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quant-ph2023★ 5 cited
Classical analogs of generalized purities, entropies, and logarithmic negativity
Bogar Díaz, Diego González, Marcos J. Hernández +1
It has recently been proposed classical analogs of the purity, linear quantum entropy, and von Neumann entropy for classical integrable systems, when the corresponding quantum syst…
quant-ph2021
Classical analogs of the covariance matrix, purity, linear entropy, and von Neumann entropy
Bogar Díaz, Diego González, Daniel Gutiérrez-Ruiz +1
We obtain a classical analog of the quantum covariance matrix by performing its classical approximation for any continuous quantum state, and we illustrate this approach with the a…