Bragg spectroscopy of the multibranch Bogoliubov spectrum of elongated Bose-Einstein condensates

J. Steinhauer; N. Katz; R. Ozeri; N. Davidson; C. Tozzo; F. Dalfovo

Bragg spectroscopy of the multibranch Bogoliubov spectrum of elongated Bose-Einstein condensates

J. Steinhauer^*, N. Katz, R. Ozeri, N. Davidson, C. Tozzo, F. Dalfovo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

Long Bragg pulses were used to spectroscopically measure the first and zeroth order radial modes in the phonon spectrum of a Bose-Einstein condensate. These high-resolution measurements agree well with simulations of the Gross-Pitaevskii equation. The local density approximation failed to reproduce these multiple radial modes.

Original language	English
Article number	060404
Pages (from-to)	060404/1-060404/4
Journal	Physical Review Letters
Volume	90
Issue number	6
State	Published - 14 Feb 2003
Externally published	Yes

Bibliographical note

Funding Information:
This work is partially supported by MIUR-COFIN2000 and the Israel Science Foundation.

Cite this

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

abstract = "Long Bragg pulses were used to spectroscopically measure the first and zeroth order radial modes in the phonon spectrum of a Bose-Einstein condensate. These high-resolution measurements agree well with simulations of the Gross-Pitaevskii equation. The local density approximation failed to reproduce these multiple radial modes.",

author = "J. Steinhauer and N. Katz and R. Ozeri and N. Davidson and C. Tozzo and F. Dalfovo",

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language = "אנגלית",

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AU - Steinhauer, J.

AU - Katz, N.

AU - Ozeri, R.

AU - Davidson, N.

AU - Tozzo, C.

AU - Dalfovo, F.

N1 - Funding Information: This work is partially supported by MIUR-COFIN2000 and the Israel Science Foundation.

PY - 2003/2/14

Y1 - 2003/2/14

N2 - Long Bragg pulses were used to spectroscopically measure the first and zeroth order radial modes in the phonon spectrum of a Bose-Einstein condensate. These high-resolution measurements agree well with simulations of the Gross-Pitaevskii equation. The local density approximation failed to reproduce these multiple radial modes.

AB - Long Bragg pulses were used to spectroscopically measure the first and zeroth order radial modes in the phonon spectrum of a Bose-Einstein condensate. These high-resolution measurements agree well with simulations of the Gross-Pitaevskii equation. The local density approximation failed to reproduce these multiple radial modes.

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ER -

Bragg spectroscopy of the multibranch Bogoliubov spectrum of elongated Bose-Einstein condensates

Abstract

Bibliographical note

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