Spin modulation instabilities and phase separation dynamics in trapped two-component Bose condensates

  • In the study of trapped two-component Bose gases, a widely used dynamical protocol is to start from the ground state of a one-component condensate and then switch half the atoms into another hyperfine state. The slightly different intra-component and inter-component interactions can then lead to highly non-trivial dynamics, especially in the density mismatch between the two components, commonly referred to as 'spin' density. We study and classify the possible subsequent dynamics, over a wide variety of parameters spanned by the trap strength and by the inter- to intra-component interaction ratio. A stability analysis suited to the trapped situation provides us with a framework to explain the various types of dynamics in different regimes.

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Metadaten
Author:Ivana Vidanović, Nicolaas Jan van Druten, Masudul Haque
URN:urn:nbn:de:hebis:30:3-259192
DOI:https://doi.org/10.1088/1367-2630/15/3/035008
ISSN:1367-2630
Parent Title (English):New journal of physics : the open-access journal for physics / Deutsche Physikalische Gesellschaft ; IOP, Institute of Physics
Publisher:Dt. Physikalische Ges. ; IOP
Place of publication:[Bad Honnef] ; [London]
Document Type:Article
Language:English
Date of Publication (online):2013/03/06
Date of first Publication:2013/03/06
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2013/06/13
Volume:15
Issue:3
Page Number:15
Note:
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
HeBIS-PPN:347117120
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:00.00.00 GENERAL / 03.00.00 Quantum mechanics, field theories, and special relativity (see also section 11 General theory of fields and particles) / 03.75.-b Matter waves (for atom interferometry, see 37.25.+k; see also 67.85.-d ultracold gases, trapped gases in quantum fluids and solids) / 03.75.Kk Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow
30.00.00 ATOMIC AND MOLECULAR PHYSICS / 37.00.00 Mechanical control of atoms, molecules, and ions (see also 82.37.Gk STM and AFM manipulations of a single molecule in physical chemistry and chemical physics; for atom manipulation in nanofabrication and processing, see 81.16.Ta; see also 03.75.-b Matter / 37.10.-x Atom, molecule, and ion cooling methods (see also 87.80.Cc Optical trapping in biophysical techniques) / 37.10.De Atom cooling methods
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 3.0

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