Duality between open systems and closed bilayer systems: Thermofield double states as quantum many-body scars
We establish a duality between open many-body systems governed by the Gorini-
Kossakowski-Sudarshan-Lindblad (GKSL) equation and satisfying the detailed balance …
Kossakowski-Sudarshan-Lindblad (GKSL) equation and satisfying the detailed balance …
Pseudomode expansion of many-body correlation functions
We present an expansion of a many-body correlation function in a sum of pseudomodes-
exponents with complex frequencies that encompass both decay and oscillations. We …
exponents with complex frequencies that encompass both decay and oscillations. We …
Simulating open quantum systems with giant atoms
Open quantum many-body systems are of both fundamental and applicational interest.
However, it remains an open challenge to simulate and solve such systems, both with state …
However, it remains an open challenge to simulate and solve such systems, both with state …
Many-body Liouvillian dynamics with a non-Hermitian tensor-network kernel polynomial algorithm
Understanding the dynamics of open quantum many-body systems is a major problem in
quantum matter. Specifically, efficiently solving the spectrum of the Liouvillian superoperator …
quantum matter. Specifically, efficiently solving the spectrum of the Liouvillian superoperator …
Dephasing-assisted transport in a tight-binding chain with a linear potential
An environment interacting with a quantum system can enhance transport through the
suppression of quantum effects responsible for localization. In this paper, we study the …
suppression of quantum effects responsible for localization. In this paper, we study the …
Polynomially restricted operator growth in dynamically integrable models
We provide a framework to determine the upper bound to the complexity of a computing a
given observable with respect to a Hamiltonian. By considering the Heisenberg evolution of …
given observable with respect to a Hamiltonian. By considering the Heisenberg evolution of …
Exact density profile in a tight-binding chain with dephasing noise
We theoretically investigate the many-body dynamics of a tight-binding chain with
dephasing noise on the infinite interval. We obtain the exact solution of an average particle …
dephasing noise on the infinite interval. We obtain the exact solution of an average particle …