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Light scattering for thermometry of fermionic atoms in an optical lattice

Light scattering for thermometry of fermionic atoms in an optical lattice
Light scattering for thermometry of fermionic atoms in an optical lattice
We propose a method of using off-resonant light scattering to measure the temperature of fermionic atoms tightly confined in a two-dimensional optical-lattice potential. We show that fluctuations of the intensity in the far-field diffraction pattern arising from thermal correlations of the atoms can be accurately detected above the shot noise by collecting photons scattered in a forward direction, with the diffraction maxima blocked. The sensitivity of this method of thermometry is enhanced by an additional harmonic trapping potential
0031-9007
170404-[4pp]
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Foot, C.J.
3074c541-cd2e-44c8-8d69-e946770d049c
Deb, A.B.
3bf8743c-3bee-4e1b-848f-51773aa2223a
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Foot, C.J.
3074c541-cd2e-44c8-8d69-e946770d049c
Deb, A.B.
3bf8743c-3bee-4e1b-848f-51773aa2223a

Ruostekoski, J., Foot, C.J. and Deb, A.B. (2009) Light scattering for thermometry of fermionic atoms in an optical lattice. Physical Review Letters, 103 (17), 170404-[4pp]. (doi:10.1103/PhysRevLett.103.170404).

Record type: Article

Abstract

We propose a method of using off-resonant light scattering to measure the temperature of fermionic atoms tightly confined in a two-dimensional optical-lattice potential. We show that fluctuations of the intensity in the far-field diffraction pattern arising from thermal correlations of the atoms can be accurately detected above the shot noise by collecting photons scattered in a forward direction, with the diffraction maxima blocked. The sensitivity of this method of thermometry is enhanced by an additional harmonic trapping potential

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Submitted date: 15 January 2009
Published date: 17 October 2009

Identifiers

Local EPrints ID: 69229
URI: http://eprints.soton.ac.uk/id/eprint/69229
ISSN: 0031-9007
PURE UUID: f59dcc2f-5461-4314-b9bc-313a68ee0eaa

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Date deposited: 26 Oct 2009
Last modified: 08 Nov 2021 16:52

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Contributors

Author: J. Ruostekoski
Author: C.J. Foot
Author: A.B. Deb

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