Physics – Quantum Physics
Scientific paper
2007-11-07
J. Phys. A: Math. Theor. 41, 145302 (2008)
Physics
Quantum Physics
To appear in J. Phys. A (England)
Scientific paper
10.1088/1751-8113/41/14/145302
We discuss generic spin squeezing operators (quadratic in angular momentum
operators) capable of squeezing out quantum mechanical noise from a system of
two-level atoms (spins) in a coherent state. Such systems have been considered
by Kitagawa and Ueda (Refs. 2) in this context and a Hamiltonian of this nature
governs the Lipkin model (Ref. 14) which is relevant to nuclear physics.
Deb Ram Narayan
Dutta-Roy Binayak
Nayak N.
Pathak P. K.
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