A lower bound on the spectral gap of one-dimensional Schrödinger operators
arXiv:2102.03816 · doi:10.1007/s00013-022-01786-2
Abstract
In this note we provide an explicit lower bound on the spectral gap of one-dimensional Schrödinger operators with non-negative bounded potentials and subject to Neumann boundary conditions.
Improved results; title and text amended accordingly; comments welcome!
References in corpus (2)
Cited by in corpus (4)
- A lower bound on the spectral gap of one-dimensional Schrödinger operators
- A lower bound on the spectral gap of Schrödinger operators with weak potentials of compact support
- On the spectral gap of one-dimensional Schrödinger operators on large intervals
- On the spectral gap of the path graph in the limit of large volume