$R_b$ and $R_c$ in the Two Higgs Doublet Model with Flavor Changing Neutral Currents

$R_b$ in supergravity models

$R_b$ in supersymmetric models

$R_b$-$R_c$ Crisis and the Higgs Boson Mass from LEP Precision Data

$R_{AA}$ of $J/ψ$ near mid-rapidity in heavy ion collisions at $\sqrt{s_{NN}}=200$ GeV

$R_{had}$ at the $B$-factory

$S$ Parameter in the Holographic Walking/Conformal Technicolor

$s$- and $d_{xy}$-wave components induced around a vortex in $d_{x^2-y^2}$-wave superconductors

$s$-Channel Higgs Boson Production at a Muon-Muon Collider

$S$-Duality and $H$-Monopoles

$S$-Duality and the Calabi-Yau Interpretation of the $N = 4$ to $N = 2$ Flow

$S$-duality in Vafa-Witten theory for non-simply laced gauge groups

$S$-matrix description of the finite-temperature noneqilibrium media

$S$-matrix representation of the finite temperature propagator in $λφ^4$-QFT

$s$-points in $3\rm d$ acoustical scattering

$S$-wave pairing symmetry in non-centrosymmetric superconductor Re$_3$W

$S=-1$ Meson-Baryon Unitarized Coupled Channel Chiral Perturbation Theory and the $S_{01}-$ $Λ$(1405) and $- Λ$(1670) Resonances

$S=1/2$ Chain-Boundary Excitations in the Haldane Phase of 1D $S=1$ Systems

$sl(2)$ variational schemes for solving one class of quantum nonlinear models

$sl(2)_{-4}$ WZW Model as an N=4 Supersymmetric Bosonic String with $c=-2$ matter