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Session Q34: Bose Gases

2:30 PM–5:30 PM, Wednesday, March 5, 2014
Room: 704

Sponsoring Unit: DAMOP
Chair: Michael Foss-Feig, JQI

Abstract ID: BAPS.2014.MAR.Q34.10

Abstract: Q34.00010 : Fermionized photons in one-dimensional coupled cavities*

4:18 PM–4:30 PM

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Authors:

David L. Feder
(University of Calgary)

Adam G. D'Souza
(University of Calgary)

Barry C. Sanders
(University of Calgary)

We consider the properties of a one-dimensional array of evanescently coupled high-finesse cavities each containing a single neutral atom, in the limit of low photon densities. The ground state of the corresponding Jaynes-Cummings-Hubbard (JCH) model is obtained numerically using the Density Matrix Renormalization Group algorithm. We find strong evidence for the existence of a Tonks-Girardeau phase, in which the photons are strongly fermionized, between the Mott-insulating and superfluid phases as a function of the inter-cavity coupling. Results for photon and spin excitation densities, one- and two-body correlation functions, and superfluid and condensate fractions are all found to be consistent with this conclusion.

*Supported by NSERC, AITF, and CIfAR

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2014.MAR.Q34.10