Browse Physics

A study of the thermoelectric properties of the doped insulator, strontium titanate, shows that it superconducts with the lowest charge density ever observed.

Adding impurities to a topological superfluid—a predicted state of matter believed to host Majorana particles—may be the best way to prove it exists.

Photoemission experiments put new constraints on the pairing mechanism in iron-based superconductors.

Ionization experiments with benzene and similar organic molecules show evidence for short-lived electronic couplings, which resemble the Cooper pairs that carry current in superconductors.

The combination of the Josephson effect and topological order provides a testing ground for the emergence of Majorana fermions in solid-state systems.

Symmetry considerations point to a universal mechanism responsible for superconductivity in the iron pnictides and iron chalcogenides.

Specific heat measurements reveal a universal symmetry for the superconducting gap in a family of heavy fermion materials.

Cold-atom experiments tread into the land of two-dimensional superconductivity.

The effect of doping on the pairing gap in iron-based superconductors is elucidated in a theoretical study.

Researchers spatially vary the strength of superconductivity on a nanometer scale using a ferroelectric material on top.

Muon spin rotation is used to determine the effects of pressure on high-temperature superconductivity.

Electron transport measurements on thin films reveal whether two-dimensional metals support macroscopic supercurrents.

The theoretical prediction of the frequency and temperature dependent tendency toward Cooper pairing in five different scenarios allows experimental identification of mechanisms of superconductivity.

Light emitting diodes with superconducting electrodes are better photon emitters.

In a superconductor-semiconductor hybrid system, circularly polarized light can generate an electric current without the system leaving thermal equilibrium.

Under very high pressures hydrogen may combine with platinum to produce new structural phases and high-temperature superconductivity.

A microscopic theoretical model brings insight into the underlying physics behind the complex magnetic and structural transitions of some pnictide superconductors.

Experiments indicate that electrons pair in a spin-triplet state in the superconducting state of the topological insulator CuxBi2Se3.

In iron-based superconductors, the gap on the hole Fermi surface can be used to predict nodal behavior on the electron Fermi surface.

Experiments chip away at the assumption that Fermi-surface nesting is key to superconductivity in iron-based superconductors.