Triple point in the O (2) ghost model with higher-order gradient term

Z. Péli, S. Nagy, K. Sailer

Research output: Contribution to journalArticle

Abstract

The phase structure and the infrared behavior of the Euclidean three-dimensional O(2) symmetric ghost scalar field φ has been investigated in Wegner and Houghton's renormalization group framework, including higher derivatives in the kinetic term. It is pointed out that higher-derivative coupling provides three phases and leads to a triple point in that RG scheme. The types of the phase transitions have also been identified.

Original languageEnglish
Article number065037
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume94
Issue number6
DOIs
Publication statusPublished - Sep 27 2016

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ghosts
scalars
gradients
kinetics

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Triple point in the O (2) ghost model with higher-order gradient term. / Péli, Z.; Nagy, S.; Sailer, K.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 94, No. 6, 065037, 27.09.2016.

Research output: Contribution to journalArticle

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