Energy-momentum tensor from the yang-mills gradient flow

研究成果: Contribution to journalArticle査読

95 被引用数 (Scopus)

抄録

The product of gauge fields generated by the Yang-Mills gradient flow for positive flow times does not exhibit the coincidence-point singularity and a local product is thus independent of the regularization. Such a local product can furthermore be expanded by renormalized local operators at zero flow time with finite coefficients that are governed by renormalization group equations. Using these facts, we derive a formula that relates the small flow-time behavior of certain gauge-invariant local products and the correctly-normalized conserved energy-momentum tensor in the Yang-Mills theory. Our formula provides a possible method to compute the correlation functions of a well-defined energy-momentum tensor by using lattice regularization and Monte Carlo simulation.

本文言語英語
論文番号083B03
ジャーナルProgress of Theoretical and Experimental Physics
2013
8
DOI
出版ステータス出版済み - 8 2013
外部発表はい

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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