Online Supplementary Material: Low temperature vortex liquid in $\rm La_{2-x}Sr_xCuO_4$

Onsager's Inequality, the Landau-Feynman Ansatz and Superfluidity

Onset of a boson mode at superconducting critical point of underdoped YBa2Cu3Oy

Onset of ATC superconductivity in Ag5Pb2O6/CuO composite

Onset of decoupling at the melting field of the vortex lattice in Bi2Sr2CaCu2O8 from microwave dissipation

Onset of dendritic flux avalanches in superconducting films

Onset of dielectric modes at 110K and 60K due to local lattice distortions in non-superconducting YBa_{2}Cu_{3}O_{6.0} crystals

Onset of phase correlations in YBa2Cu3O{7-x} as determined from reversible magnetization measurements

Onset of superconductivity and hysteresis in magnetic field for a long cylinder as obtained from a self-consistent solutions of the Ginzburg--Landau equations

Onset of superconductivity in 2D granular films composed of Bi clusters

Onset of Superfluidity in 4He Films Adsorbed on Disordered Substrates

Onset of Vortices in Thin Superconducting Strips and Wires

Onset Properties of Supersolid Helium

Opening of a pseudogap in a quasi-two dimensional superconductor due to critical thermal fluctuations

Opening of pseudogaps due to superconducting critical fluctuations in quasi-two dimensions

Opening of the superconducting gap in the hole pockets of Ba(Fe(1-x)Co(x))2As2 as seen via Angle-Resolved PhotoElectron Spectroscopy

Operation of a superconducting nanowire quantum interference device with mesoscopic leads

Optical activity of noncentrosymmetric metals

Optical and Raman spectroscopy studies on Fe-based superconductors

Optical and Thermal-Transport Properties of an Inhomogeneous d-Wave Superconductor