Efimov States of Strongly Interacting Photons - Kölner UniversitätsPublikationsServer

Gullans, M. J., Diehl, S., Rittenhouse, S. T., Ruzic, B. P., D'Incao, J. P., Julienne, P., Gorshkov, A. V. and Taylor, J. M. (2017). Efimov States of Strongly Interacting Photons. Phys. Rev. Lett., 119 (23). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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DOI:10.1103/PhysRevLett.119.233601

Abstract

We demonstrate the emergence of universal Efimov physics for interacting photons in cold gases of Rydberg atoms. We consider the behavior of three photons injected into the gas in their propagating frame, where a paraxial approximation allows us to consider them as massive particles. In contrast to atoms and nuclei, the photons have a large anisotropy between their longitudinal mass, arising from dispersion, and their transverse mass, arising from diffraction. Nevertheless, we show that, in suitably rescaled coordinates, the effective interactions become dominated by s-wave scattering near threshold and, as a result, give rise to an Efimov effect near unitarity. We show that the three-body loss of these Efimov trimers can be strongly suppressed and determine conditions under which these states are observable in current experiments. These effects can be naturally extended to probe few-body universality beyond three bodies, as well as the role of Efimov physics in the nonequilibrium, many-body regime.

Item Type:

Journal Article

Creators:

Creators	Email	ORCID	ORCID Put Code
Gullans, M. J.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Diehl, S.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Rittenhouse, S. T.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Ruzic, B. P.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
D'Incao, J. P.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Julienne, P.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Gorshkov, A. V.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Taylor, J. M.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED