03-228 Derezinski J.
Van Hove Hamiltonians---exactly solvable models of the infrared and ultraviolet problem---revised version. (68K, LATex 2e) May 19, 03
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Abstract. Quadratic bosonic Hamiltonians with a linear perturbation are studied. Depending on the infrared and ultraviolet behavior of the perturbation, their properties are described from the point of view of spectral and scattering theory.

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