U(1) Instantons on AdS_4 and the Uplift to Exact Supergravity Solutions

U(1) Invariant F(R) Horava-Lifshitz Gravity

U(1) invariant Membranes and Singularities

U(1) Lattice Gauge theory and its Dual

U(1) lattice gauge theory and N=2 supersymmetric Yang-Mills theory

U(1) masses in intersecting D-brane SM-like models

U(1) Mediation of Flux Supersymmetry Breaking

U(1) Noncommutative Gauge Fields and Magnetogenesis

U(1) Problem at Finite Temperature

U(1) Problem Revisited

U(1) slave-particle study of the finite-temperature doped Hubbard model in one and two dimensions

U(1) Slave-spin theory and its application to Mott transition in a multi-orbital model for iron pnictides

U(1) spin liquids and valence bond solids in a large-N three-dimensional Heisenberg model

U(1) staggered Dirac operator and random matrix

U(1) symmetry and elimination of spin-0 gravitons in Horava-Lifshitz gravity without the projectability condition

U(1) symmetry and R parity violation

U(1) symmetry breaking in one-dimensional Mott insulator studied by the Density Matrix Renormalization Group method

U(1) textures and Lepton Flavor Violation

U(1) x U(1) Quaternionic Metrics from Harmonic Superspace

U(1)$_A$ Models of Fermion Masses Without a $μ$ Problem