Volume 54, Number 5, June 2001
|Page(s)||586 - 591|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 December 2003|
The survival of quantum coherence in deformed-states superposition
INFM, Dipartimento di Fisica, Università di Milano
Via Celoria 16, I-20133 Milano, Italy
2 P. N. Lebedev Physical Institute - Leninskii Prospekt 53, Moscow 117924, Russia
Accepted: 23 March 2001
We study the dissipative dynamics of deformed coherent states superposition. We find that such a kind of superposition can be more robust against decoherence than the usual Schrödinger cat states.
PACS: 42.50.Dv – Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phasemeasurements / 42.50.Ar – Photon statistics and coherence theory / 03.65.Ca – Formalism
© EDP Sciences, 2001
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