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Título:
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Many-body quantum chaos and entanglement in a quantum ratchet
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Autores:
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Valdez, Marc Andrew ;
Shchedrin, Gavriil ;
Heimsoth, Martin ;
Creffield, Charles E. ;
Sols Lucía, Fernando ;
Carr, Lincoln D.
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Tipo de documento:
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texto impreso
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Editorial:
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American Physical Society, 2018-06-05
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Física de materiales
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Materia = Ciencias: Física: Física del estado sólido
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Tipo = Artículo
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Resumen:
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We uncover signatures of quantum chaos in the many-body dynamics of a Bose-Einstein condensate-based quantum ratchet in a toroidal trap. We propose measures including entanglement, condensate depletion, and spreading over a fixed basis in many-body Hilbert space, which quantitatively identify the region in which quantum chaotic many-body dynamics occurs, where random matrix theory is limited or inaccessible. With these tools, we show that many-body quantum chaos is neither highly entangled nor delocalized in the Hilbert space, contrary to conventionally expected signatures of quantum chaos.
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En línea:
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https://eprints.ucm.es/48201/1/Sols%2C%20F%2018libre.pdf
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