Which Bipartite States are Lazy

Xu, Jianwei

doi:10.1007/s10773-014-2281-8

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Multi-mode Gaussian States1

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Cited by 3 publications

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“…where ρ A1 is the reduced state with respect to the A 1 mode, ρ A1A2 is the reduced state with respect to the A 1 A 2 modes, and [·] denotes commutator. Recall that for two-mode Gaussian states [33] […”

Section: Multi-mode Gaussian Statesmentioning

confidence: 99%

Quantifying coherence of Gaussian states

Xu¹

2016

Phys. Rev. A

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116

142

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Coherence arises from the superposition principle and plays a key role in quantum mechanics. Recently, Baumgratz et al. [T. Baumgratz, M. Cramer, and M. B. Plenio, Phys. Rev. Lett. 113, 140401 (2014)] established a rigorous framework for quantifying the coherence of finite dimensional quantum states. In this work we provide a framework for quantifying the coherence of Gaussian states and explicitly give a coherence measure based on the relative entropy.Comment: 6 pages,no figur

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Section: Multi-mode Gaussian Statesmentioning

confidence: 99%