David C. Latimer
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View article: Scattering from the charge radius of a neutral particle
Scattering from the charge radius of a neutral particle Open
In the physics curriculum, students normally learn about Rutherford scattering from charged particles in classical mechanics, quantum mechanics, and quantum field theory. This paper provides a pedagogical introduction to the problem of sca…
View article: The Impact of Electric Currents on Majorana Dark Matter at Freeze Out
The Impact of Electric Currents on Majorana Dark Matter at Freeze Out Open
Thermal relics with masses in the GeV to TeV range remain possible candidates for the Universe’s dark matter (DM). These neutral particles are often assumed to have vanishing electric and magnetic dipole moments so that they do not interac…
View article: The impact of electric currents on Majorana dark matter at freeze out
The impact of electric currents on Majorana dark matter at freeze out Open
Thermal relics with masses in the GeV to TeV range remain possible candidates for the Universe's dark matter (DM). These neutral particles are often assumed to have vanishing electric and magnetic dipole moments so that they do not interac…
View article: Aligning a Majorana fermion’s anapole moment with an external current through photon emission mediated by the fermion’s generalized polarizabilities
Aligning a Majorana fermion’s anapole moment with an external current through photon emission mediated by the fermion’s generalized polarizabilities Open
The sole static electromagnetic property of a spin-$\frac{1}{2}$ Majorana fermion is its anapole moment. Though they cannot couple to single real photons, these particles can interact with electric currents through virtual photons. If a Ma…
View article: Aligning a Majorana fermion's anapole moment with an external current through photon emission mediated by the fermion's generalized polarizabilities
Aligning a Majorana fermion's anapole moment with an external current through photon emission mediated by the fermion's generalized polarizabilities Open
The sole static electromagnetic property of a spin-$\frac{1}{2}$ Majorana fermion is its anapole moment. Though they cannot couple to single real photons, these particles can interact with electric currents through virtual photons. If a Ma…
View article: Polarization of Majorana Fermions in a Background Current
Polarization of Majorana Fermions in a Background Current Open
A Majorana fermion is a particle which is its own antiparticle. As a consequence, their electromagnetic interactions are minimal. Because of this, they are a good candidate for dark matter with their sole static electromagnetic property be…
View article: A computational study of the impact of inhomogeneous internodal lengths on conduction velocity in myelinated neurons
A computational study of the impact of inhomogeneous internodal lengths on conduction velocity in myelinated neurons Open
Age-related decreases in the conduction velocity (CV) of action potentials along myelinated axons have been linked to morphological changes in the myelin sheath. In particular, evidence suggests the presence of segmental demyelination and …
View article: A computational study of the impact of inhomogeneous internodal lengths on conduction velocity in myelinated neurons
A computational study of the impact of inhomogeneous internodal lengths on conduction velocity in myelinated neurons Open
Data for Figures 1 and 2. The file fig1_data is generated using the McIntyre et al. model [McIntyre CC, Richardson AG, Grill WM. Modeling the excitability of mammalian nerve fibers: Influence of afterpotentials on the recovery cycle. J Neu…
View article: Anapole dark matter annihilation into photons
Anapole dark matter annihilation into photons Open
In models of anapole dark matter (DM), the DM candidate is a Majorana fermion\nwhose primary interaction with standard model (SM) particles is through an\nanapole coupling to off-shell photons. As such, at tree-level, anapole DM\nundergoes…
View article: Two-photon interactions with Majorana fermions
Two-photon interactions with Majorana fermions Open
Because Majorana fermions are their own antiparticles, their electric and\nmagnetic dipole moments must vanish, leaving the anapole moment as their only\nstatic electromagnetic property. But the existence of induced dipole moments is\nnot …