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From Asymptotic Freedom Toward Heavy Quarkonia Within the Renormalization-Group Procedure for Effective Particles

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Abstract

The renormalization group procedure for effective particles (RGPEP), developed as a nonperturbative tool for constructing bound states in quantum field theories, is applied to QCD. The approach stems from the similarity renormalization group and introduces the concept of effective particles. It has been shown that the RGPEP passes the test of exhibiting asymptotic freedom. We present the running of the Hamiltonian coupling constant with the renormalization-group scale and we summarize the basic elements needed in the formulation of the bound-state problem.

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Authors and Affiliations

  1. European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*), Strada delle Tabarelle, 286, 38123, Villazzano, TN, Italy

    María Gómez-Rocha

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  1. María Gómez-Rocha
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Correspondence to María Gómez-Rocha.

Additional information

This article belongs to the Topical Collection “Light Cone 2016”.

Invited talk given at Light Cone 2016, IST, Universidade de Lisboa, Portugal, September 5–8 2016.

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Gómez-Rocha, M. From Asymptotic Freedom Toward Heavy Quarkonia Within the Renormalization-Group Procedure for Effective Particles. Few-Body Syst 58, 65 (2017). https://doi.org/10.1007/s00601-017-1218-1

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