Browse Physics

A newly predicted state of matter is a simple theoretical example of a phase that conducts electricity but is not smoothly connected to our conventional model of metals.

A new approach to finding the electronic potentials in density-functional theory—one of the most important computational tools in condensed matter and quantum chemistry—is proposed.

Ferromagnetic fluctuations drive superconductivity in UCoGe.

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

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.

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.

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

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

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.

Although theoretical approaches to modeling “strange metals,” such as the cuprate superconductors, originate from apparently different sources, research now suggests they flow toward a single universal model.

New theoretical work shows that in two-dimensional condensed matter systems, one-dimensional processes such as forward or backward scattering have a dramatic effect on the physical behavior of fermions near a quantum critical point and derail attempts to get an accurate description of a non-Fermi-liquid.

High-resolution angle-dependent quantum oscillations in underdoped cuprates and unrestricted fits are used to suggest a new Fermi surface topology.

Theory that takes into account the time-dependent nature of electronic transport through a quantum dot reveals fluctuations that could affect rapid switching of nanoscale electronic devices.

A new method of thermometry for ultracold atoms in optical lattices has the potential to accurately measure temperatures down to $50\text{pK}$.

A new renormalization group approach that maps lattice problems to tensor networks may hold the key to solving seemingly intractable models of strongly correlated systems in any dimension.

An angle-resolved photoemission spectroscopy study of electron transport along quasi-one-dimensional $\text{Mo}$-$\text{O}$ chains of ${\text{Li}}_{0.9}{\text{Mo}}_6{\text{O}}_{17}$ reveals puzzling behavior that does not fit within the available one-dimensional theory frameworks and likely points to undiscovered physics.