A renormalization group approach for QCD in a strong magnetic field

Kojo T, Su N (2013)
Physics Letters B 726(4-5): 839-845.

Journal Article | Published | English

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Abstract
A Wilsonian renormalization group approach is applied, in order to include effects of the higher Landau levels for quarks into a set of renormalized parameters for the lowest Landau level (LLL), plus a set of operators made of the LLL fields. Most of the calculations can be done in a model-independent way with perturbation theory for hard gluons, thanks to form factors of quark-gluon vertices that arise from the Ritus bases for quark fields. As a part of such renormalization program, we compute the renormalized quark self-energy at 1-loop, including effects from all higher orbital levels. The result indicates that the higher orbital levels cease to strongly affect the LLL at a rather small magnetic field of (0.1-0.3) GeV2. (C) 2013 Elsevier B.V. All rights reserved.
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Kojo T, Su N. A renormalization group approach for QCD in a strong magnetic field. Physics Letters B. 2013;726(4-5):839-845.
Kojo, T., & Su, N. (2013). A renormalization group approach for QCD in a strong magnetic field. Physics Letters B, 726(4-5), 839-845.
Kojo, T., and Su, N. (2013). A renormalization group approach for QCD in a strong magnetic field. Physics Letters B 726, 839-845.
Kojo, T., & Su, N., 2013. A renormalization group approach for QCD in a strong magnetic field. Physics Letters B, 726(4-5), p 839-845.
T. Kojo and N. Su, “A renormalization group approach for QCD in a strong magnetic field”, Physics Letters B, vol. 726, 2013, pp. 839-845.
Kojo, T., Su, N.: A renormalization group approach for QCD in a strong magnetic field. Physics Letters B. 726, 839-845 (2013).
Kojo, Toru, and Su, Nan. “A renormalization group approach for QCD in a strong magnetic field”. Physics Letters B 726.4-5 (2013): 839-845.
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