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Resonant analogue configurations in atomic condensates
Juan Ramón Muñoz de Nova, Pablo Fernández Palacios, Pedro Alcázar Guerrero +2
As a contribution to a memorial volume, we provide a comprehensive discussion of resonant configurations in analogue gravity, focusing on its implementation in atomic condensates a…
The BHL-BCL crossover: from nonlinear to linear quantum amplification
Juan Ramón Muñoz de Nova, Fernando Sols
The black-hole laser (BHL) effect is the self-amplification of Hawking radiation between a pair of horizons which act as a resonant cavity. In a flowing atomic condensate, the BHL…
Quantum transport in the black-hole configuration of an atom condensate outcoupled through an optical lattice
J. R. M. de Nova, F. Sols, I. Zapata
The outcoupling of a Bose-Einstein condensate through an optical lattice provides an interesting scenario to study quantum transport phenomena or the analog Hawking effect as the s…
Non-linear stationary solutions in realistic models for analog black-hole lasers
Juan Ramón Muñoz de Nova
From both a theoretical and an experimental point of view, Bose-Einstein condensates are good candidates for studying gravitational analogues of black holes and black-hole lasers.…
Self-amplifying Hawking radiation and its background: a numerical study
Jeff Steinhauer, Juan Ramón Muñoz de Nova
We numerically study an analogue black hole with two horizons with similar parameters to a recent experiment. We find that the Hawking radiation exists on a background which contai…
Collective properties of quantum matter: from Hawking radiation analogues to quantum Hall effect in graphene
J. R. M. de Nova
The work is divided in three parts. We devote the first part to the study of analog Hawking radiation in Bose-Einstein condensates. We study numerically the birth of a sonic black…
Entanglement and violation of classical inequalities in the Hawking radiation of flowing atom condensates
J. R. M. de Nova, F. Sols, I. Zapata
We consider a sonic black-hole scenario where an atom condensate flows through a subsonic-supersonic interface. We discuss several criteria that reveal the existence of nonclassica…
Time-dependent study of a black-hole laser in a flowing atomic condensate
J. R. M. de Nova, S. Finazzi, I. Carusotto
We numerically study the temporal evolution of a black-hole laser configuration displaying a pair of black and white hole horizons in a flowing atomic condensate. This configuratio…
Birth of a quasi-stationary black hole in an outcoupled Bose-Einstein condensate
J. R. M. de Nova, D. Guéry-Odelin, F. Sols +1
We study the evolution of an initially confined atom condensate which is progressively outcoupled by gradually lowering the confining barrier on one side. The goal is to identify p…
Violation of Cauchy-Schwarz inequalities by spontaneous Hawking radiation in resonant boson structures
J. R. M. de Nova, F. Sols, I. Zapata
The violation of a classical Cauchy-Schwarz (CS) inequality is identified as an unequivocal signature of spontaneous Hawking radiation in sonic black holes. This violation can be p…