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IMPS_tools

Matrix Product State algorithms for 1) ground states and 2) elementary excitations in the thermodynamic limit.

  1. Implementation of the ground state algorithm (VUMPS) presented in https://arxiv.org/abs/1701.07035. Available are single-site unit-cell and both sequential and parallel multi-site unit-cell implementations

  2. Implementation of the excitation algorithm (Excitations) presented in https://arxiv.org/abs/1103.2286. Available are single-site unit-cell and multi-site unit-cell implementations

Installation

be sure to add the 'helpers' folder to your Path.