High-contrast interference in a thermal cloud of atoms

Miller D, Anglin JR, Abo-Shaeer JR, Xu K, Chin JK, Ketterle W (2005)
Physical Review A 71(4).

Journal Article | Published | English

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Abstract
The coherence properties of a gas of bosonic atoms above the Bose-Einstein-condensation transition temperature were studied. Bragg diffraction was used to create two spatially separated wave packets, which interfere during expansion. Given sufficient expansion time, high fringe contrast could be observed in a cloud of arbitrary temperature. Fringe visibility greater than 90% was observed, which decreased with increasing temperature, in agreement with a simple model. When the sample was "filtered" in momentum space using long, velocity-selective Bragg pulses, the contrast was significantly enhanced in contrast to predictions.
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Miller D, Anglin JR, Abo-Shaeer JR, Xu K, Chin JK, Ketterle W. High-contrast interference in a thermal cloud of atoms. Physical Review A. 2005;71(4).
Miller, D., Anglin, J. R., Abo-Shaeer, J. R., Xu, K., Chin, J. K., & Ketterle, W. (2005). High-contrast interference in a thermal cloud of atoms. Physical Review A, 71(4).
Miller, D., Anglin, J. R., Abo-Shaeer, J. R., Xu, K., Chin, J. K., and Ketterle, W. (2005). High-contrast interference in a thermal cloud of atoms. Physical Review A 71.
Miller, D., et al., 2005. High-contrast interference in a thermal cloud of atoms. Physical Review A, 71(4).
D. Miller, et al., “High-contrast interference in a thermal cloud of atoms”, Physical Review A, vol. 71, 2005.
Miller, D., Anglin, J.R., Abo-Shaeer, J.R., Xu, K., Chin, J.K., Ketterle, W.: High-contrast interference in a thermal cloud of atoms. Physical Review A. 71, (2005).
Miller, David, Anglin, JR, Abo-Shaeer, JR, Xu, K, Chin, JK, and Ketterle, W. “High-contrast interference in a thermal cloud of atoms”. Physical Review A 71.4 (2005).
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