Quantum algorithms for quantum dynamics

A Miessen, PJ Ollitrault, F Tacchino… - Nature Computational …, 2023 - nature.com
Among the many computational challenges faced across different disciplines, quantum-
mechanical systems pose some of the hardest ones and offer a natural playground for the …

Nonequilibrium boundary-driven quantum systems: Models, methods, and properties

GT Landi, D Poletti, G Schaller - Reviews of Modern Physics, 2022 - APS
Recent years have seen tremendous progress in the theoretical understanding of quantum
systems driven dissipatively by coupling to different baths at their edges. This was possible …

Quantum exceptional points of non-Hermitian Hamiltonians and Liouvillians: The effects of quantum jumps

F Minganti, A Miranowicz, RW Chhajlany, F Nori - Physical Review A, 2019 - APS
Exceptional points (EPs) correspond to degeneracies of open systems. These are attracting
much interest in optics, optoelectronics, plasmonics, and condensed matter physics. In the …

Neural-network approach to dissipative quantum many-body dynamics

MJ Hartmann, G Carleo - Physical review letters, 2019 - APS
In experimentally realistic situations, quantum systems are never perfectly isolated and the
coupling to their environment needs to be taken into account. Often, the effect of the …

Spectral theory of Liouvillians for dissipative phase transitions

F Minganti, A Biella, N Bartolo, C Ciuti - Physical Review A, 2018 - APS
A state of an open quantum system is described by a density matrix, whose dynamics is
governed by a Liouvillian superoperator. Within a general framework, we explore …

Variational quantum Monte Carlo method with a neural-network ansatz for open quantum systems

A Nagy, V Savona - Physical review letters, 2019 - APS
The possibility to simulate the properties of many-body open quantum systems with a large
number of degrees of freedom (dof) is the premise to the solution of several outstanding …

Simulation methods for open quantum many-body systems

H Weimer, A Kshetrimayum, R Orús - Reviews of Modern Physics, 2021 - APS
Coupling a quantum many-body system to an external environment dramatically changes its
dynamics and offers novel possibilities not found in closed systems. Of special interest are …

Constructing neural stationary states for open quantum many-body systems

N Yoshioka, R Hamazaki - Physical Review B, 2019 - APS
We propose a scheme based on the neural-network quantum states to simulate the
stationary states of open quantum many-body systems. Using the high expressive power of …

Geometry of quantum phase transitions

A Carollo, D Valenti, B Spagnolo - Physics Reports, 2020 - Elsevier
In this article we provide a review of geometrical methods employed in the analysis of
quantum phase transitions and non-equilibrium dissipative phase transitions. After a …

Variational neural-network ansatz for steady states in open quantum systems

F Vicentini, A Biella, N Regnault, C Ciuti - Physical review letters, 2019 - APS
We present a general variational approach to determine the steady state of open quantum
lattice systems via a neural-network approach. The steady-state density matrix of the lattice …