190 citations · 2.1k across the 85 of their papers we have counts for
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Infinitesimally Nonlocal Lorentz Violation
B. Altschul
We introduce a new Lorentz-violating modification to a scalar quantum field theory. This interaction, while super-renormalizable by power counting, is fundamentally different from…
Velocity in Lorentz-Violating Fermion Theories
B. Altschul, Don Colladay
We consider the role of the velocity in Lorentz-violating fermionic quantum theory, especially emphasizing the nonrelativistic regime. Information about the velocity will be import…
Asymptotically Free Lorentz- and CPT-Violating Scalar Field Theories
B. Altschul
We search for novel Lorentz- and CPT-violating field theories, beyond those contained in the superficially renormalizable standard model extension. We find a new class of scalar fi…
Gauge Invariance and the Pauli-Villars Regulator in Lorentz- and CPT-Violating Electrodynamics
B. Altschul
We examine the nonperturbative structure of the radiatively induced Chern-Simons term in a Lorentz- and CPT-violating modification of QED. Although the coefficient of the induced C…
Compton Scattering in the Presence of Lorentz and CPT Violation
B. Altschul
We examine the process of Compton scattering, in the presence of a Lorentz- and CPT-violating modification to the structure of the electron. We calculate the complete tree-level co…
Nonpolynomial Normal Modes of the Renormalization Group in the Presence of a Constant Vector Potential Background
B. Altschul
We examine the renormalization group flow in the vicinity of the free-field fixed point for effective field theories in the presence of a constant, nondynamical vector potential ba…
Non-Hermitian Interactions Between Harmonic Oscillators, with Applications to Stable, Lorentz-Violating QED
B. Altschul
We examine a new application of the Holstein-Primakoff realization of the simple harmonic oscillator Hamiltonian. This involves the use of infinite-dimensional representations of t…