Energy barriers for vortex nucleation in dipolar condensates

We consider singly-quantized vortex states in a condensate of 52Cr atoms in a pancake trap. We obtain the vortex solutions by numerically solving the Gross-Pitaevskii equation in the rotating frame with no further approximations. The behavior of the condensate is studied under three different situat...

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Autores principales:	Abad, M., Guilleumas, M., Mayol, R., Pi, M., Jezek, D.M.
Formato:	JOUR
Materias:	Contact interaction Cr atoms Gross-Pitaevskii equation Numerical calculation Rotating frame Rotation axis Thomas-Fermi approximation Vortex displacements Vortex nucleation Vortex solutions Vortex state Bose-Einstein condensation Energy barriers Mathematical models Nucleation Quantum optics Rotation Shear waves Vortex flow
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_1054660X_v20_n5_p1190_Abad
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_1054660X_v20_n5_p1190_Abad
record_format	dspace
spelling	todo:paper_1054660X_v20_n5_p1190_Abad2023-10-03T16:00:46Z Energy barriers for vortex nucleation in dipolar condensates Abad, M. Guilleumas, M. Mayol, R. Pi, M. Jezek, D.M. Contact interaction Cr atoms Gross-Pitaevskii equation Numerical calculation Rotating frame Rotation axis Thomas-Fermi approximation Vortex displacements Vortex nucleation Vortex solutions Vortex state Bose-Einstein condensation Energy barriers Mathematical models Nucleation Quantum optics Rotation Shear waves Vortex flow We consider singly-quantized vortex states in a condensate of 52Cr atoms in a pancake trap. We obtain the vortex solutions by numerically solving the Gross-Pitaevskii equation in the rotating frame with no further approximations. The behavior of the condensate is studied under three different situations concerning the interactions: only s-wave, s-wave plus dipolar and only dipolar. The energy barrier for the nucleation of a vortex is calculated as a function of the vortex displacement from the rotation axis in the three cases. These results are compared to those obtained for contact interaction condensates in the Thomas-Fermi approximation, and to a pseudo-analytical model, showing this latter a very good agreement with the numerical calculation. © Pleiades Publishing, Ltd., 2010. Fil:Jezek, D.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_1054660X_v20_n5_p1190_Abad
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Contact interaction Cr atoms Gross-Pitaevskii equation Numerical calculation Rotating frame Rotation axis Thomas-Fermi approximation Vortex displacements Vortex nucleation Vortex solutions Vortex state Bose-Einstein condensation Energy barriers Mathematical models Nucleation Quantum optics Rotation Shear waves Vortex flow
spellingShingle	Contact interaction Cr atoms Gross-Pitaevskii equation Numerical calculation Rotating frame Rotation axis Thomas-Fermi approximation Vortex displacements Vortex nucleation Vortex solutions Vortex state Bose-Einstein condensation Energy barriers Mathematical models Nucleation Quantum optics Rotation Shear waves Vortex flow Abad, M. Guilleumas, M. Mayol, R. Pi, M. Jezek, D.M. Energy barriers for vortex nucleation in dipolar condensates
topic_facet	Contact interaction Cr atoms Gross-Pitaevskii equation Numerical calculation Rotating frame Rotation axis Thomas-Fermi approximation Vortex displacements Vortex nucleation Vortex solutions Vortex state Bose-Einstein condensation Energy barriers Mathematical models Nucleation Quantum optics Rotation Shear waves Vortex flow
description	We consider singly-quantized vortex states in a condensate of 52Cr atoms in a pancake trap. We obtain the vortex solutions by numerically solving the Gross-Pitaevskii equation in the rotating frame with no further approximations. The behavior of the condensate is studied under three different situations concerning the interactions: only s-wave, s-wave plus dipolar and only dipolar. The energy barrier for the nucleation of a vortex is calculated as a function of the vortex displacement from the rotation axis in the three cases. These results are compared to those obtained for contact interaction condensates in the Thomas-Fermi approximation, and to a pseudo-analytical model, showing this latter a very good agreement with the numerical calculation. © Pleiades Publishing, Ltd., 2010.
format	JOUR
author	Abad, M. Guilleumas, M. Mayol, R. Pi, M. Jezek, D.M.
author_facet	Abad, M. Guilleumas, M. Mayol, R. Pi, M. Jezek, D.M.
author_sort	Abad, M.
title	Energy barriers for vortex nucleation in dipolar condensates
title_short	Energy barriers for vortex nucleation in dipolar condensates
title_full	Energy barriers for vortex nucleation in dipolar condensates
title_fullStr	Energy barriers for vortex nucleation in dipolar condensates
title_full_unstemmed	Energy barriers for vortex nucleation in dipolar condensates
title_sort	energy barriers for vortex nucleation in dipolar condensates
url	http://hdl.handle.net/20.500.12110/paper_1054660X_v20_n5_p1190_Abad
work_keys_str_mv	AT abadm energybarriersforvortexnucleationindipolarcondensates AT guilleumasm energybarriersforvortexnucleationindipolarcondensates AT mayolr energybarriersforvortexnucleationindipolarcondensates AT pim energybarriersforvortexnucleationindipolarcondensates AT jezekdm energybarriersforvortexnucleationindipolarcondensates
_version_	1807314846866210816

Energy barriers for vortex nucleation in dipolar condensates

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