EPJ Web Conf.
Volume 125, 201619th International Seminar on High Energy Physics (QUARKS-2016)
|Number of page(s)||6|
|Section||5. Modern field theory and selected aspects of mathematical physics|
|Published online||28 October 2016|
Critical behavior of U(n)-χ4-model with antisymmetric tensor order parameter coupled with magnetic field
St. Petersburg State University, Uljanovskaja 1, St. Petersburg, Petrodvorez, 198504 Russia
Published online: 28 October 2016
The critical behavior of U(n)-χ4-model with antisymmetric tensor order parameter at charged regime is studied by means of the field theoretic renormalization group (RG) at the leading order of ε-expansion (one-loop approximation). It is shown that RG equations have no infrared (IR) attractive charged fixed points. It is also shown that anomalous dimension of the order parameter in charged regime appears to be gauge dependent.
© The Authors, published by EDP Sciences, 2016
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