Name: Higher order coupled cluster approximation to the vacuum of Φ 4 field theory in 1+1 dimensions
Creator: Hermann G. Kümmel
Keywords: 4. Education, 0103 physical sciences, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article 15 Nov 1994 English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 50, pages 6,556-6,559 (issn: 0556-2821,

Authors: Hermann G. Kümmel;

doi: 10.1103/physrevd.50.6556

pmid: 10017625

Higher order coupled cluster approximation to the vacuum ofΦ4field theory in 1+1 dimensions

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Abstract

The [ital S][sub 6] approximation of the coupled cluster method is applied to the vacuum state, energy, and field expectation value of [Phi][sup 4] field theory in 1+1 dimensions. Depending on the quantities considered the results show good to excellent convergence.

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