124 citations · 441 across the 24 of their papers we have counts for
25 papers
Generalized unitary evolution for symplectic scalar fermions
Cheng-Yang Lee
The theory of symplectic scalar fermion of LeClair and Neubert is studied. The theory evades the conventional spin-statistics theorem because its Hamiltonian is pseudo Hermitian. H…
Mass dimension one fields with Wigner degeneracy: A theory of dark matter
Dharam Vir Ahluwalia, Julio M. Hoff da Silva, Cheng-Yang Lee
Whatever dark matter is, it must be one irreducible unitary representation of the extended Lorentz group or another. We here develop a formalism of mass dimension one fermions and…
A critical response to Moshe Chaichian and colleagues on mass dimension one fields, and related matters
Dharam Vir Ahluwalia, Cheng-Yang Lee
In a recent article published in EPJC, Moshe Chaichian and colleagues have presented an overarching critique of mass dimension one fields and related matters. In this Letter we sho…
Spin-half bosons with mass dimension three half: Evading the spin-statistics theorem
Dharam Vir Ahluwalia, Cheng-Yang Lee
By exploiting the freedom in defining the dual of spinors, we report an unexpected theoretical discovery of a quantum field theory of spin-half bosons. It fulfils Dirac's 1969-70 o…
Mass dimension one fermions: Constructing darkness
Dharam Vir Ahluwalia, Julio M. Hoff da Silva, Cheng-Yang Lee +3
Let be the Wigner time reversal operator for spin half and let be a Weyl spinor. Then, for a left-transforming , the construct yields a right-transforming s…
Chiral phases for massive fermions and spinor classifications
Cheng-Yang Lee
We explore the physics of regular spinors in the Lounesto classification. These spinors are constructed by introducing two chiral phases. One is a degree of freedom present in choo…
Cherenkov radiation in a strong magnetic field
Cheng-Yang Lee
According to quantum electrodynamics, in a strong magnetic field that is constant and spatially uniform, the vacuum becomes polarized with a refractive index greater than unity. As…
Spin-half mass dimension one fermions and their higher-spin generalizations
Cheng-Yang Lee
A self-contained review on spin-half mass dimension one fermions and their higher-spin generalizations is presented. Starting from the two-component left-handed Weyl spinors, the D…
Magnetic field creation by solar mass neutrino jets
Dharam Vir Ahluwalia, Cheng-Yang Lee
Parity violation and its effects for neutrinos in astrophysical contexts have been considered earlier in pioneering papers of Hawking and Vilenkin. But because even the largest mag…
Fermionic degeneracy and non-local contributions in flag-dipole spinors and mass dimension one fermions
Cheng-Yang Lee
We construct a mass dimension one fermionic field associated with flag-dipole spinors. These spinors are related to Elko (flag-pole spinors) by a one-parameter matrix transformatio…
Interactions and oscillations of coherent flavor eigenstates in beta decay
Cheng-Yang Lee
The theory pioneered by Blasone and Vitiello describes massive neutrinos as generalized coherent flavor eigenstates within the extended Standard Model. In this paper, we compute th…
A QFT-induced phase in neutrino flavour oscillations
Dharam Vir Ahluwalia, Cheng-Yang Lee
In the extended Standard Model of particle physics, each neutrino mass eigenstate is predicted to have a tiny but non vanishing magnetic moment induced by quantum field theoretic c…
Spin and helicity of massive particles
Cheng-Yang Lee
It is a well-known fact that helicity is a Lorentz-invariant for massless but not for massive particles. Nevertheless, a satisfactory proof of this fact and a detailed analysis on…
Quantum field theory with a preferred direction: The very special relativity framework
Cheng-Yang Lee
The theory of very special relativity (VSR) proposed by Cohen and Glashow contains an intrinsic preferred direction. Starting from the irreducible unitary representation of the inh…
Constraints on mass dimension one fermionic dark matter from the Yukawa interaction
Marco Dias, Cheng-Yang Lee
We study the loop corrections to the scalar propagator and the fermionic self-energy for the mass dimension one fermionic dark matter with the Yukawa interaction. We find, in the f…
Symmetries and unitary interactions of mass dimension one fermionic dark matter
Cheng-Yang Lee
The fermionic fields constructed from Elko have several unexpected properties. They satisfy the Klein-Gordon but not the Dirac equation and are of mass dimension one instead of thr…
The Lagrangian for mass dimension one fermionic dark matter
Cheng-Yang Lee
The mass dimension one fermionic field associated with Elko satisfies the Klein-Gordon but not the Dirac equation. However, its propagator is not a Green's function of the Klein-Go…
Massive fermions in 2+1 dimensions
Cheng-Yang Lee
We construct the higher-spin massive fermionic fields in 2+1 dimensions. Their field equations and propagators are derived from first principle. For fields with j>1/2, complication…
Symmetries of Elko and massive vector fields
Cheng-Yang Lee
This thesis studies the symmetries and phenomenologies of the massive vector fields of indefinite spin with both scalar and spin-one degrees of freedom and Elko. The investigation…
Gamma-ray bursts and the relevance of rotation-induced neutrino sterilization
D. V. Ahluwalia, Cheng-Yang Lee
A la Pontecorvo when one defines electroweak flavour states of neutrinos as a linear superposition of mass eigenstates one ignores the associated spin. If, however, there is a sign…
Self-interacting mass-dimension one fields for any spin
Cheng-Yang Lee
According to Ahluwalia and Grumiller, massive spin-half fields of mass-dimension one can be constructed using the eigenspinors of the charge-conjugation operator (Elko) as expansio…
Elko in 1+1 dimensions
Cheng-Yang Lee
The quantum field operator for spin-half Elko describes a massive self-interacting fermionic dark matter candidate of mass dimension one. It has been shown that the theory has a bu…
Self-interacting Elko dark matter with an axis of locality
D. V. Ahluwalia, Cheng-Yang Lee, D. Schritt
This communication is a natural and nontrivial continuation of the 2005 work of Ahluwalia and Grumiller on Elko. Here we report that Elko breaks Lorentz symmetry in a rather subtle…
Elko as self-interacting fermionic dark matter with axis of locality
D. V. Ahluwalia, Cheng-Yang Lee, D. Schritt
We here provide further details on the construction and properties of mass dimension one quantum fields based on Elko expansion coefficients. We show that by a judicious choice of…