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Paper   IPM / Physic / 11512
School of Physics
Title:   Classical Protocol for Simulation of Spin Measurement Correlations of Binary Soin-S Singlet State
Author(s):
 1 A. Ahanj 2 P.S. Joag 3 S . Ghosh
Status:   Published
Journal: Int. J. Quant. Inf.
No.:  4
Vol.:  8
Year:  2010
Pages:   687-696
Supported by:  IPM
Abstract:
In a recent paper [A. Ahanj et al., Phys. Lett. A 368 (2007) 34], we gave a classical protocol to simulate quantum correlations corresponding to the spin-s singlet state for the infinite sequence of spins satisfying 2s + 1 = 2n. In the present paper, we have generalized this result by giving a classical protocols to exactly simulate quantum correlations implied by the spin-s singlet state corresponding to all integer as well as half-integer spin values s. The class of measurements we consider here are only those corresponding to spin observables, as has been done in the above-mentioned paper. The required amount of communication is found to be #8968;log2(s + 1) #8969; in the worst case scenario, where #8968;x #8969; is the least integer greater than or equal to x.

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