2021
DOI: 10.1103/physrevd.104.085011
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Towards perturbative renormalization of ϕ2(iϕ)ϵ quantum field theory

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Cited by 14 publications
(7 citation statements)
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“…4π 2 γ − 1 + log a 2 = 0 (58) 9 One loop involving two Yukawa vertices contributes to the fermion self-energy (see fig. 1(a)).…”
Section: Dynamical Mass Generationmentioning
confidence: 99%
See 1 more Smart Citation
“…4π 2 γ − 1 + log a 2 = 0 (58) 9 One loop involving two Yukawa vertices contributes to the fermion self-energy (see fig. 1(a)).…”
Section: Dynamical Mass Generationmentioning
confidence: 99%
“…For purely bosonic theories the path integral has been used to derive a novel nonperturbative expansion for timeordered Green functions [8][9][10]. In [10] it has been emphasised that renormalisation may lead to features of nonHermiticity to arise, even when the starting point lies within a Hermitian framework.…”
mentioning
confidence: 99%
“…This paper presents new classes of solutions for the case in which the Euclidean spacetime dimension D is noninteger and the power of the scalar interaction may differ from four. Generalizing the power of the interaction is natural in the context of the δ-expansion [16][17][18] approach to quantum field theory and in the field of P T -symmetric quantum field theory [19][20][21][22][23][24][25][26]. Thus, instead of action (2), we consider the more general action…”
Section: Introductionmentioning
confidence: 99%
“…Examples include: non-Hermitian deformations of the Dirac Lagrangian with a parity-odd, anti-Hermitian mass term [13][14][15][16][17] (see also Ref. [18]), theories of massive second-order fermions [19,20], scalar [16,17,[21][22][23] and fermionic [14,22,24] field theories with non-Hermitian mass mixing matrices, non-Hermitian Yukawa theories [14,[25][26][27][28], scalar theories with complex [29][30][31][32][33][34][35][36] or wrong-sign [37][38][39] self-interactions, theories exhibiting spontaneous symmetry breaking [40][41][42][43][44][45][46] and topological defects [47][48][49][50][51], holographic settings [52,53], and non-Hermitian Dirac materials in the context of condensed matter physics…”
Section: Introductionmentioning
confidence: 99%