Biquaternion Electrodynamics and Weyl-Cartan Geometry of Space-Time

Birefringence in nonlinear anisotropic dielectric media

Birefringence in pseudo-Finsler spacetimes

Birkhoff for Lovelock Redux

Birkhoff's invariant and Thorne's Hoop Conjecture

Birkhoff's Theorem in Higher Derivative Theories of Gravity

Birkhoff's Theorem in Higher Derivative Theories of Gravity II: Asymptotically Lifshitz Black Holes

Birkhoff's theorem in Lovelock gravity

Birkhoff-like theorem for rotating stars in (2+1) dimensions

Birth and Growth of Two-dimensional Universe

Birth of a Closed Universe of Negative Spatial Curvature

Birth of Dark Energy by Quantum Metric Fluctuations in Imaginary Time

Birth of the Brane World

Birth of the Universe as anti-tunnelling from the string perturbative vacuum

Birth of the Universe in string cosmology

Birth of timelike naked singularity

Bisolutions to the Klein-Gordon Equation and Quantum Field Theory on 2-dimensional Cylinder Spacetimes

Black Brane Entropy from Brane-Antibrane Systems

Black hole : Equipartition of matter and potential energy

Black hole and cosmological space-times in Born-Infeld-Einstein theory