Markus Schoeder, Jose-Luis Carreon-Macedo, and Alex Brown
Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2G2, Canada
Abstract
We have extended a previously implemented algorithm for using optimal control theory within the multiconfigurational time-dependent Hartree (MCTDH) software. The new implementation allows the use of arbitrary dipole operators for generating the optimal laser field. A variant that does not require saving the time-dependent wave function has been developed, where simultaneous forward and backward propoagations are performed. Input parameters are concentarted in a single input file analogous to the input files used elsewhere in MCTDH. We use here two simple examples to demonstrate the use of OCT-MCTDH: the modified Henon-Heiles potential and a two-dimensional model of acetylene. For both systems, a controlled transition between two vibrational states is tested. Results obtained with MCTDH and exact calculations are compared.
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Last updated Jan. 28, 2008.