Results 81 to 90 of about 185,851 (190)
Scales of Mass Generation for Quarks, Leptons and Majorana Neutrinos
, 2005 We study 2 --> n inelastic fermion-(anti)fermion scattering into multiple longitudinal weak gauge bosons and derive universal upper bounds on the scales of fermion mass generation by imposing unitarity of the S-matrix.
Duane A. Dicus +5 more
core +1 more source
Proceedings of Corfu Summer Institute 2023 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2023)Using carefully chosen projections, we consider different Carroll limits of relativistic Dirac fermions in any spacetime dimensions. These limits define Carroll fermions of two types: electric and magnetic. The latter type transforms as a reducible but indecomposable representation of the Carroll group.
Bergshoeff, Eric +4 more
openaire +7 more sources
Inverse seesaw accompanied by Dirac fermionic dark matter
Physics Letters B, 2020 We present an inverse seesaw mechanism by resorting to a U(1)B−L gauge symmetry. In order to cancel the gauge anomalies, we introduce nine neutral fermions among which six participate in the inverse seesaw, while the other three form a Dirac fermion and ...
Pei-Hong Gu
doaj +1 more source
Large $$N_\mathrm{f}$$ N f for multiple representations
European Physical Journal C: Particles and Fields, 2021 We present an extension of the large- $$N_\mathrm{f}$$ N f formalism that allows one to study cases with multiple fermion representations. The pole structure in the beta function is traced back to the intrinsic non-abelian nature of the gauge group ...
Giacomo Cacciapaglia, Shahram Vatani
doaj +1 more source
Temperature in fermion systems and the chiral fermion determinant [PDF]
Physical Review D, 2000 24 pages, some figures, to be published in Phys.Rev ...
openaire +2 more sources
Gauge covariant fermion propagator in quenched, chirally-symmetric quantum electrodynamics
, 1994 We discuss the chirally symmetric solution of the massless, quenched, Dyson-Schwinger equation for the fermion propagator in three and four dimensions. The solutions are manifestly gauge covariant. We consider a gauge covariance constraint on the fermion-
Ball +21 more
core +2 more sources
Composite fermions and the Fermion–Chern–Simons theory [PDF]
Physica E: Low-dimensional Systems and Nanostructures, 2003 The concept of composite fermions, and the related Fermion-Chern-Simons theory, have been powerful tools for understanding quantum Hall systems with a partially full lowest Landau level. We shall review some of the successes of the Fermion-Chern-Simons theory, as well as some limitations and outstanding issues.
openaire +2 more sources
Operator Homology and Cohomology in Clifford Algebras
Cubo, 2010 In recent work, the authors used canonical lowering and raising operators to define Appell systems on Clifford algebras of arbitrary signature. Appell systems can be interpreted as polynomial solutions of generalized heat equations, and in probability ...
René Schott, G. Stacey Staples
doaj
The fermion bag approach to lattice field theories
, 2009 We propose a new approach to the fermion sign problem in systems where there is a coupling $U$ such that when it is infinite the fermions are paired into bosons and there is no fermion permutation sign to worry about.
M. J. Savage +2 more
core +1 more source
Radiative instability of quantum electrodynamics in chiral matter
Physics Letters B, 2018 Modification of the photon dispersion relation in chiral matter enables 1→2 scattering. As a result, the single fermion and photon states are unstable to photon radiation and pair production respectively.
Kirill Tuchin
doaj +1 more source