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Toward a measurement of the effective gauge field and the Born-Huang potential with atoms in chip traps
Amer Univ Middle East, Coll Engn & Technol, Egaila 54200, Kuwait..
Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden..
KTH, School of Engineering Sciences (SCI), Applied Physics. Natl Univ Singapore, Ctr Quantum Technol, 2 Sci Dr 3, Singapore 117542, Singapore..ORCID iD: 0000-0002-7109-3502
Aix Marseille Univ, Univ Toulon, CNRS, CPT,IPhU,AMUTech, Marseille, France.;Natl Univ Singapore, Ctr Quantum Technol, 2 Sci Dr 3, Singapore 117542, Singapore..
2022 (English)In: European Physical Journal D: Atomic, Molecular and Optical Physics, ISSN 1434-6060, E-ISSN 1434-6079, Vol. 76, no 8, article id 137Article in journal (Refereed) Published
Abstract [en]

We study magnetic traps with very high trap frequencies where the spin is coupled to the motion of the atom. This allows us to investigate how the Born-Oppenheimer approximation fails and how effective magnetic and electric fields appear as the consequence of the non-adiabatic dynamics. The results are based on exact numerical diagonalization of the full Hamiltonian describing the coupling between the internal and external degrees of freedom. The position in energy and the decay rate of the trapping states corresponding to the imaginary part of the resonances of this Hamiltonian are computed using the complex rotation method.

Place, publisher, year, edition, pages
Springer Nature , 2022. Vol. 76, no 8, article id 137
National Category
Theoretical Chemistry Other Physics Topics Mathematical Analysis
Identifiers
URN: urn:nbn:se:kth:diva-316785DOI: 10.1140/epjd/s10053-022-00461-zISI: 000836600700002Scopus ID: 2-s2.0-85135448215OAI: oai:DiVA.org:kth-316785DiVA, id: diva2:1691354
Note

QC 20220830

Available from: 2022-08-30 Created: 2022-08-30 Last updated: 2022-08-30Bibliographically approved

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Hessmo, Björn

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