Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates

Jeff Steihhauer; Nadav Katz; Roee Ozeri; Nir Davidson; Cesare Tozzo; Franco Dalfovo

doi:10.1109/EQEC.2003.1314042

Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates

Jeff Steihhauer, Nadav Katz, Roee Ozeri, Nir Davidson, Cesare Tozzo, Franco Dalfovo

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. The condensate consists of N=10⁵ atoms of ⁸⁷Rb which was excited at wavenumber k by using two Bragg beams. Results are analyzed by numerically solving the Gross-Pitaevskii (GP) equation for the order parameter of the condensate. This study shows that the response of the condensate to a Bragg pulse is indeed significantly affected by the radial degrees of freedom. By using Bragg pulses longer than in previous measurements, this multi-branch spectrum is resolved, finding good agreement with the predictions of Gross-Pitaevskii theory.

Original language	English
Title of host publication	2003 European Quantum Electronics Conference, EQEC 2003
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	185
Number of pages	1
ISBN (Electronic)	0780377338, 9780780377332
DOIs	https://doi.org/10.1109/EQEC.2003.1314042
State	Published - 2003
Externally published	Yes
Event	European Quantum Electronics Conference, EQEC 2003 - Munich, Germany Duration: 22 Jun 2003 → 27 Jun 2003

Publication series

Name	2003 European Quantum Electronics Conference, EQEC 2003

Conference

Conference	European Quantum Electronics Conference, EQEC 2003
Country/Territory	Germany
City	Munich
Period	22/06/03 → 27/06/03

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10.1109/EQEC.2003.1314042

Cite this

Steihhauer, J., Katz, N., Ozeri, R., Davidson, N., Tozzo, C., & Dalfovo, F. (2003). Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. In 2003 European Quantum Electronics Conference, EQEC 2003 (pp. 185). Article 1314042 (2003 European Quantum Electronics Conference, EQEC 2003). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EQEC.2003.1314042

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title = "Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates",

abstract = "This paper presents Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. The condensate consists of N=105 atoms of 87Rb which was excited at wavenumber k by using two Bragg beams. Results are analyzed by numerically solving the Gross-Pitaevskii (GP) equation for the order parameter of the condensate. This study shows that the response of the condensate to a Bragg pulse is indeed significantly affected by the radial degrees of freedom. By using Bragg pulses longer than in previous measurements, this multi-branch spectrum is resolved, finding good agreement with the predictions of Gross-Pitaevskii theory.",

author = "Jeff Steihhauer and Nadav Katz and Roee Ozeri and Nir Davidson and Cesare Tozzo and Franco Dalfovo",

year = "2003",

doi = "10.1109/EQEC.2003.1314042",

language = "אנגלית",

series = "2003 European Quantum Electronics Conference, EQEC 2003",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "185",

booktitle = "2003 European Quantum Electronics Conference, EQEC 2003",

address = "ארצות הברית",

note = "European Quantum Electronics Conference, EQEC 2003 ; Conference date: 22-06-2003 Through 27-06-2003",

}

Steihhauer, J, Katz, N, Ozeri, R, Davidson, N, Tozzo, C & Dalfovo, F 2003, Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. in 2003 European Quantum Electronics Conference, EQEC 2003., 1314042, 2003 European Quantum Electronics Conference, EQEC 2003, Institute of Electrical and Electronics Engineers Inc., pp. 185, European Quantum Electronics Conference, EQEC 2003, Munich, Germany, 22/06/03. https://doi.org/10.1109/EQEC.2003.1314042

Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. / Steihhauer, Jeff; Katz, Nadav; Ozeri, Roee et al.
2003 European Quantum Electronics Conference, EQEC 2003. Institute of Electrical and Electronics Engineers Inc., 2003. p. 185 1314042 (2003 European Quantum Electronics Conference, EQEC 2003).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - This paper presents Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. The condensate consists of N=105 atoms of 87Rb which was excited at wavenumber k by using two Bragg beams. Results are analyzed by numerically solving the Gross-Pitaevskii (GP) equation for the order parameter of the condensate. This study shows that the response of the condensate to a Bragg pulse is indeed significantly affected by the radial degrees of freedom. By using Bragg pulses longer than in previous measurements, this multi-branch spectrum is resolved, finding good agreement with the predictions of Gross-Pitaevskii theory.

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Steihhauer J, Katz N, Ozeri R, Davidson N, Tozzo C, Dalfovo F. Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates. In 2003 European Quantum Electronics Conference, EQEC 2003. Institute of Electrical and Electronics Engineers Inc. 2003. p. 185. 1314042. (2003 European Quantum Electronics Conference, EQEC 2003). doi: 10.1109/EQEC.2003.1314042

Bragg spectroscopy of the multi-branch Bogoliubov spectrum of elongated Bose-Einstein condensates

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