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synopsis

Spin Control Without Magnetic Fields

Researchers demonstrate that they can control the polarization direction of a spin current without having to apply a magnetic field, which could aid in implementing energy-efficient spintronics devices. Read More »

synopsis

Valley-Polarized Jets in Graphene

Studying the current that flows in bilayer graphene, researchers have isolated electron jets associated with specific valley states. Read More »

synopsis

Quantum Metasurfaces Entangle Photons on Demand

When it’s modulated by laser beams, a surface made of polarizable meta-atoms can entangle a photon’s properties in multiple, controllable ways. Read More »

Viewpoint

Time Crystals in Open Systems

Experiments successfully capture signatures of a discrete time crystal phase in an open, quantum many-body system. Read More »

Focus

Faster Switching in Liquid Crystals

Researchers have demonstrated a faster way to turn light transmission on and off in a liquid crystal. Read More »

synopsis

Discrete or Continuum? It Matters for Cells

A new model shows that the properties of waves produced in a cell-signaling process strongly depend on whether the cells are considered to be discrete entities or a collective mass. Read More »

synopsis

A Macroscopic Probe of Quantum States

A simple measurement of the magnetic susceptibility of a material can reveal the population of specific quantum states in the material. Read More »

Viewpoint

Sizing up Exotic Nuclei with Radioactive Molecules

New research shows that radioactive molecules can be used to study the variation in the shapes and sizes of exotic nuclei that are particularly sensitive to fundamental symmetry violations. Read More »

Opinion

It’s Time to Act on Supporting Public Engagement

The COVID-19 pandemic has revealed a systemic lack of support for the public-engagement programs of physics departments, a trend that the physics community should act to correct. Read More »

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