One particle subspaces for two particle quantum walks with ultralocal interaction

#### V.A. Malyshev, A.A. Zamyatin

2018, v.24, №2, 229-253

ABSTRACT

We study one particle subspaces for two particles of different masses
with ultra local interaction on a lattice of arbitrary dimension.

Keywords: one particle subspace, quantum walk, bound state, discrete Hamiltonian