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230628|2022 gw s a eng d |
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|a 10.1140/epjc/s10052-022-09990-8
|2 doi
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|b rus
|c RU-ToGU
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|a Buchbinder, Ioseph L.
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|a On a structure of the one-loop divergences in 4D harmonic superspace sigma-model
|c I. L. Buchbinder, A. S. Budekhina, B. S. Merzlikin
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|a Текст
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|a электронный
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|a Библиогр.: 45 назв.
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|a We study the quantum structure of four-dimensional N = 2 superfield sigma-model formulated in harmonic superspace in terms of the omega-hypermultiplet superfield omega. The model is described by harmonic superfield sigma-model metric g(ab)(omega) and two potential-like super-fields L-a(+)+(omega) and L(+4)(omega). In bosonic component sector this model describes some hyper-Miller manifold. The manifestly N = 2 supersymmetric covariant backgroundquantum splitting is constructed and the superfield propertime technique is developed to calculate the one-loop effective action. The one-loop divergences of the superfield effective action are found for arbitrary g(ab)(omega), L-a(+)+(omega), L(+4)(omega), where some specific analogy between the algebra of covariant derivatives in the sigma-model and the corresponding algebra in the N = 2 SYM theory is used. The component structure of divergences in the bosonic sector is discussed.
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|a суперпространство
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|a квантовая структура
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|a сигма-модели
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|a статьи в журналах
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|a Budekhina, A. S.
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|a Merzlikin, Boris S.
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|t The European physical journal C
|d 2022
|g Vol. 82, № 1. P. 19 (1-10)
|x 1434-6044
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|a RU-ToGU
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|u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001004092
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