Anisotropic Lavine's formula and symmetrised time delay in scattering theory

Details Anisotropic Lavine's formula and symmetrised time delay in scattering theory Anisotropic Lavine's formula and symmetrised time delay in scattering theory

2007-09-30

arxiv.org/abs/0710.0146v1

Physics

Mathematical Physics

19 pages, 2 figures

Scientific paper

10.1007/s11040-008-9045-8

We consider, in quantum scattering theory, symmetrised time delay defined in terms of sojourn times in arbitrary spatial regions symmetric with respect to the origin. For potentials decaying more rapidly than $|x|^{-4}$ at infinity, we show the existence of symmetrised time delay, and prove that it satisfies an anisotropic version of Lavine's formula. The importance of an anisotropic dilations-type operator is revealed in our study.

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