Results 71 to 80 of about 185,851 (190)

Common origin of inverse seesaw and baryon asymmetry

open access: yesPhysics Letters B, 2020
In the inverse seesaw scenario, several fermion singlets have a small Majorana mass term. We show such Majorana masses can be suppressed by some heavy fermion and/or Higgs singlets after a global symmetry is spontaneously broken.
Pei-Hong Gu
doaj   +1 more source

Thermal Fluctuations of Induced Fermion Number

open access: yes, 2001
We analyze the phemomenon of induced fermion number at finite temperature. At finite temperature, the induced fermion number $$ is a thermal expectation value, and we compute the finite temperature fluctuations, $(\Delta N)^2=-^2$.
A. Goldhaber   +56 more
core   +1 more source

Discerning Fermions

open access: yesThe British Journal for the Philosophy of Science, 2008
We demonstrate that the quantum-mechanical description of composite physical systems of an arbitrary number of similar fermions in all their admissible states, mixed or pure, for all finite-dimensional Hilbert spaces, is not in conflict with Leibniz’s Principle of the Identity of Indiscernibles (PII).
Muller, F.A., Saunders, S.
openaire   +3 more sources

Nonperturbative calculation of the anomalous magnetic moment in the Yukawa model within truncated Fock space

open access: yes, 2010
Within the covariant formulation of light-front dynamics, we calculate the state vector of a physical fermion in the Yukawa model. The state vector is decomposed in Fock sectors and we consider the first three ones: the single constituent fermion, the ...
A. V. Smirnov   +9 more
core   +2 more sources

Symplectic fermions [PDF]

open access: yesNuclear Physics B, 2000
We study two-dimensional conformal field theories generated from a ``symplectic fermion'' - a free two-component fermion field of spin one - and construct the maximal local supersymmetric conformal field theory generated from it. This theory has central charge c=-2 and provides the simplest example of a theory with logarithmic operators. Twisted states
openaire   +3 more sources

Regularizations, Anomalies and Fermion Number Non-Conservation in Chiral Gauge Theories

open access: yes, 1992
We study how fermion number conservation fails in fermion number preserving regularization schemes. We show that the fermion number have to be carried by the gauge field configurations with non-zero winding number in this scheme and this fermion number ...
Aoki, Sinya
core   +2 more sources

ON FERMION ENTANGLEMENT

open access: yesFluctuation and Noise Letters, 2005
Under the historical definition of entanglement, namely that encountered in Einstein–Podolski–Rosen (EPR)–type experiments, it is shown that a particular Slater determinant is entangled. Thus a definition which holds that any Slater determinant is unentangled, found in the literature, is inconsistent with the historical definition. A generalization of
openaire   +2 more sources

Excitons of composite fermions [PDF]

open access: yesPhysical Review B, 1996
40 pages including 13 postscript figures; accepted for publication in Physical Review B (1996); related paper in cond-mat ...
Kamilla, R. K., Wu, X. G., Jain, J. K.
openaire   +3 more sources

Is the Composite Fermion a Dirac Particle?

open access: yesPhysical Review X, 2015
We propose a particle-hole symmetric theory of the Fermi-liquid ground state of a half-filled Landau level. This theory should be applicable for a Dirac fermion in the magnetic field at charge neutrality, as well as for the ν=1/2 quantum Hall ground ...
Dam Thanh Son
doaj   +1 more source

Probing axion mediated fermion–fermion interaction by means of entanglement

open access: yesPhysics Letters B, 2020
We propose a new approach in the investigation and detection of axion and axion–like particles based on the study of the entanglement for two interacting fermions.
A. Capolupo   +3 more
doaj   +1 more source

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