@article{2375, abstract = {We give a Cwikel-Lieb-Rozenblum type bound on the number of bound states of Schrödinger operators with matrix-valued potentials using the functional integral method of Lieb. This significantly improves the constant in this inequality obtained earlier by Hundertmark.}, author = {Frank, Rupert L and Lieb, Élliott H and Robert Seiringer}, journal = {Letters in Mathematical Physics}, number = {2-3}, pages = {107 -- 116}, publisher = {Springer}, title = {{Number of bound states of Schrödinger operators with matrix-valued potentials}}, doi = {10.1007/s11005-007-0211-x}, volume = {82}, year = {2007}, }