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Related papers: Emergent Supersymmetry at Large $N$

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We examine many SO(10) models for their viability or otherwise in explaining all the fermion masses and mixing angles. This study is carried out for both supersymmetric and non-supersymmetric models and with minimal ($10+\bar{126}$) and…

High Energy Physics - Phenomenology · Physics 2011-05-12 Anjan S. Joshipura , Ketan M. Patel

I review the Thirring model in 2+1$d$ dimensions, focussing in particular on possible strongly-interacting UV-stable fixed points of the renormalisation group, corresponding to a continuous phase transition where a U($2N$) global symmetry…

High Energy Physics - Lattice · Physics 2021-05-21 Simon Hands

In the generalized minimal supergravity (GmSUGRA) scenario, we systematically study the supersymmetry breaking scalar masses, Standard Model fermion Yukawa coupling terms, and trilinear soft terms in SU(5) models with the Higgs fields in…

High Energy Physics - Phenomenology · Physics 2014-11-21 Csaba Balazs , Tianjun Li , Dimitri V. Nanopoulos , Fei Wang

We apply the large-charge limit to the first known example of a four-dimensional gauge-Yukawa theory featuring an ultraviolet interacting fixed point in all couplings. We determine the energy of the ground state in presence of large fixed…

High Energy Physics - Theory · Physics 2020-02-26 Domenico Orlando , Susanne Reffert , Francesco Sannino

Building on recent advances in the understanding of gauge-Yukawa theories we explore possibilities to UV-complete the Standard Model in an asymptotically safe manner. Minimal extensions are based on a large flavor sector of additional…

High Energy Physics - Phenomenology · Physics 2018-02-23 Andrew D. Bond , Gudrun Hiller , Kamila Kowalska , Daniel F. Litim

We analyze $(2+1)$-dimensional vector-vector type four-Fermi interaction (Thirring) model in the framework of the $1/N$ expansion. By solving the Dyson-Schwinger equation in the large-$N$ limit, we show that in the two-component formalism…

High Energy Physics - Theory · Physics 2009-10-22 D. K. Hong , S. H. Park

We consider the dynamics of gauge-Yukawa theories in the presence of a large number of matter constituents. We first review the current status for the renormalization group equations of gauge-fermion theories featuring also semi-simple…

High Energy Physics - Phenomenology · Physics 2018-07-18 Oleg Antipin , Nicola Andrea Dondi , Francesco Sannino , Anders Eller Thomsen , Zhi-Wei Wang

We study line defects with a cusp in fermionic CFTs arising as fixed points of scalar-fermion theories with Yukawa interactions. These include the Gross-Neveu-Yukawa model and some of its generalizations with additional scalar fields, which…

High Energy Physics - Theory · Physics 2025-12-12 Simone Giombi , Anurag Pendse

We study quantum multicritical behavior in a (2+1)-dimensional Gross-Neveu-Yukawa field theory with eight-component Dirac fermions coupled to two triplets of order parameters that act as Dirac masses, and transform as $(1,0) + (0,1)$…

Strongly Correlated Electrons · Physics 2023-03-30 Igor F. Herbut , Michael M. Scherer

We try to use scale-invariance and the 1/N expansion to construct a non-trivial 4d O(N) scalar field model with controlled UV behavior and naturally light scalar excitations. The principle is to fix interactions at each order in 1/N by…

High Energy Physics - Theory · Physics 2008-03-07 Govind S. Krishnaswami

We propose new textures for the fermion Yukawa matrices which are generalizations of the so-called Stech ansatz. We discuss how these textures can be realized in supersymmetric grand unified models with horizontal symmetry SU(3)_H among the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Zurab Berezhiani , Anna Rossi

We study the thermodynamics of massive Gross-Neveu models with explicitly broken discrete or continuous chiral symmetries for finite temperature and fermion densities. The large $N$ limit is discussed bearing attention to the no-go theorems…

High Energy Physics - Theory · Physics 2009-10-28 A. Barducci , R. Casalbuoni , R. Gatto , M. Modugno , G. Pettini

Various effective field theories in four dimensions are shown to have exact non-trivial solutions in the limit as the number $N$ of fields of some type becomes large. These include extended versions of the U(N) Gross-Neveu model, the…

High Energy Physics - Theory · Physics 2009-10-30 Steven Weinberg

Interacting fermions exhibit a rich landscape of surface defects and associated critical phenomena. We investigate novel surface critical behavior in the three-dimensional Gross-Neveu-Yukawa model. For a class of defect renormalization…

High Energy Physics - Theory · Physics 2026-05-20 Oleksandr Diatlyk , Zimo Sun , Yifan Wang

We examine the supersymmetric non-linear O(N) sigma model with a soft breaking term. In two dimensions, we found that the mass difference between supersymmetric partner fields vanishes accidentally. In three dimensions, the mass difference…

High Energy Physics - Phenomenology · Physics 2009-10-28 Tomohiro Matsuda

We investigate a scenario in a supersymmetric SO(10) Grand Unified Theory in which the fermion mass matrices are generated by renormalizable Yukawa couplings of the $\mathbf{10} \oplus \mathbf{120} \oplus \bar{\mathbf{126}}$ representation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Walter Grimus , Helmut Kuhbock

We perform a numerical bootstrap study of scalar operators in the critical 3d Gross-Neveu-Yukawa models, a family of conformal field theories containing N Majorana fermions in the fundamental representation of an O(N) global symmetry. We…

High Energy Physics - Theory · Physics 2024-06-21 Matthew S. Mitchell , David Poland

We investigate the emergence of ${\cal N}=1$ supersymmetry in the long-range behavior of three-dimensional parity-symmetric Yukawa systems. We discuss a renormalization approach that manifestly preserves supersymmetry whenever such symmetry…

High Energy Physics - Theory · Physics 2018-01-17 Holger Gies , Tobias Hellwig , Andreas Wipf , Omar Zanusso

We present a detailed study of the quark and lepton mass spectra in a SO(10) framework with one 10_H and one \bar{126}_H Higgs representations in the Yukawa sector. We consider in full generality the interplay between type-I and type-II…

High Energy Physics - Phenomenology · Physics 2009-11-11 Stefano Bertolini , Michal Malinsky , Thomas Schwetz

In a recent paper, we proposed a new class of supersymmetric SO(10) models for neutrino masses where the TeV scale electroweak symmetry is SU(2)_L\times SU(2)_R\times U(1)_{B-L} making the associated gauge bosons W_R and Z' accessible at…

High Energy Physics - Phenomenology · Physics 2015-03-13 P. S. Bhupal Dev , R. N. Mohapatra