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Open Quantum Systems Decoherence
Quantum Simulation
Elimination of the A-square problem from cavity QED
arXiv
Authors: András Vukics, Tobias Grießer, Peter Domokos
Year
2013
Paper ID
32420
Status
Preprint
Abstract Read
~2 min
Abstract Words
77
Citations
N/A
Abstract
We generalize the Power-Zineau-Woolley transformation to obtain a canonical Hamiltonian of cavity quantum electrodynamics for arbitrary geometry of boundaries. This Hamiltonian is free from the A-square term and the instantaneous Coulomb interaction between distinct atoms. The single-mode models of cavity QED (Dicke, Tavis-Cummings, Jaynes-Cummings) are justified by a term by term mapping to the proposed microscopic Hamiltonian. As one straightforward consequence, the basis of no-go argumentations concerning the Dicke phase transition with atoms in electromagnetic fields dissolves.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- We generalize the Power-Zineau-Woolley transformation to obtain a canonical Hamiltonian of cavity quantum electrodynamics for arbitrary geometry of boundaries.
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