A Mourre estimate for a Schrodinger operator on a binary tree

Citation
C. Allard et N. Froese, A Mourre estimate for a Schrodinger operator on a binary tree, REV MATH PH, 12(12), 2000, pp. 1655-1667
Citations number
7
Categorie Soggetti
Physics
Journal title
REVIEWS IN MATHEMATICAL PHYSICS
ISSN journal
0129055X → ACNP
Volume
12
Issue
12
Year of publication
2000
Pages
1655 - 1667
Database
ISI
SICI code
0129-055X(200012)12:12<1655:AMEFAS>2.0.ZU;2-W
Abstract
Let G be a binary tree with vertices V and H be a Schrodinger operator acti ng on l(2)(V). A decomposition of the space l(2)(V) into invariant subspace s is exhibited yielding a conjugate operator A for use in the Mourre estima te. We show that for potentials q satisfying a first order difference decay condition, a Mourre estimate for H holds.