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A Hamiltonian lattice formulation of the nonlinear σ-model

✍ Scribed by Larry D. McLerran; Jorge F. Willemsen


Book ID
113339059
Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
215 KB
Volume
65
Category
Article
ISSN
0370-2693

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A Coupled-Cluster Formulation of Hamilto
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We apply the coupled cluster method (CCM) to the Hamiltonian version of the latticised O(4) nonlinear sigma model. The method, which was initially developed for the accurate description of quantum many-body systems, gives rise to two distinct approximation schemes. These approaches are compared with