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cond-mat.stat-mech2000
Gauge Invariant Formulations of Dicke-Preparata Super-Radiant Models
S. Somu, A. Widom, Y. N. Srivastava
In a gauge invariant formulation of the molecular electric dipole-photon interaction, the rigorous coupling is strictly linear in the photon creation and photon annihilation operat…
cond-mat.stat-mech2000
Rotating Atomic Traps for Bosons and the Centrifuge Effect
T. Majmudar, A. Widom
A rigorous time independent Hamiltonian for rotating atomic traps is discussed. The steady states carry a mass current and thereby an angular momentum. It is shown that the rotatio…