English

Weakly coupled Schroedinger operators on regular metric trees

Mathematical Physics 2010-05-05 v1 math.MP

Abstract

Spectral properties of the Schroedinger operator Aλ=Δ+λVA_{\lambda} = -\Delta +\lambda V on regular metric trees are studied. It is shown that as λ\lambda goes to zero the behavior of the negative eigenvalues of AλA_{\lambda} depends on the global structure of the tree.

Keywords

Cite

@article{arxiv.math-ph/0608013,
  title  = {Weakly coupled Schroedinger operators on regular metric trees},
  author = {Hynek Kovarik},
  journal= {arXiv preprint arXiv:math-ph/0608013},
  year   = {2010}
}