Unravelling quantum dynamics using flow equations
The study of many-body quantum dynamics in strongly correlated systems is extremely
challenging. To date, few numerical methods exist that are capable of simulating the non …
challenging. To date, few numerical methods exist that are capable of simulating the non …
Many-body open quantum systems
These Lecture Notes discuss the recent theoretical advances in the understanding of open
quantum many-body physics in platforms where both dissipative and coherent processes …
quantum many-body physics in platforms where both dissipative and coherent processes …
Noninteracting fermionic systems with localized losses: Exact results in the hydrodynamic limit
We investigate the interplay between unitary and nonunitary dynamics after a quantum
quench in a noninteracting fermionic chain. In particular, we consider the effect of localized …
quench in a noninteracting fermionic chain. In particular, we consider the effect of localized …
Unbounded entanglement production via a dissipative impurity
V Alba - SciPost Physics, 2022 - scipost.org
We investigate the entanglement dynamics in a free-fermion chain initially prepared in a
Fermi sea and subjected to localized losses (dissipative impurity). We derive a formula …
Fermi sea and subjected to localized losses (dissipative impurity). We derive a formula …
Local integrals of motion in quasiperiodic many-body localized systems
Local integrals of motion play a central role in the understanding of many-body localization
in many-body quantum systems in one dimension subject to a random external potential, but …
in many-body quantum systems in one dimension subject to a random external potential, but …
Orthogonality catastrophe beyond bosonization from post-selection
M Stefanini, J Marino - Physical Review Research, 2024 - APS
We show that the dynamics induced by post-selected measurements can serve as a
controlled route to access physical processes beyond the boundaries of Luttinger liquid …
controlled route to access physical processes beyond the boundaries of Luttinger liquid …
Quasi-many-body localization of interacting fermions with long-range couplings
A number of experimental platforms for quantum simulations of disordered quantum matter,
from dipolar systems to trapped ions, involve degrees of freedom which are coupled by …
from dipolar systems to trapped ions, involve degrees of freedom which are coupled by …
Series expansions in closed and open quantum many-body systems with multiple quasiparticle types
L Lenke, A Schellenberger, KP Schmidt - Physical Review A, 2023 - APS
The established approach of perturbative continuous unitary transformations (pCUTs)
constructs effective quantum many-body Hamiltonians as perturbative series that conserve …
constructs effective quantum many-body Hamiltonians as perturbative series that conserve …
Nonlocal correlations in noisy multiqubit systems simulated using matrix product operators
We introduce an open-source solver for the Lindblad master equation, based on matrix
product states and matrix product operators. Using this solver we study the dynamics of tens …
product states and matrix product operators. Using this solver we study the dynamics of tens …
Disorder-induced spin-charge separation in the one-dimensional Hubbard model
SJ Thomson - Physical Review B, 2023 - APS
Many-body localization is believed to be generically unstable in quantum systems with
continuous non-Abelian symmetries, even in the presence of strong disorder. Breaking …
continuous non-Abelian symmetries, even in the presence of strong disorder. Breaking …