Scaling behavior in the adiabatic Dicke Model
G. Liberti, F. Plastina, F. Piperno
Abstract
We analyze the quantum phase transition for a set of N-two level systems interacting with a bosonic mode in the adiabatic regime. Through the Born-Oppenheimer approximation, we obtain the finite-size scaling expansion for many physical observables and, in particular, for the entanglement content of the system.
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