Browse Physics

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.

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

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

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

Magnetic resonance measurements probe the “insides” of an iron-based superconductor, raising questions about the origins of superconductivity in these materials.

A new pnictide-type superconductor is discovered with heavy electrons ordering antiferromagnetically and light electrons in a superconducting state.

A compelling explanation for the abnormal metallic behavior of cuprate superconductors says they are described by a theory that is hidden in an unphysical world.

Iron selenide is transformed into an ambient high-temperature superconductor by a purely chemical method, substituting extremely high pressure.

Iron arsenide superconductors exhibit a surprising capacity to prevent magnetic field penetration.

A crystal lacking inversion symmetry shows signatures of unconventional superconducting pairing.

Superconducting transitions change the material’s phonon frequency and linewidth, but experiments now show that the line shape is altered as well.