Excited states by quantum Monte Carlo method

D. Blume, M. Lewerenz and K.B. Whaley

Mathematics and Computers in Simulation (MATCOM), 1998, vol. 47, issue 2, 133-141

Abstract: We present applications of a new Monte Carlo algorithm for the calculation of excited state energies of multi-dimensional quantum systems. The method relies on computation of imaginary time correlation functions of appropriately chosen projection operators, followed by a numerical inverse Laplace transformation performed with the maximum entropy method.

Keywords: Monte Carlo algorithms; Excited state energies; Multi-dimensional quantum systems; Projection operator (search for similar items in EconPapers)
Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:47:y:1998:i:2:p:133-141

DOI: 10.1016/S0378-4754(98)00098-6

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