Tunneling for a class of difference operators

22.07.2026  –  2.09.2.22
Institutskolloquium

Elke Rosenberg (Uni Potsdam)

For a general class of difference operators on a scaled lattice with multi-well potential I present a full asymptotic expansion for the discrete tunneling, i.e. the exponentially small eigenvalue splitting due to interactions between two wells of the potential energy.