Nonperturbative renormalization group in a light-front three-dimensional real scalar model

Takanori Sugihara, Masanobu Yahiro

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)

抄録

The three-dimensional real scalar model, in which the [Formula presented] symmetry spontaneously breaks, is renormalized in a nonperturbative manner based on the Tamm-Dancoff truncation of Fock space. A critical line is calculated by diagonalizing the Hamiltonian regularized with basis functions. The marginal [Formula presented] coupling dependence of the critical line is weak. In the broken phase the canonical Hamiltonian is tachyonic, so the field is shifted as [Formula presented]. The shifted value [Formula presented] is determined as a function of running mass and coupling so that the mass of the ground state vanishes.

本文言語英語
ページ(範囲)2218-2226
ページ数9
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
55
4
DOI
出版ステータス出版済み - 1997
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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