About the exactness of the linear response theory |
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Authors: | D. Goderis A. Verbeure P. Vets |
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Affiliation: | (1) Instituut voor Theoretische Fysica, Universiteit Leuven, B-3001 Leuven, Belgium;(2) Present address: Onderzoeker IIKW, Belgium |
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Abstract: | For quantum lattice systems with finite range potentials and integrable space clustering, we prove the linearity of the response theory when dealing with fluctuation observables. |
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