Recent Articles

Graphene

Synopsis: Graphene’s Elegant Optics Explained

Theoretical calculations anchor graphene’s simple optical absorption in its two-dimensional structure instead of its cone-shaped energy bands. Read More »

Optics

Synopsis: Sharper Vision for Infrared Telescopes

Converting infrared light to visible light might boost the sensitivity of infrared telescope arrays. Read More »

Atomic and Molecular Physics

Viewpoint: Lamb Shift Spotted in Cold Gases

Cold atomic gases exhibit a phononic analog of the Lamb shift, in which energy levels shift in the presence of the quantum vacuum. Read More »

Astrophysics

Focus: More Hints of Exotic Cosmic-Ray Origin

New Space Station data support a straightforward model of cosmic-ray propagation through the Galaxy but also add to previous signs of undiscovered cosmic-ray sources such as dark matter. Read More »

FEATURE

Meetings: Why College Students Choose Physics

Undergrads attending the PhysCon meeting in San Francisco say high school teachers inspired them to pursue physics. Read More »

Optics

Viewpoint: Photon Qubit is Made of Two Colors

Single particles of light can be prepared in a quantum superposition of two different colors, an achievement that could prove useful for quantum information processing. Read More »

Atomic and Molecular Physics

Synopsis: Quantum Droplets Swell to a Macrodrop

Experiments with ultracold magnetic atoms reveal liquid-like quantum droplets that are 20 times larger than previously observed droplets.    Read More »

Topological Insulators

Synopsis: Topological Insulators Feel the Heat

Calculations based on density-functional theory show that certain topological insulators can turn into conventional insulators at high temperature.   Read More »

COLLECTION

Collection: Topological Phases

Find out more about topological phases of matter in this collection of articles from the archive of Physics. Read More »

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