Abstract
This paper will review the techniques which have been used to overcome the problems in applying Monte Carlo to fermion systems. They include the “fixed node approximation”; a projection method often called “transient estimation”; a method, applicable to few-body systems in which the appropriate Green’s functions are cancelled in part; several proposals for optimizing the unknown nodal surface; and removing a set of configurations in such a way as to minimize the effect upon expectations for fermion systems.
The successes achieved and the problems which remain will be outlined.
Supported by the U.S. Department of Energy under Grant AC 02-79ER10353.
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Kalos, M.H. (1984). Optimization and the Many-Fermion Problem. In: Kalos, M.H. (eds) Monte Carlo Methods in Quantum Problems. NATO ASI Series, vol 125. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6384-9_3
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