Generation of spin squeezing via continuous quantum nondemolition measurement

Citation
A. Kuzmich et al., Generation of spin squeezing via continuous quantum nondemolition measurement, PHYS REV L, 85(8), 2000, pp. 1594-1597
Citations number
17
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
85
Issue
8
Year of publication
2000
Pages
1594 - 1597
Database
ISI
SICI code
0031-9007(20000821)85:8<1594:GOSSVC>2.0.ZU;2-J
Abstract
Continuous quantum nondemolition monitoring of a collective atomic spin wit h an off-resonant laser beam has been performed. Squeezed atomic spin state s have thereby been produced with spin noise reduction to 70% below the sta ndard quantum limit expected fur a coherent spin state.