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

U(1)' dark matter

U(1)' Dark Matter and R-Parity Violation.

U(1)' solution to the mu-problem and the proton decay problem in supersymmetry without R-parity

U(1)' Symmetry Breaking in Supersymmetric E6 Models

U(1)-decoupling, KK and BCJ relations in $\mathcal{N}=4$ SYM

U(1)-invariant membranes: the geometric formulation, Abel and pendulum differential equations

U(1)-invariant special Lagrangian 3-folds I. Nonsingular solutions