|
Título:
|
Quasinormal mode analysis in BEC acoustic black holes
|
|
Autores:
|
Barceló, C. ;
Cano, A. ;
Garay Elizondo, Luis Javier ;
Jannes, G.
|
|
Tipo de documento:
|
texto impreso
|
|
Editorial:
|
Amer Physical Soc, 2007-04
|
|
Dimensiones:
|
application/pdf
|
|
Nota general:
|
info:eu-repo/semantics/openAccess
|
|
Idiomas:
|
|
|
Palabras clave:
|
Estado = Publicado
,
Materia = Ciencias: Física: Física-Modelos matemáticos
,
Materia = Ciencias: Física: Física matemática
,
Tipo = Artículo
|
|
Resumen:
|
We perform a quasinormal mode analysis of black-hole configurations in Bose-Einstein condensates (BECs). In this analysis we use the full Bogoliubov dispersion relation, not just the hydrodynamic or geometric approximation. We restrict our attention to one-dimensional flows in BECs with steplike discontinuities. For this case we show that in the hydrodynamic approximation quasinormal modes do not exist. The full dispersion relation, however, allows the existence of quasinormal modes. Remarkably, the spectrum of these modes is not discrete but continuous.
|
|
En línea:
|
https://eprints.ucm.es/id/eprint/29823/1/Garay20.pdf
|
