Artículo
Vibrational mechanics in an optical lattice: controlling transport via potential renormalization
Autor/es | Wickenbrock, Arne
Holz, Philip C. Abdul Wahab, N.A. Phoonthong, P. Cubero Gómez, David Renzoni, Ferruccio |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2012 |
Fecha de depósito | 2015-06-03 |
Publicado en |
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Resumen | We demonstrate theoretically and experimentally the phenomenon of vibrational resonance in a
periodic potential, using cold atoms in an optical lattice as a model system. A high-frequency (HF)
drive, with a frequency ... We demonstrate theoretically and experimentally the phenomenon of vibrational resonance in a periodic potential, using cold atoms in an optical lattice as a model system. A high-frequency (HF) drive, with a frequency much larger than any characteristic frequency of the system, is applied by phase modulating one of the lattice beams. We show that the HF drive leads to the renormalization of the potential. We used transport measurements as a probe of the potential renormalization. The very same experiments also demonstrate that transport can be controlled by the HF drive via potential renormalization. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España |
Ficheros | Tamaño | Formato | Ver | Descripción |
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JPC_Cubero_2012_vibrational.pdf | 282.8Kb | [PDF] | Ver/ | |