Precise spectral asymptotics, exponential localization, and spectral gap estimates for the three-boson lattice Schrödinger operator

Janikul Abdullaev, Abdumalik Eshniyozov, Abdikhurayra Toshturdiev +1

We present a corrected strong-coupling Birman-Schwinger analysis of the three-boson lattice Schroedinger operator on Z^2 at the exceptional quasimomentum K=pi. First, we give an ex…