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Title: Quantum lattice-gas models for the many-body schroedinger equation

Journal Article · · International Journal of Modern Physics C
 [1];  [2]
  1. Boston Univ., MA (United States)
  2. Princeton Univ., NJ (United States)

A general class of discrete unitary models are described whose behavior in the continuum limit corresponds to a many-body Schroedinger equation. On a quantum computer, these models could be used to simulate quantum many-body systems with an exponential speedup over analogous simulations on classical computers. On a classical computer, these models give an explicitly unitary and local prescription for discretizing the Schroedinger equation. It is shown that models of this type can be constructed for an arbitrary number of particles moving in an arbitrary number of dimensions with an arbitrary interparticle interaction.

DOE Contract Number:
FG02-88ER25066; FC02-94ER40818
OSTI ID:
570222
Journal Information:
International Journal of Modern Physics C, Vol. 8, Issue 4; Other Information: PBD: Aug 1997
Country of Publication:
USSR
Language:
English

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