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Title: | Squeezing of a coupled state of two spinors |
Authors: | Devi, A. R. U Mallesh, K. S Sbaih, M. A. A Nalini, K. B Ramachandran, G |
Keywords: | Atomic states spinors |
Issue Date: | 16-May-2003 |
Publisher: | Institute of Physics Publishing Ltd. |
Citation: | Journal of Physics A - Mathematical and General, Vol. 36, No. 19, pp. 5333 - 5347 |
Abstract: | The notion of spin squeezing involves a reduction in the uncertainty of a component of the spin vector vecS below a certain limit. This aspect has been studied earlier (Mallesh et al 2000a <A article="0305-4470/33/4/310">J. Phys. A: Math. Gen. 33 779</A>, Mallesh et al 2000b <A article="0305-4470/34/15/308">J. Phys. A: Math. Gen. 34 3293</A>) for pure and mixed states of definite spin. In this paper, this study has been extended to coupled spin states which do not possess a sharp spin value. A general squeezing criterion has been obtained such that a direct product state for two spinors is not squeezed. The squeezing aspect of entangled states is studied in relation to their spin-spin correlations |
Description: | Restricted Access |
URI: | http://hdl.handle.net/2248/3732 |
ISSN: | 0305-4470 |
Appears in Collections: | IIAP Publications |
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