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Linear spinor fields are a generalization of the Dirac field that have direct correspondence with the known physics of fermions, inherent causality properties in their most fundamental constructions, and positive mass eigenvalues for all…

General Physics · Physics 2016-04-06 James Lindesay

A string in four dimensions is constructed by supplementing it with forty four Majorana fermions. The central charge is 26. The fermions are grouped in such a way that the resulting action is supersymmetric. The energy momentum and current…

High Energy Physics - Theory · Physics 2007-05-23 B. B. Deo

SO(10) grand unified theory with minimum parameters in the Yukawa sector employs the Peccei-Quinn symmetry that solves the strong CP problem. Such an economical Yukawa sector is highly appealing and has been extensively studied in the…

High Energy Physics - Phenomenology · Physics 2024-03-08 Ajay Kaladharan , Shaikh Saad

We discuss the BCS-BEC crossover for one-dimensional spin 1/2 fermions at zero temperature using the Boson-Fermion resonance model in one dimension. We show that in the limit of a broad resonance, this model is equivalent to an exactly…

Superconductivity · Physics 2009-11-10 A. Recati , J. N. Fuchs , W. Zwerger

This contribution summarizes the main results of a work on exactly solvable Hamiltonians for quantum magnets. A class of Hamiltonians which supports fractionalized spinless fermionic excitations in dimensions greater than one is written…

Strongly Correlated Electrons · Physics 2024-06-18 Sumiran Pujari

We propose a model of multi-component dark matter with magnetic moments to explain the 130 GeV gamma-ray line hinted by the Fermi-LAT data. Specifically, we consider a U(1)_X dark sector which contains two vector-like fermions besides the…

High Energy Physics - Phenomenology · Physics 2013-03-27 Pei-Hong Gu

We investigate mono-top signatures arising from phenomenological models of fermionic top-partners, which are degenerate in mass and decay into a bosonic dark matter candidate, either spin-0 or spin-1. Such a model provides a mono-top…

High Energy Physics - Phenomenology · Physics 2018-01-17 Dorival Goncalves , Kyoungchul Kong , Kazuki Sakurai , Michihisa Takeuchi

We incorporate Sogami's idea in the standard model into our previous formulation of non-commutative differential geometry by extending the action of the extra exterior derivative operator on spinors defined over the discrete space-time;…

High Energy Physics - Theory · Physics 2009-10-28 Katsusada Morita , Yoshitaka Okumura

The paper formulates a principal positions of non-Hermitian models with $\gamma_5$-mass extensions, which often be ignored in some investigations for this subject. In fact in this case Hamiltonians contain not only Hermitian masses $m_1$,…

High Energy Physics - Phenomenology · Physics 2017-08-29 V. N. Rodionov , A. M. Mandel

Field theory in the presence of extra dimensions has offered interesting solutions to the gauge hierarchy problem, and inspired many attempts to understand the fermion mass generation mechanism. We study the behaviour of a bulk fermion…

High Energy Physics - Phenomenology · Physics 2008-06-24 Klaas Brakke , Elisabetta Pallante

We study a rotation invariant Majorana fermion model in one dimension using diagrammatic perturbation theory and numerical diagonalization of small systems. The model is inspired by a Majorana representation of the antiferromagnetic…

Strongly Correlated Electrons · Physics 2009-10-30 Diptiman Sen , B. Sriram Shastry

The canonical structure of the action for a massless superparticle is considered in d = 2 + 1 and d = 3 + 1 dimensions. This is done by examining the contribution to the action of each of the components of the spinor {\theta} present; no…

High Energy Physics - Theory · Physics 2012-10-05 D. G. C. McKeon

We study a scale invariant two measures theory where a dilaton field \phi has no explicit potentials. The scale transformations include a shift \phi\to\phi+const. The theory demonstrates a new mechanism for generation of the exponential…

High Energy Physics - Theory · Physics 2007-05-23 E. I. Guendelman , A. B. Kaganovich

Terms are suggested for inclusion in a Lagrangian density as seen by an observer O2, to represent the dynamics of a quantum mechanical observer O1 that is an initial stage in an observation process. This paper extends an earlier paper which…

General Physics · Physics 2009-01-05 M. Dance

We present a construction of an integrable model as a projective type limit of spin Calogero-Sutherland model with $N$ fermionic particles, where $N$ tends to infinity. It is implemented in the multicomponent fermionic Fock space. Explicit…

Mathematical Physics · Physics 2020-07-22 S. M. Khoroshkin , M. G. Matushko

Multi-component dark matter scenarios constitute natural extensions of standard single-component setups and offer attractive new dynamics that could be adopted to solve various puzzles of dark matter. In this work we present and illustrate…

High Energy Physics - Phenomenology · Physics 2018-12-05 Aqeel Ahmed , Mateusz Duch , Bohdan Grzadkowski , Michal Iglicki

We investigate in detail the interaction between the spin-${1/2}$ fields endowed with mass dimension one and the graviton. We obtain an interaction vertex that combines the characteristics of scalar-graviton and Dirac's fermion-graviton…

High Energy Physics - Phenomenology · Physics 2019-12-17 R. J. Bueno Rogerio , R. de C. Lima , L. Duarte , J. M. Hoff da Silva , M. Dias , C. R. Senise

An analysis of generating fermion masses via cubic couplings in SO(10) grand unification with a unified Higgs sector is given. The new framework utilizes a single pair of vector--spinor representation $144+\bar{144}$ to break the gauge…

High Energy Physics - Phenomenology · Physics 2011-01-27 K. S. Babu , Ilia Gogoladze , Pran Nath , Raza M. Syed

We present a minimal extension of the left-right symmetric model based on the gauge group $SU(3)_{c} \times SU(2)_{L} \times SU(2)_{R} \times U(1)_{B-L} \times U(1)_{X}$, in which a vector-like fermion pair ($\zeta_L$ and $\zeta_R$) charged…

High Energy Physics - Phenomenology · Physics 2021-03-17 M. J. Neves , Nobuchika Okada , Satomi Okada

In this paper the detailed CCWZ procedure for introducing fermions on the world sheet of a string propagating in flat space-time is presented. The theory of nonlinear realizations is used to derive the transformation as well as the…

High Energy Physics - Theory · Physics 2016-05-30 Ali Mohsen