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Landau-like states in neutral particles
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology. KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Los Alamos Natl Lab, USA.
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2016 (English)In: PHYSICAL REVIEW B, ISSN 2469-9950, Vol. 93, no 23, 235134Article in journal (Refereed) PublishedText
Abstract [en]

We show the emergence of a new type of dispersion relation for neutral atoms with an interesting similarity to the spectrum of two-dimensional electrons in an applied perpendicular constant magnetic field. These neutral atoms can be confined in toroidal optical traps and give quasi-Landau spectra. In strong contrast to the equidistant infinitely degenerate Landau levels for charged particles, the spectral gap for such two-dimensional neutral particles increases in particular electric-field configurations. The idea in the paper is motivated by the development in cold atom experiments and builds on the seminal paper of Aharonov and Casher.

Place, publisher, year, edition, pages
2016. Vol. 93, no 23, 235134
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-189803DOI: 10.1103/PhysRevB.93.235134ISI: 000378105400001ScopusID: 2-s2.0-84976587185OAI: oai:DiVA.org:kth-189803DiVA: diva2:949511
Funder
EU, European Research Council, DM 321031Swedish Research Council, 2012-3447Knut and Alice Wallenberg Foundation, KAW-2013.0020
Note

QC 20160720

Available from: 2016-07-20 Created: 2016-07-15 Last updated: 2016-07-20Bibliographically approved

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