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Phys Rev Lett
; 85(8): 1594-7, 2000 Aug 21.
Article
in English
| MEDLINE
| ID: mdl-10970566
ABSTRACT
Continuous quantum nondemolition monitoring of a collective atomic spin with an off-resonant laser beam has been performed. Squeezed atomic spin states have thereby been produced with spin noise reduction to 70% below the standard quantum limit expected for a coherent spin state.
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Phys Rev B Condens Matter
; 48(7): 4616-4628, 1993 Aug 15.
Article
in English
| MEDLINE
| ID: mdl-10008944
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