No zero energy states for the supersymmetric x^2y^2 potential
arXiv:math-ph/0109032
Abstract
We show that the positive supersymmetric matrix-valued differential operator H={p_x}^2 + {p_y}^2 + x^2y^2 + xσ_3 + yσ_1 has no zero modes, i.e., H ψ= 0 implies ψ=0.
5 pages, 1 figure, LaTeX