Browse Physics

The excitation spectrum of artificial spin ices can be used to identify defects that behave as magnetic monopoles.

Theorists can now calculate the speed with which correlations travel in a chain of interacting atoms.

New calculations confront the notion that adding impurities to one-dimensional solids called Luttinger liquids necessarily makes them insulators.

Transport measurements suggest that a lithium-based metal may be a candidate material for thermomagnetic cooling.

Researchers discover a subtle proximity effect at the interface between a normal metal and an antiferromagnetic insulator.

Tweaking the bulk properties of a topological insulator reveals the behavior of its surface states.

Calculations show that Coulomb interactions can play a positive role in the hunt for Majorana fermions.

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

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.

New calculations offer clues about the origin of the “hidden order” phase in URu2Si2.

Photoemission spectroscopy has identified a new topological insulator with nearly “ideal” surface states.

By doping the topological insulator Bi2Te3 with magnetic manganese, researchers have turned it into a dilute ferromagnetic semiconductor.

A fundamental theoretical technique for treating interacting fermions confined to one dimension is generalized to include systems out of equilibrium.

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

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

Behavior particular to quantum critical metals is, surprisingly, found in a class of insulators.

Coupled atom cavities can emulate the many-body behavior of condensed matter systems.

Calculations reveal the effect of dimensionality in a prototypical charge-density-wave material.

An alternative approach in density-functional theory addresses the effects of strong correlations in many-particle quantum systems.

The finding of a new duality theory could contribute to solving problems in quantum magnetism.