| Issue |
Europhys. Lett.
Volume 54, Number 5, June 2001
|
|
|---|---|---|
| Page(s) | 586 - 591 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2001-00333-0 | |
| Published online | 01 December 2003 | |
The survival of quantum coherence in deformed-states superposition
1
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
Received:
14
December
2000
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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