U boson searches at KLOE

U Duality, Solvable Lie Algebras and Extremal Black-Holes

U(1) Axial Symmetry and Correlation Functions in the High Temperature Phase of QCD

U(1) Charges and Moduli in the D1-D5 System

U(1) Chiral gauge theory on lattice with gauge-fixed domain wall fermions

U(1) Chiral Gauge Theory with Domain Wall Fermions and Gauge Fixing

U(1) Connection, Nonlinear Dirac-like Equations and Seiberg-Witten Equations

U(1) effective confinement theory from SU(2) restricted gauge theory via the Julia-Toulouse Approach

U(1) Field Theory in the Limit of a Large Coupling Constant

U(1) Flavor Symmetry and Proton Decay in Supersymmetric Standard Model

U(1) flux tube profiles from Hamiltonian lattice gauge theory using a random walk ground-state projector

U(1) Gauge Field of the Kaluza-Klein Theory in the Presence of Branes

U(1) gauge field theory on kappa-Minkowski space

U(1) gauge invariance from open string field theory

U(1) gauge invariant noncommutative Schrödinger theory and gravity

U(1) gauge theory over discrete space-time and phase transitions

U(1) Gauge Theory with Villain Action on Spherical Lattices

U(1) Goldberger-Treiman Relation and Its Connection to the Proton Spin

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

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