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Quantum non-Markovianity: characterization, quantification and detection
We present a comprehensive and up-to-date review of the concept of quantum non-
Markovianity, a central theme in the theory of open quantum systems. We introduce the …
Markovianity, a central theme in the theory of open quantum systems. We introduce the …
Extracting quantum work statistics and fluctuation theorems by single-qubit interferometry
We propose an experimental scheme to verify the quantum nonequilibrium fluctuation
relations using current technology. Specifically, we show that the characteristic function of …
relations using current technology. Specifically, we show that the characteristic function of …
In Situ Thermometry of a Cold Fermi Gas via Dephasing Impurities
The precise measurement of low temperatures is a challenging, important, and fundamental
task for quantum science. In particular, in situ thermometry is highly desirable for cold atomic …
task for quantum science. In particular, in situ thermometry is highly desirable for cold atomic …
Orthogonality catastrophe as a consequence of the quantum speed limit
A remarkable feature of quantum many-body systems is the orthogonality catastrophe that
describes their extensively growing sensitivity to local perturbations and plays an important …
describes their extensively growing sensitivity to local perturbations and plays an important …
The role of quantum work statistics in many-body physics
In this contribution, we aim to illustrate how quantum work statistics can be used as a tool in
order to gain insight on the universal features of non-equilibrium many-body systems …
order to gain insight on the universal features of non-equilibrium many-body systems …
Non-Markovianity and system-environment correlations in a microscopic collision model
We show that the use of a recently proposed iterative collision model with interenvironment
swaps displays a signature of strongly non-Markovian dynamics that is highly dependent on …
swaps displays a signature of strongly non-Markovian dynamics that is highly dependent on …
Assessing the nonequilibrium thermodynamics in a quenched quantum many-body system via single projective measurements
We analyze the nature of the statistics of the work done on or by a quantum many-body
system brought out of equilibrium. We show that, for the sudden quench and for an initial …
system brought out of equilibrium. We show that, for the sudden quench and for an initial …
Polaron spectra and edge singularities for correlated flat bands
D Pimenov - Physical Review B, 2024 - APS
Single-and two-particle spectra of a single immobile impurity immersed in a fermionic bath
can be computed exactly and are characterized by divergent power laws (edge …
can be computed exactly and are characterized by divergent power laws (edge …
Orthogonality catastrophe in dissipative quantum many-body systems
We present an analog of the phenomenon of orthogonality catastrophe in quantum many-
body systems subject to a local dissipative impurity. We show that the fidelity F (t), giving a …
body systems subject to a local dissipative impurity. We show that the fidelity F (t), giving a …
Transient orthogonality catastrophe in a time-dependent nonequilibrium environment
We study the response of a highly excited time-dependent quantum many-body state to a
sudden local perturbation, a sort of orthogonality catastrophe problem in a transient …
sudden local perturbation, a sort of orthogonality catastrophe problem in a transient …