Browse Physics

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.

Ferromagnetic fluctuations drive superconductivity in UCoGe.

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

Simulating part of a perovskite heterostructure with a polarizable gel reveals the instrinsic properties of a two-dimensional electron liquid.

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.

A form of quantum electrodynamics emerges from interacting spins at low temperatures in the spin ice ${\text{Yb}}_2{\text{Ti}}_2{\text{O}}_7$.

A spin model on a honeycomb lattice points to a much sought after type of quantum spin liquid: the Bose metal.

The interface between two insulators is found to display ferromagnetism and superconductivity.

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 quick-acting ac field may change the repulsive interaction in a system of correlated electrons to an attractive one.

Theorists predict the possibility of topological “Fermi arc” surface states in a system with broken time-reversal symmetry.

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.

The experimental realization of quantum degenerate cold Fermi gases with large hyperfine spins opens up a new opportunity for exotic many-body physics.

The potential discovery of anyons in a fractional quantum Hall device tests the limits of what is known about particles confined to two dimensions.

When electronic instabilities give rise to three coexisting density waves, interference between them may lock into a state with helicity.

Networks of photonic devices with broken time-reversal symmetry may provide a way to create a quantum simulator to study strongly correlated systems.