most citedApproximating the long time average of the density operator: Diagonal ensemble

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quant-ph2020

Rényi free energy and variational approximations to thermal states

Giacomo Giudice, Aslı Çakan, J. Ignacio Cirac +1

We propose the construction of thermodynamic ensembles that minimize the Rényi free energy, as an alternative to Gibbs states. For large systems, the local properties of these Rény…

quant-ph2020★ 14 cited

Approximating the long time average of the density operator: Diagonal ensemble

Aslı Çakan, J. Ignacio Cirac, Mari Carmen Bañuls

For an isolated generic quantum system out of equilibrium, the long time average of observables is given by the diagonal ensemble, i.e. the mixed state with the same probability fo…