Number Fluctuation Dynamics of Atomic Spin Mixing inside a Condensate
Journal Article
·
· Physical Review Letters
- Center for Advanced Study, Tsinghua University, Beijing 100084 (China)
We investigate the quantum dynamics of number fluctuations inside an atomic condensate during coherent spin mixing among internal states of the ground state hyperfine manifold, by quantizing the semiclassical nonrigid pendulum model in terms of the conjugate variable pair: the relative phase and the atom number. Our result provides a theoretical basis that resolves the resolution limit, or the effective ''shot-noise'' level, for counting atoms that is needed to clearly detect quantum correlation effects in spin mixing.
- OSTI ID:
- 21028153
- Journal Information:
- Physical Review Letters, Vol. 99, Issue 8; Other Information: DOI: 10.1103/PhysRevLett.99.080402; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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