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|Title:||Macroscopic quantum states of a trapped ion|
|Citation:||Zeng, H.,Tang, S.H. (2000). Macroscopic quantum states of a trapped ion. Physical Review A - Atomic, Molecular, and Optical Physics 62 (4) : 1-4. ScholarBank@NUS Repository.|
|Abstract:||The second-sideband Roman excitation of the motional ground state of a single ion trapped in a harmonic potential is analyzed in the strong Raman coupling regime. Appropriate Raman motional excitations driven by strong standing-wave lasers can be used to split the motional ground state to a macroscopic motional wave-packet state with spatial separation between the split parts comparable to the dimension of the involved ionic transition wavelengths. A spatial flat wave-packet with coherence persisting in a wide spatial range can also be excited. The spatial spread of such a spatial flat macroscopic motional wave-packet oscillates periodically during the free-time evolution in the harmonic trap, with a spatial flat distribution persisting at most of the oscillating times. ©2000 The American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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