Physics – Quantum Physics
Scientific paper
2008-02-16
J. Phys. B: At. Mol. Opt. Phys. 41 (2008) 235501
Physics
Quantum Physics
8 pages, 3 figures, RevteX, Minor revision, References added
Scientific paper
10.1088/0953-4075/41/23/235501
A scheme for exploring photon number amplification and discrimination is presented based on the interaction of a large number of two-level atoms with a single mode radiation field. The fact that the total number of photons and atoms in the excited states is a constant under time evolution in Dicke model is exploited to rearrange the atom-photon numbers. Three significant predictions emerge from our study: Threshold time for initial exposure to photons, time of perception (time of maximum detection probability), and discrimination of first few photon states.
Prabhu Ramada
Rajagopal A. K.
Usha Devi A. R.
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