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math-ph2006★ 5 cited
Stability and Related Properties of Vacua and Ground States
Walter Wreszinski, Christian Jaekel
We consider the formal non relativistc limit (nrl) of the :ϕ^4:_{s+1} relativistic quantum field theory (rqft), where s is the space dimension. Following work of R. Jackiw, we show…
math-ph2006★ 24 cited
Diagonalization of an Integrable Discretization of the Repulsive Delta Bose Gas on the Circle
J. F. van Diejen
We introduce an integrable lattice discretization of the quantum system of n bosonic particles on a ring interacting pairwise via repulsive delta potentials. The corresponding (fin…