Dual spacetimes, Mach's Principle and topological defects

Dual variables and a connection picture for the Euclidean Barrett-Crane model

Dual-Resonator Speed Meter for a Free Test Mass

Dualism between Physical Frames and Time in Quantum Gravity

Dualities and Hidden Supersymmetry in String Quantum Cosmology

Dualities, CPT Symmetry and Dimensional Reduction in String Theory

Duality between magnetic field and rotation

Duality in linearized gravity

Duality invariance and cosmological dynamics

Duality Invariance of Cosmological Perturbation Spectra

Duality of Coordinates and Matter Fields in Curved Spacetime

Duality of Quasilocal Black Hole Thermodynamics

Duality of Quasilocal Gravitational Energy and Charges with Non-orthogonal Boundaries

Duffin-Kemmer-Petiau equation in Riemannian space-times

Duffin-Kemmer-Petiau equation with nonminimal coupling to curvature

Dumb Holes and the Effects of High Frequencies on Black Hole Evaporation

Dust and Radiation Quantum Perfect Fluid Cosmology : Selection of Time Variable

Dust in the York Canonical Basis of ADM Tetrad Gravity: the Problem of Vorticity

Dust reference frame in quantum cosmology

Dust-filled axially symmetric universes with a cosmological constant