Exponential bounds and absence of positive eigenvalues forN-body Schrödinger operators
- 1 December 1982
- journal article
- Published by Springer Science and Business Media LLC in Communications in Mathematical Physics
- Vol. 87 (3), 429-447
- https://doi.org/10.1007/bf01206033
Abstract
For a large class ofN-body potentialsV we prove that if ϕ is an eigenfunction of −δ+V with eigenvalueE then sup{α2+E:α≧0, exp(α|x|)ϕ∈L 2} is either a threshold or +∞. Consequences of this result are the absence of positive eigenvalues and “optimal”L 2-exponential lower bounds.Keywords
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