Browse Physics

Highly doped graphene can become superconducting.

The band structure of iron-based superconductors gives rise to yet another scenario for the appearance of Dirac fermions.

With a clever design of a ferromagnetic Josephson junction, it is possible to observe a theoretically predicted, but difficult to measure, spin-triplet supercurrent.

Scanning tunneling microscopy experiments in a high-temperature superconductor probe the temperature evolution of local electronic states, revealing that regions in the sample exhibiting weak superconductivity can persist to elevated temperatures if they are surrounded by regions of strong superconductivity.

A new tool has been developed to measure the local London penetration depth in a superconductor.

A new phase of coexisting superconductivity and magnetic order is discovered in CeCoIn5.

The observation of a strong nonlinear diamagnetic signal well above $T_c$ in several cuprate superconductors constitutes clear evidence of the persistence of local superconducting correlations.

Unconventional superconductors in the proximity of a topological insulator exhibit zero-energy Majorana surface states.

By doping the topological insulator bismuth selenide with copper to form copper layers, a topological superconductor is created.

A new experiment shows that entangled electron pairs can be spatially split into different arms of a carbon nanotube. Is a nanotube quantum teleporter on the horizon?

Ballistic electron transport through a clean superconductor with d-wave symmetry has features in common with graphene.

Raman spectroscopy of a cobalt-doped iron-pnictide superconductor reveals the complex electronic structure of the superconducting state in this material.

Scanning tunneling spectroscopy can take advantage of the high-quality surface of Fe1+δSe1-xTex to learn more about iron-based superconductivity.

A theory of novel phase formation near quantum critical points suggests that large fluctuations lead to magnetic analogs of inhomogeneous superconductivity.

Microwave-frequency excitation of a superconductor-metal-superconductor junction is used to resolve the dynamic mechanisms behind the temporal response.

An angle-resolved photoemission study suggests that different physics may underlie two major classes of iron-based superconductors.

Are electronic correlations in the new iron-pnictide high-temperature superconductors as strong as in their older cuprate brethren? Yes, say some physicists; no, say others. X-ray experiments deliver the verdict.

Calculations suggest that the height of the pnictogen atom in iron-based pnictide superconductors determines the symmetry of the superconducting gap.

Calculations of the Raman response for iron pnictide superconductors reveal a collective mode that may be crucial to unravel the pairing symmetry.

Following diamond and silicon, germanium is the third elemental semiconductor to host superconductivity at ambient pressure.