Continuous phase-space methods on discrete phase spacesReport as inadecuate




Continuous phase-space methods on discrete phase spaces - Download this document for free, or read online. Document in PDF available to download.

Resumen

We show that discrete quasiprobability distributions defined via the discreteHeisenberg-Weyl group can be obtained as discretizations of the continuous SUN quasiprobabilitydistributions. This is done by identifying the phase-point operators with the continuousquantisation kernels evaluated at special points of the phase space. As an application we discussthe positive-P function and show that its discretization can be used to treat the problem of divergingtrajectories. We study the dissipative long-range transverse-field Ising chain and show thatthe long-time dynamics of local observables is well described by a semiclassical approximation ofthe interactions.Nota general

Artículo de publicación ISI



Author: Zunkovic, Bojan; -

Source: http://repositorio.uchile.cl/



DOWNLOAD PDF




Related documents