English

The light-front coupled-cluster method applied to $\phi_{1+1}^4$ theory

High Energy Physics - Phenomenology 2015-06-23 v1

Abstract

We use the light-front coupled-cluster (LFCC) method to compute the odd-parity massive eigenstate of ϕ1+14\phi_{1+1}^4 theory. A standard Fock-space truncation of the eigenstate yields a finite set of linear equations for a finite number of wave functions. The LFCC method replaces Fock-space truncation with a more sophisticated truncation; the eigenvalue problem is reduced to a finite set of nonlinear equations without any restriction on Fock space, but with restrictions on the Fock wave functions. We compare our results with those obtained with a Fock-space truncation.

Cite

@article{arxiv.1410.0613,
  title  = {The light-front coupled-cluster method applied to $\phi_{1+1}^4$ theory},
  author = {S. S. Chabysheva},
  journal= {arXiv preprint arXiv:1410.0613},
  year   = {2015}
}

Comments

8 pages, 1 figure; RevTeX 4.1; based on talk at Lightcone 2014 workshop, Raleigh, NC, May 26-30, 2014

R2 v1 2026-06-22T06:11:50.349Z