Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2006-03-27
Phys. Rev. A 73, 013623 (2006)
Physics
Condensed Matter
Statistical Mechanics
6 pages, 2 figures
Scientific paper
10.1103/PhysRevA.73.013623
Motivated by the recent experimental observation of multi-component spinor condensates via a time-dependent quadrupole-Ioffe-configuration trap (QUIC trap), we provide a general framework for the investigation of nonadiabatic Landau-Zener dynamics of a hyperfine spin, e.g., from an atomic magnetic dipole moment coupled to a weak time-dependent magnetic (B-) field. The spin flipped population distribution, or the so-called Majorona formula is expressed in terms of system parameters and experimental observables; thus, provides much needed insight into the underlying mechanism for the production of spinor condensates due to nonadiabatic level crossings.
Xu Zhiyong
You Liangzhi
Zhang Pei-Pei
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