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Decay of Quantum Correlations in a Lattice by Heat Kernel Methods
Laurent Amour, Claudy Cancelier, Pierre Levy-Bruhl +1
We prove some estimations of the correlation of two local observables in quantum spin systems (with Schrödinger equations) at large temperature. For that, we describe the heat kern…
The dressed mobile atoms and ions
Laurent Amour, Benoit Grebert, Jean-Claude Guillot
We consider free atoms and ions in interacting with the quantized electromagnetic field. Because of the translation invariance we consider the reduced hamiltonian associated…
The dressed nonrelativistic electron in a magnetic field
L. Amour, B. Grebert, J. -C. Guillot
We consider a nonrelativistic electron interacting with a classical magnetic field pointing along the -axis and with a quantized electromagnetic field. When the interaction…