Abstract:
Two-sided variational estimates are obtained for some eigenvalues of a system of
particles bound by a monotonic potential −|ri−rj|−1. The relative error in the determination of the smallest eigenvalue of the antisymmetric state of this system is reduced to ±0,16.
Citation:
O. Ya. Savchenko, “Estimates of the eigenvalues of the Schrödinger equation for a system of interacting particles. I”, TMF, 35:3 (1978), 386–391; Theoret. and Math. Phys., 35:3 (1978), 530–534