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Spin squeezing of mixed systems. - MaRDI portal

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Spin squeezing of mixed systems.

From MaRDI portal
Publication:2735715

DOI10.1088/0305-4470/34/15/308zbMATH Open1057.81529arXivquant-ph/0010088OpenAlexW3104304588MaRDI QIDQ2735715

Author name not available (Why is that?)

Publication date: 4 September 2001

Published in: (Search for Journal in Brave)

Abstract: The notion of spin squeezing has been discussed in this paper using the density matrix formalism. Extending the definition of squeezing for pure states given by Kitagawa and Ueda in an appropriate manner and employing the spherical tensor representation, we show that mixed spin states which are non-oriented and possess vector polarization indeed exhibit squeezing. We construct a mixed state of a spin 1 system using two spin 1/2 states and study its squeezing behaviour as a function of the individual polarizations of the two spinors.


Full work available at URL: https://arxiv.org/abs/quant-ph/0010088




Mathematics Subject Classification ID

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