Abstract:
Different regimes of collective light scattering are observed when an elongated Bose-Einstein condensate is pumped by two noninterfering beams counterpropagating along its long axis. In the limit of small Rayleigh scattering rates, the presence of a second pump beam suppresses superradiance, whereas at large Rayleigh scattering rates it lowers the effective threshold power for collective light scattering. In the latter regime, the quench dynamics of the two-beam system are oscillatory, compared to monotonic in the single-beam case. In addition, the dependence on power, detuning, and atom number is explored. The observed features of the two-beam system qualitatively agree with the recent theoretical prediction of a supersolid crystalline phase of light and matter at large Rayleigh scattering rates. © 2017 American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Observation of two-beam collective scattering phenomena in a Bose-Einstein condensate |
Autor: | Dimitrova, I.; Lunden, W.; Amato-Grill, J.; Jepsen, N.; Yu, Y.; Messer, M.; Rigaldo, T.; Puentes, G.; Weld, D.; Ketterle, W. |
Filiación: | Research Laboratory of Electronics, MIT-Harvard Center for Ultracold Atoms, Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, United States Department of Physics, Harvard University, Cambridge, MA 02138, United States Institute for Quantum Electronics, ETH Zurich, Zurich, 8093, Switzerland Université Pierre et Marie Curie (Paris 6), 4 place Jussieu, Paris, Cedex 05, 75 252, France Departamento de Física, FCEyN, UBA, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina Instituto de Física de Buenos Aires, UBA CONICET, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina Department of Physics, University of California, Santa Barbara, CA 93106, United States
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Palabras clave: | Light scattering; Rayleigh scattering; Statistical mechanics; Atom numbers; Bose-Einstein condensates; Counterpropagating; Crystalline phase; Scattering phenomenon; Single beam; Supersolids; Threshold power; Bose-Einstein condensation |
Año: | 2017
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Volumen: | 96
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Número: | 5
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DOI: |
http://dx.doi.org/10.1103/PhysRevA.96.051603 |
Título revista: | Physical Review A
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Título revista abreviado: | Phys. Rev. A
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ISSN: | 24699926
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v96_n5_p_Dimitrova |
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Citas:
---------- APA ----------
Dimitrova, I., Lunden, W., Amato-Grill, J., Jepsen, N., Yu, Y., Messer, M., Rigaldo, T.,..., Ketterle, W.
(2017)
. Observation of two-beam collective scattering phenomena in a Bose-Einstein condensate. Physical Review A, 96(5).
http://dx.doi.org/10.1103/PhysRevA.96.051603---------- CHICAGO ----------
Dimitrova, I., Lunden, W., Amato-Grill, J., Jepsen, N., Yu, Y., Messer, M., et al.
"Observation of two-beam collective scattering phenomena in a Bose-Einstein condensate"
. Physical Review A 96, no. 5
(2017).
http://dx.doi.org/10.1103/PhysRevA.96.051603---------- MLA ----------
Dimitrova, I., Lunden, W., Amato-Grill, J., Jepsen, N., Yu, Y., Messer, M., et al.
"Observation of two-beam collective scattering phenomena in a Bose-Einstein condensate"
. Physical Review A, vol. 96, no. 5, 2017.
http://dx.doi.org/10.1103/PhysRevA.96.051603---------- VANCOUVER ----------
Dimitrova, I., Lunden, W., Amato-Grill, J., Jepsen, N., Yu, Y., Messer, M., et al. Observation of two-beam collective scattering phenomena in a Bose-Einstein condensate. Phys. Rev. A. 2017;96(5).
http://dx.doi.org/10.1103/PhysRevA.96.051603