Butera, S. , Öhberg, P. and Carusotto, I. (2017) Black-hole lasing in coherently coupled two-component atomic condensates. Physical Review A: Atomic, Molecular and Optical Physics, 96(1), 013611. (doi: 10.1103/PhysRevA.96.013611)
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Abstract
We study theoretically the black-hole lasing phenomenon in a flowing one-dimensional, coherently coupled two-component atomic Bose–Einstein condensate whose constituent atoms interact via a spin-dependent s -wave contact interaction. We show by a numerical analysis the onset of the dynamical instability in the spin branch of the excitations, once a finite supersonic region is created in this branch. We study both a spatially homogeneous geometry and a harmonically trapped condensate. Experimental advantages of the two-component configuration are pointed out, with an eye towards studies of backreaction phenomena.
Item Type: | Articles |
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Additional Information: | s. S.B. acknowledges financial support from EPSRC CM-CDT Grant No. EP/G03673X/1. P.Ö. acknowledges support from EPSRC EP/M024636/1. I.C. acknowledges financial support from the EU-FET Proactive grant AQuS, Project No. 640800, and by the Autonomous Province of Trento, partially through the project “On silicon chip quantum optics for quantum computing and secure communications” (“SiQuro”). |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Butera, Dr Salvatore |
Authors: | Butera, S., Öhberg, P., and Carusotto, I. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Physical Review A: Atomic, Molecular and Optical Physics |
Publisher: | American Physical Society |
ISSN: | 1050-2947 |
ISSN (Online): | 1094-1622 |
Published Online: | 10 July 2017 |
Copyright Holders: | Copyright © 2017 American Physical Society |
First Published: | First published in Physical Review A: Atomic, Molecular and Optical Physics 96(1): 013611 |
Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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