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Orientation-to-alignment conversion and spin squeezing
Orientation-to-alignment conversion spin squeezing
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2011/9/2
The relationship between orientation-to-alignment conversion (a form of atomic polarization evolution induced by an electric eld) and the phenomenon of spin squeezing is demonstrated. A \stretched" s...
Spin Squeezing, Negative Correlations, and Concurrence in the Quantum Kicked Top Model
Spin Squeezing Negative Correlations Concurrence Quantum Kicked Top Model
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2010/10/29
We study spin squeezing, negative correlations, and concurrence in the quantum kicked top model. We prove that the spin squeezing and negative correlations are equivalent for spin systems with only sy...
Spin-squeezing and Dicke state preparation through single-photon heterodyne measurement
Dicke state single-photon heterodyne measurement
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2010/3/10
We investigate the collapse of a coherent superposition of two-level atoms induced by a single-photon heterodyne quantum non-demolition (QND) measurement, and show that such a measurement process lead...