Quantum superpositions of flow states on a ring
نویسندگان
چکیده
منابع مشابه
Quantum superpositions of binomial states of light
We introduce new kinds of states of electromagnetic field, which are quantum superpositions of binomial states . They not only exhibit remarkable non-classical properties but can also interpolate between the `Schrodinger cat' type of states and the number states in a particularly interesting way . We basically discuss some of their main statistical properties, as well as schemes for their gener...
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In terms of quantum Fisher information, a quantity χ was introduced by Pezzé and Smerzi [Phys. Rev. Lett. 102, 100401 (2009)], which is a multiparticle entanglement measure, and provides a necessary and sufficient condition for sub-shot-noise phase estimation sensitivity. We derive a general expression of χ for arbitrary symmetric multiqubit states with nonzero mean spins. It is shown that the ...
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ژورنال
عنوان ژورنال: Journal of Optics
سال: 2011
ISSN: 2040-8978,2040-8986
DOI: 10.1088/2040-8978/13/6/064011