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Thermal machines beyond the weak coupling regime
R. Gallego, A. Riera, J. Eisert
How much work can be extracted from a heat bath using a thermal machine? The study of this question has a very long tradition in statistical physics in the weak-coupling limit, app…
Locality of temperature
M. Kliesch, C. Gogolin, M. J. Kastoryano +2
This work is concerned with thermal quantum states of Hamiltonians on spin and fermionic lattice systems with short range interactions. We provide results leading to a local defini…
Boson-Sampling in the light of sample complexity
C. Gogolin, M. Kliesch, L. Aolita +1
Boson-Sampling is a classically computationally hard problem that can - in principle - be efficiently solved with quantum linear optical networks. Very recently, a rush of experime…
Lieb-Robinson bounds and the simulation of time evolution of local observables in lattice systems
Martin Kliesch, Christian Gogolin, Jens Eisert
This is an introductory text reviewing Lieb-Robinson bounds for open and closed quantum many-body systems. We introduce the Heisenberg picture for time-dependent local Liouvillians…
Rapid mixing implies exponential decay of correlations
Michael J. Kastoryano, Jens Eisert
We provide an analysis of the correlation properties of spin and fermionic systems on a lattice evolving according to open system dynamics generated by a local primitive Liouvillia…
Mutual information area laws for thermal free fermions
H. Bernigau, M. J. Kastoryano, J. Eisert
We provide a rigorous and asymptotically exact expression of the mutual information of translationally invariant free fermionic lattice systems in a Gibbs state. In order to arrive…