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4 papers · 1 filter
Egorov property in perturbed cat map
Martin Horvat, Mirko Degli Esposti
We study the time evolution of the quantum-classical correspondence (QCC) for the well known model of quantised perturbed cat maps on the torus in the very specific regime of semi-…
Entanglement of random vectors
Marko Znidaric
We analytically calculate the average value of i-th largest Schmidt coefficient for random pure quantum states. Schmidt coefficients, i.e., eigenvalues of the reduced density matri…
Wigner function statistics in classically chaotic systems
Martin Horvat, Tomaz Prosen
We have studied statistical properties of the values of the Wigner function W(x) of 1D quantum maps on compact 2D phase space of finite area V. For this purpose we have defined a W…
Quantum-classical correspondence on compact phase space
Martin Horvat, Tomaz Prosen, Mirko Degli Esposti
We propose to study the -norm distance between classical and quantum phase space distributions, where for the latter we choose the Wigner function, as a global phase space ind…