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Six-loop ε expansion study of three-dimensional n-vector model with cubic anisotropy. / Adzhemyan , Loran Ts.; Ivanova , Ella V.; Kompaniets, Mikhail V.; Kudlis, Andrey; Sokolov, Aleksandr I.

в: Nuclear Physics B, Том 940, 2019, стр. 332-350.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{a52ffd4d9003417ab841745a51721799,
title = "Six-loop ε expansion study of three-dimensional n-vector model with cubic anisotropy",
abstract = "The six-loop expansions of the renormalization-group functions of ϕ4 n-vector model with cubic anisotropy are calculated within the minimal subtraction (MS) scheme in 4 −ε dimensions. The ε expansions for the cubic fixed point coordinates, critical exponents corresponding to the cubic universality class and marginal order parameter dimensionality nc separating different regimes of critical behavior are presented. Since the ε expansions are divergent numerical estimates of the quantities of interest are obtained employing proper resummation techniques. The numbers found are compared with their counter-parts obtained earlier within various field-theoretical approaches and by lattice calculations. In particular, our analysis of nc strengthens the existing arguments in favor of stability of the cubic fixed point in the physical case n = 3.",
author = "Adzhemyan, {Loran Ts.} and Ivanova, {Ella V.} and Kompaniets, {Mikhail V.} and Andrey Kudlis and Sokolov, {Aleksandr I.}",
year = "2019",
doi = "10.1016/j.nuclphysb.2019.02.001",
language = "English",
volume = "940",
pages = "332--350",
journal = "Nuclear Physics B",
issn = "0550-3213",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Six-loop ε expansion study of three-dimensional n-vector model with cubic anisotropy

AU - Adzhemyan , Loran Ts.

AU - Ivanova , Ella V.

AU - Kompaniets, Mikhail V.

AU - Kudlis, Andrey

AU - Sokolov, Aleksandr I.

PY - 2019

Y1 - 2019

N2 - The six-loop expansions of the renormalization-group functions of ϕ4 n-vector model with cubic anisotropy are calculated within the minimal subtraction (MS) scheme in 4 −ε dimensions. The ε expansions for the cubic fixed point coordinates, critical exponents corresponding to the cubic universality class and marginal order parameter dimensionality nc separating different regimes of critical behavior are presented. Since the ε expansions are divergent numerical estimates of the quantities of interest are obtained employing proper resummation techniques. The numbers found are compared with their counter-parts obtained earlier within various field-theoretical approaches and by lattice calculations. In particular, our analysis of nc strengthens the existing arguments in favor of stability of the cubic fixed point in the physical case n = 3.

AB - The six-loop expansions of the renormalization-group functions of ϕ4 n-vector model with cubic anisotropy are calculated within the minimal subtraction (MS) scheme in 4 −ε dimensions. The ε expansions for the cubic fixed point coordinates, critical exponents corresponding to the cubic universality class and marginal order parameter dimensionality nc separating different regimes of critical behavior are presented. Since the ε expansions are divergent numerical estimates of the quantities of interest are obtained employing proper resummation techniques. The numbers found are compared with their counter-parts obtained earlier within various field-theoretical approaches and by lattice calculations. In particular, our analysis of nc strengthens the existing arguments in favor of stability of the cubic fixed point in the physical case n = 3.

UR - http://www.scopus.com/inward/record.url?scp=85061133664&partnerID=8YFLogxK

U2 - 10.1016/j.nuclphysb.2019.02.001

DO - 10.1016/j.nuclphysb.2019.02.001

M3 - Article

VL - 940

SP - 332

EP - 350

JO - Nuclear Physics B

JF - Nuclear Physics B

SN - 0550-3213

ER -

ID: 38658858