The ‘Higgs’ amplitude mode at the two-dimensional superfluid/Mott insulator transition

Manuel Endres (), Takeshi Fukuhara, David Pekker, Marc Cheneau, Peter Schauβ, Christian Gross, Eugene Demler, Stefan Kuhr and Immanuel Bloch
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Manuel Endres: Max-Planck-Institut für Quantenoptik
Takeshi Fukuhara: Max-Planck-Institut für Quantenoptik
David Pekker: California Institute of Technology
Marc Cheneau: Max-Planck-Institut für Quantenoptik
Peter Schauβ: Max-Planck-Institut für Quantenoptik
Christian Gross: Max-Planck-Institut für Quantenoptik
Eugene Demler: Harvard University
Stefan Kuhr: Max-Planck-Institut für Quantenoptik
Immanuel Bloch: Max-Planck-Institut für Quantenoptik

Nature, 2012, vol. 487, issue 7408, 454-458

Abstract: A ‘Higgs’ mode, signifying the breaking of a continuous symmetry in a model with emergent Lorentz invariance, is found close to the transition to the Mott insulating phase in a two-dimensional neutral superfluid.

Date: 2012
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DOI: 10.1038/nature11255

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