Quantum-enhanced measurements without entanglement
Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …
sensitivity of measurements of certain physical parameters and have great potential for both …
Universality in driven open quantum matter
Universality is a powerful concept, which enables making qualitative and quantitative
predictions in systems with extensively many degrees of freedom. It finds realizations in …
predictions in systems with extensively many degrees of freedom. It finds realizations in …
Entanglement measures in a nonequilibrium steady state: Exact results in one dimension
S Fraenkel, M Goldstein - SciPost Physics, 2021 - scipost.org
Entanglement plays a prominent role in the study of condensed matter many-body systems:
Entanglement measures not only quantify the possible use of these systems in quantum …
Entanglement measures not only quantify the possible use of these systems in quantum …
Role of coherence in the nonequilibrium thermodynamics of quantum systems
Exploiting the relative entropy of coherence, we isolate the coherent contribution in the
energetics of a driven nonequilibrium quantum system. We prove that a division of the …
energetics of a driven nonequilibrium quantum system. We prove that a division of the …
Integrable floquet dynamics
V Gritsev, A Polkovnikov - SciPost Physics, 2017 - scipost.org
We discuss several classes of integrable Floquet systems, ie systems which do not exhibit
chaotic behavior even under a time dependent perturbation. The first class is associated …
chaotic behavior even under a time dependent perturbation. The first class is associated …
Driving enhanced quantum sensing in partially accessible many-body systems
The ground-state criticality of many-body systems is a resource for quantum-enhanced
sensing, namely, the Heisenberg precision limit, provided that one has access to the whole …
sensing, namely, the Heisenberg precision limit, provided that one has access to the whole …
Dynamics of inhomogeneous spin ensembles with all-to-all interactions: Breaking permutational invariance
We investigate the consequences of introducing nonuniform initial conditions in the
dynamics of spin ensembles characterized by all-to-all interactions. Specifically, our study …
dynamics of spin ensembles characterized by all-to-all interactions. Specifically, our study …
Floquet engineering in quantum chains
We consider a one-dimensional interacting spinless fermion model, which displays the well-
known Luttinger liquid (LL) to charge density wave (CDW) transition as a function of the ratio …
known Luttinger liquid (LL) to charge density wave (CDW) transition as a function of the ratio …
Exact solution of time-dependent Lindblad equations with closed algebras
Time-dependent Lindblad master equations have important applications in areas ranging
from quantum thermodynamics to dissipative quantum computing. In this paper we outline a …
from quantum thermodynamics to dissipative quantum computing. In this paper we outline a …