Draxler, Damian; Haegeman, Jutho; Osborne, Tobias J.; Stojevic, Vid; Vanderstraeten, Laurens; Verstraete, Frank
(College Park, MD : American Physical Society, 2013)
We introduce a variational method for calculating dispersion relations of translation invariant (1+1)-dimensional quantum field theories. The method is based on continuous matrix product states and can be implemented ...