Selected Publications

The Bekenstein–Hawking entropy S = k_BA/4ℓ_P² carries a 1/4 coefficient that many approaches to quantum gravity have computed microscopically. This paper shows the factor instead arises from the causal geometry of any null boundary in a four-dimensional Lorentzian spacetime. A heuristic accessibility argument is supported by a purely geometric derivation using the canonical symplectic structure on the cotangent bundle and the causal splitting of the space of null rays — with no gravitational field equations invoked.

A black hole horizon carries exactly one nat of information per Planck cell. Taking entropy as irreducible uncertainty at the Planck scale and the horizon as a complete scrambler, N = A/ℓ_P² independent cells give Ω = e^N, so S = N. Multiplied by the kinematic factor 1/4 — the causally accessible fraction of the null phase space, established in the companion CQG paper — this returns the Bekenstein–Hawking entropy S_BH = A/4ℓ_P².

Explores generic initial conditions for axion-SU(2) inflation without assuming slow-roll dynamics. Finds that some anisotropic parameter space leads to premature inflation termination, but the basin of attraction increases when the axion-SU(2) system acts as a spectator sector.

Derives constraints on the primordial gravitational wave spectrum using the effective number of relativistic species. Shows how CMB observations can constrain inflationary models through their gravitational wave predictions.

Demonstrates that standard analytic approximations for inflationary observables break down for small-field models with running spectral index. Numerical precision is required even for tensor-to-scalar ratios as small as r=0.001.

Proposes a new model for ion channel multiphysics behavior and action potential dynamics. Treats ion channels as the basic unit operators for information transfer in the nervous system, with short-term plasticity functioning as a form of energetic memory.

A retrospective cohort of 16,299 patients aged 35 and older (46,148 IVF cycles, Clalit Health Services records, 2012–2023). Four failed IVF cycles within 12 months (“Marker 4”) identify a subgroup with very low chances of live birth. After at least four failed cycles, the per-cycle live-birth rate was 2.51% with the marker versus 15.61% without it, and the cumulative rate was 16.14% versus 64.02%. This simple time-based marker can support counseling about treatment futility and decisions on continuing IVF.

Develops ethical principles for consciousness research on AI systems using Talmudic legal reasoning. Addresses the moral paradox of investigating consciousness in entities whose moral status depends on the investigation's outcome.