periodically time-dependent extended XY model. We exactly show that the …

Dissipative Floquet dynamical quantum phase transition

J Naji, M Jafari, R Jafari, A Akbari - Physical Review A, 2022 - APS
Non-Hermitian Hamiltonians provide a simple picture for inspecting dissipative systems with
natural or induced gain and loss. We investigate the Floquet dynamical phase transition in …

Controlling matter phases beyond Markov

B Debecker, J Martin, F Damanet - Physical Review Letters, 2024 - APS
Controlling phase transitions in quantum systems via coupling to reservoirs has been mostly
studied for idealized memory-less environments under the so-called Markov approximation …

Topological classification of dynamical quantum phase transitions in the xy chain

S Porta, F Cavaliere, M Sassetti, N Traverso Ziani - Scientific Reports, 2020 - nature.com
Understanding the properties of far-from-equilibrium quantum systems is becoming a major
challenge of both fundamental and applied physics. For instance, the lack of thermalization …

Topological dynamical quantum phase transition in a quantum skyrmion phase

V Vijayan, L Chotorlishvili, A Ernst, SSP Parkin… - Physical Review B, 2023 - APS
The quantum skyrmionic phase is modeled in a two-dimensional helical spin lattice. This
topological skyrmionic phase retains its nature in a large parameter space before moving to …

Correlation functions of non-Markovian systems out of equilibrium: Analytical expressions beyond single-exponential memory

TJ Doerries, SAM Loos, SHL Klapp - Journal of Statistical …, 2021 - iopscience.iop.org
This paper is concerned with correlation functions of stochastic systems with memory, a
prominent example being a molecule or colloid moving through a complex (eg viscoelastic) …

Quantum spin fluctuations in dynamical quantum phase transitions

CY Wong, H Cheraghi, WC Yu - Physical Review B, 2023 - APS
Quantum phase transitions have long been studied in their relation to quantum fluctuations.
These fluctuations can be quantified as the degree of spin squeezing in spin models, where …

Correlations and dynamical quantum phase transitions in an interacting topological insulator

WC Yu, PD Sacramento, YC Li, HQ Lin - Physical Review B, 2021 - APS
Dynamical quantum phase transitions (DQPTs), which refer to the criticality in time of a
quantum many-body system, have attracted much theoretical and experimental research …