Abstract:
We consider a discrete Schrödinger operator for four arbitrary particles
with short-range pair potentials. We describe the position and the structure
of its essential spectrum and prove the Hunziker–van Winter–Zhislin
theorem.
Citation:
M. I. Muminov, “A Hunziker–van Winter–Zhislin theorem for a four-particle lattice Schrödinger operator”, TMF, 148:3 (2006), 428–443; Theoret. and Math. Phys., 148:3 (2006), 1236–1250