We report the Bragg spectroscopy of interacting one-dimensional Bose gases loaded in an optical lattice across the superfluid to the Mott-insulator phase transition. Elementary excitations are created with a nonzero momentum and the response of the correlated 1D gases is in the linear regime. The complexity of the strongly correlated quantum phases is directly displayed in the spectra which exhibit novel features. This work paves the way for a precise characterization of the state of correlated gases in optical lattices.

Exploring correlated 1D Bose gases from the superfluid to the Mott-insulator state by inelastic light scattering / D. Clément; N. Fabbri; L. Fallani; C. Fort; M. Inguscio. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 102:(2009), pp. 155301-1-155301-4. [10.1103/PhysRevLett.102.155301]

Exploring correlated 1D Bose gases from the superfluid to the Mott-insulator state by inelastic light scattering

FABBRI, NICOLE;FALLANI, LEONARDO;FORT, CHIARA;INGUSCIO, MASSIMO
2009

Abstract

We report the Bragg spectroscopy of interacting one-dimensional Bose gases loaded in an optical lattice across the superfluid to the Mott-insulator phase transition. Elementary excitations are created with a nonzero momentum and the response of the correlated 1D gases is in the linear regime. The complexity of the strongly correlated quantum phases is directly displayed in the spectra which exhibit novel features. This work paves the way for a precise characterization of the state of correlated gases in optical lattices.
102
155301-1
155301-4
D. Clément; N. Fabbri; L. Fallani; C. Fort; M. Inguscio
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2158/386479
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