Many-body physics of slow light
arXiv:1404.3649 · doi:10.1103/PhysRevA.90.063837
Abstract
We present a quantum theory of slow light beyond the weak probe pulse approximation. By reduction of the full Hamiltonian of the system to an effective Hamiltonian for a single quantum field we demonstrate that the concept of dark-state polaritons can be introduced even if the linearized approach is no longer valid. The developed approach allows us to study the evolution of non-classical quantum states of the polariton field.
arXiv comment9 pages, 4 figures
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