Absence of bound states for weakly attractive delta-prime interactions on bounded curves
Let Λ⊂R2\Lambda\subset\mathbb R^2Λ⊂R2 be any bounded curve, and let HωΛ\mathsf{H}^\Lambda_\omegaHωΛ denote the operator with constant interaction strength ω∈R\omega\in\mathbb Rω∈R. Weak-coupling…