Viewpoints

Winning at Quantum Dice

Winning at Quantum Dice

June 10, 2013

Bernhard Urbaszek and Alejandro Kunold

New experiments show how to optically initialize a specific spin state of a single manganese atom placed inside a quantum dot for spintronics applications.

Topology with Liquid Crystals

Topology with Liquid Crystals

June 3, 2013

Miha Ravnik

Molecules in a liquid crystal order into a pattern whose links and twists resemble a Hopf fibration, a geometric shape from topology with unusual properties.

Polariton Fluids for Optical Logic

Polariton Fluids for Optical Logic

June 3, 2013

Laura Pilozzi

Laser control of polariton current offers a new range of devices for all-optical logic circuits.

Closer to a Quantum Internet

Closer to a Quantum Internet

May 28, 2013

Philip Hemmer

A demonstration of photon-pair generation from visible to telecom wavelengths may speed the development of quantum networks.

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The Aquatic Dance of Bacteria

May 28, 2013

Pushing Back the Frontier of Stability

May 20, 2013

A New Look at the Hydrogen Wave Function

May 20, 2013

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Synopses

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Wall Filters out the Sound You Want to Hear

June 13, 2013

Sound at a specific frequency passes through a wall with membrane-covered holes, as if the wall weren’t there.

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How Plants Do Their Math

June 13, 2013

New simulations better explain how Fibonacci patterns can emerge from the biochemical processes driving a plant’s growth.

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Cosmology Near and Far

June 13, 2013

Differences in measurements of the expansion of the Universe may point to physics beyond the standard model of cosmology.

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Solving for X and Y

June 6, 2013

A calculation performed with four photon qubits proves that a promising quantum algorithm works.

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A Distant Second

June 6, 2013

Still Life with Atom

May 30, 2013

Black-Hole Hunting with a Gas Cloud

May 30, 2013

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Focus

Animal Communication Could Support Efficient Foraging

Animal Communication Could Support Efficient Foraging

June 14, 2013

A model mixing Brownian motion with purposeful movement guided by vocal signals suggests that Mongolian gazelle herds may have developed an efficient foraging strategy.

Designing Better Materials for LEDs

Designing Better Materials for LEDs

June 10, 2013

Researchers designed and synthesized an organic molecule whose electronic structure helps funnel energy into fluorescent emission.

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A New Direction for Thermoelectric Cooling

May 31, 2013

Controlling Persistent Stress in Glass

May 24, 2013

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Notes from the Editors

Condensed Matter through an AMO Lens (Video)

Condensed Matter through an AMO Lens (Video)

April 15, 2013

At the APS March meeting in Baltimore, William Phillips of the Joint Quantum Institute described the many ways that trapped atoms are being used to understand the physics of solids.

More Notes from the Editors

The Aftermath of a Controversial Idea

March 15, 2013

An Invitation from Physics

March 6, 2013

A Different Kind of Impact Factor

December 19, 2012

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