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Autor Hur, G. |
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Hur, G. ; Creffield, Charles E. ; Jones, P.H. ; Monteiro, T. S. | American Physical Society | 2005-07Recently, cesium atoms in optical lattices subjected to cycles of unequally spaced pulses have been found to show interesting behavior: they represent an experimental demonstration of a Hamiltonian ratchet mechanism, and they show strong variabi[...]texto impreso
The quantum dynamics of atoms subjected to pairs of closely spaced delta kicks from optical potentials are shown to be quite different from the well-known paradigm of quantum chaos, the single delta-kick system. We find the unitary matrix has a [...]