The Quadratic Spin Squeezing Operators
classification
🪐 quant-ph
keywords
operatorssqueezingquadraticspinangularatomsbeencapable
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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.
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