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Coherent Light Scattering from a Two-Dimensional Mott Insulator

Weitenberg, Christof and Schauß, Peter and Fukuhara, Takeshi and Cheneau, Marc and Endres, Manuel and Bloch, Immanuel and Kuhr, Stefan (2011) Coherent Light Scattering from a Two-Dimensional Mott Insulator. Physical Review Letters, 106 (21). Art. No. 215301. ISSN 0031-9007.

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We experimentally demonstrate coherent light scattering from an atomic Mott insulator in a two-dimensional lattice. The far-field diffraction pattern of small clouds of a few hundred atoms was imaged while simultaneously laser cooling the atoms with the probe beams. We describe the position of the diffraction peaks and the scaling of the peak parameters by a simple analytic model. In contrast to Bragg scattering, scattering from a single plane yields diffraction peaks for any incidence angle. We demonstrate the feasibility of detecting spin correlations via light scattering by artificially creating a one-dimensional antiferromagnetic order as a density wave and observing the appearance of additional diffraction peaks.

Item Type:Article
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URLURL TypeDescription Paper InPhysics: Viewpoint
Endres, Manuel0000-0002-4461-224X
Additional Information:© 2011 American Physical Society. Received 18 February 2011; revised manuscript received 24 March 2011; published 23 May 2011. We acknowledge funding by MPG, DFG, Stiftung Rheinland-Pfalz für Innovation, Carl-Zeiss Stiftung, EU (NAMEQUAM, AQUTE, Marie Curie Fellowship to M. C.), and JSPS (Postdoctoral Fellowship for Research Abroad to T. F.).
Funding AgencyGrant Number
Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
Stiftung Rheinland-Pfalz für InnovationUNSPECIFIED
Carl-Zeiss StiftungUNSPECIFIED
European Research Council (ERC)UNSPECIFIED
Marie Curie FellowshipUNSPECIFIED
Japan Society for the Promotion of Science (JSPS)UNSPECIFIED
Issue or Number:21
Classification Code:PACS numbers: 67.85.-d, 37.10.Jk, 42.25.Fx, 42.50.Ar
Record Number:CaltechAUTHORS:20160527-104431656
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Official Citation:Coherent Light Scattering from a Two-Dimensional Mott Insulator Christof Weitenberg, Peter Schauß, Takeshi Fukuhara, Marc Cheneau, Manuel Endres, Immanuel Bloch, and Stefan Kuhr Phys. Rev. Lett. 106, 215301 (2011) – Published 23 May 2011
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67442
Deposited By: Ruth Sustaita
Deposited On:27 May 2016 18:20
Last Modified:30 Oct 2019 19:33

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