Compatibility conditions on local and global spectra for $n$-mode Gaussian states

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dc.creatorIvan, J. Solomon
dc.creatorSimon, R.
dc.date2008-12-15
dc.date.accessioned2026-07-07T12:12:55Z
dc.date.available2026-07-07T12:12:55Z
dc.descriptionCompatibility conditions between the (global) spectrum of an $n$-mode Gaussian state and the spectra of the individual modes are presented, making optimal use of beam splitter and (two-mode) squeezing transformations. An unexpected bye-product of our elementary approach is the result that every two-mode Gaussian state is uniquely determined, modulo local transformations, by its global spectrum and local spectra -- a property shared not even by a pair of qubits.
dc.description10 Pages
dc.identifierhttps://arxiv.org/abs/0812.2805
dc.identifierhttp://arxiv.org/abs/0812.2805
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210700
dc.subjectQuantum Physics
dc.titleCompatibility conditions on local and global spectra for $n$-mode Gaussian states
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