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2007-6-11 · We consider N = 1 supersymmetric gauge theories in which the couplings are allowed to be space-time dependent functions. Both the gauge and the superpotential couplings become chiralsuper elds. Ashasrecentlybeenshown,anewtopological anomalyappearsinmodelswith space-time dependent gauge coupling. Here we show how this anomaly may be used to derive
Get PriceThere have been known 'exact' beta functions for the gauge coupling in N=1 supersymmetric gauge theories, the so-called NSVZ beta functions.
Get PriceGauge coupling beta functions in the Standard Model Matthias Steinhauser by β1 = α2 1 (4π)2 ˆ 2 5 + 16nG 3 ˙ + α2 1 (4π)3 ˆ 18α1 25 + 18α2 5 − 34trTˆ 5 −2trB ˆ−6trL+nG 76α1 15 + 12α2 5 + 176α3 15 ˙ + α2 1 (4π)4 ˆ 489α2 1 2000 + 783α1α2 200 + 3401α2 2 80 + 54α1λˆ 25 + 18α2λˆ 5 − 36λˆ 2 5 − 2827α1trTˆ 200 − 471α2trTˆ 8 − 116α3trTˆ 5 − 1267α1trBˆ 200 − 1311α2trBˆ 40 −
Get Price1982-5-24 · The functions c,(C)(o-), -c,(C)(r) and the ratio A(C)/AE of the lattice scale parameters (tl) versus 1/~ for (a) N = 2 and (b) N = 3. F. Karsch SU(N) gauge theory couplings 293 -0.06798 , N = 2 , (2.26c) -10.15405, N = 3 ; obtained in ref. [14]. Finally we calculate the derivatives of the couplings gQ2 (a,) and g f Z (a, 6) with respect to e.
Get PriceWe evaluate the one-loop dilation operator in the scalar sector of the mathcal{N} = {2} superconformal quiver with SU(N c ) × SU(N č ) gauge group, for N c ≡ N č . Both gauge couplings g ...
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Get Price2020-6-24 · These two functions play an important role in the study of topo- logically twisted four-dimensional ( mathcal{N} ) = 2 supersymmetric gauge theories and in the computation of central charges of ( mathcal{N} ) = 2 superconformal theories. In this paper, we compute A and B from the partition function in the Ω-background for SU(2) gauge theories. Our results not only confirm the predicted expressions of the effective gravitational couplings…
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Get PriceThe low energy effective couplings of a four-dimensional N = 2 supersymmetric gauge theory to topological invariants of the background gravitational field are described by two functions A and B. These two functions play an important role in the study of topo- logically twisted four-dimensional N = 2 supersymmetric gauge theories and in the computation of central charges of N = 2 superconformal ...
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Get Price2019-12-10 · Title: Effective gravitational couplings of four-dimensional mathcal{N}=2 supersymmetric gauge theories Authors: Jan Manschot , Gregory W. Moore , Xinyu Zhang Download PDF
Get Price2014-10-9 · nomenological one. The three gauge couplings of the Standard Model and their scale dependence is studied. A plot of the inverses of the cou-plings as a function of energy is produced. It is noted that the couplings get near each other at an energy scale of approximately 1016 GeV but yet do not meet each other.
Get Price2012-8-20 · SFB/CPP-12-61, TTP12-30 Renormalization constants and beta functions for the gauge couplings of the Standard Model to three-loop order Luminita N. Mihaila, Jens Salomon, Matthias Steinhauser1 1Institut fu¨r Theoretische Teilchenphysik, Karlsruhe Institute of Technology (KIT), D-76128 Karlsruhe, Germany
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Get PriceWe consider Script N = 1 supersymmetric gauge theories in which the couplings are allowed to be space-time dependent functions. Both the gauge and the superpotential couplings become chiral superfields. As has recently been shown, a new topological anomaly appears in models with space-time dependent gauge coupling. Here we show how this anomaly may be used to derive the NSVZ β-function in a ...
Get Price2019-12-10 · Title: Effective gravitational couplings of four-dimensional mathcal{N}=2 supersymmetric gauge theories Authors: Jan Manschot , Gregory W. Moore , Xinyu Zhang (Submitted on 9 Dec 2019 ( v1 ), last revised 24 Dec 2019 (this version, v2))
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Get Price2020-11-29 · The finiteness of all the Green functions is based on supersymmetry and gauge invariance and is achieved by a proper choice of matter content of the theory and Yukawa couplings in the form y i = f i (ε)g, where g is the gauge coupling, and the function f i (ε) is regular at ε = 0 and is calculated in perturbation theory. Necessary and ...
Get Price2017-10-12 · Consider an N = 1 supersymmetric Yang-Mills theory, with simple gauge group. If the following conditions are satisfied 1. There is no gauge anomaly. 2. The gauge -function vanishes at one-loop (1) g = 0 = X i l(Ri) 3 C2(G): 3. There exist solutions of the form Cijk = ˆijkg; ˆijk 2CI to the conditions of vanishing one-loop matter fields ...
Get Price2009-7-4 · N= 1 supersymmetric models with gauge group SU(N c). We represent the matter multiplets with chiral super elds, Qi 2R(and Q~ i 2R~ ), where ‘i’is the flavour index, and ‘ ’ is the gauge index. The kinetic microscopic action for the model is given by L kin = 1 4 fTrW W ,wherefis the gauge kinetic function …
Get PriceBPS Spectra and Non--Perturbative Couplings in N=2,4 Supersymmetric String Theories. Nuclear Physics B, 1995. Gabriel Cardoso. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.
Get Price2017-11-5 · Using the idea of the 'abelization' of the monopole vacuum in the SU(N) lattice gauge theories, we have developed a method of theoretical estimation ofthe SU(N) critical couplings (see Section 3). Investigating the phase transition in the dual Higgs monopole model, we have pursued two objects. From one side, we had an aim to explain the lattice ...
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Get Price2021-5-3 · • orbifold point of N= 4, where we take all the couplings equal g I = g; • N= 2 SCQCD with a single gauge group SU(N) and 2N avours, which can be obtained by switching o all the couplings except one (g 1 = g;g I6=1 = 0). In this sense the A q 1 quiver theories can be seen as the N= 2 theories which are closest to N= 4.
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