|
| related topics |
| {cos, sin, state} |
| {state, states, entangled} |
| {state, states, coherent} |
| {spin, pulse, spins} |
| {group, space, representation} |
| {time, decoherence, evolution} |
| {bell, inequality, local} |
| {observables, space, algebra} |
|
Squeezing of a coupled state of two spinors
A. R. Usha Devi, K. S. Mallesh, Mahmoud A. A. Sbaih, K. B. Nalini, G Ramachandran
abstract: The notion of spin squeezing involves reduction in the uncertainty of a
component of the spin vector below a certain limit. This aspect has been
studied earlier for pure and mixed states of definite spin. In this paper, this
study has been extended to coupled spin states which do not possess sharp spin
value. A general squeezing criterion has been obtained by requiring 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.
- oai_identifier:
- oai:arXiv.org:quant-ph/0204019
- categories:
- quant-ph
- comments:
- Typeset in LaTeX 2e using the style iopart, packages
iopams,times,amssymb,graphicx; 17 pages, 5 eps figure files
- doi:
- 10.1088/0305-4470/36/19/310
- arxiv_id:
- quant-ph/0204019
- created:
- 2002-04-04
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