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Updated: 11 hours 6 min ago

Focus: <i>Video</i>—Physics of Oil Recovery

Fri, 2017-11-17 11:00

Author(s): David Ehrenstein

Experiments mimicking a common oil drilling technique, in which fluid is forced into an oil-filled, porous medium, have uncovered four different flow patterns.

[Physics 10, 125] Published Fri Nov 17, 2017

Categories: Physics

Synopsis: Relativity Survives Scrutiny, Again

Thu, 2017-11-16 11:00

Two independent studies show no evidence that a fundamental symmetry in relativity, known as Lorentz invariance, breaks down.

[Physics] Published Thu Nov 16, 2017

Categories: Physics

Synopsis: Bloch Theory Scratches the Surfaces

Wed, 2017-11-15 11:00

Bloch’s famous theory describing the electron states in a crystalline solid has been recast to apply to surface states as well.

[Physics] Published Wed Nov 15, 2017

Categories: Physics

Synopsis: New Constraints on Axion-Gluon Interaction Strength

Tue, 2017-11-14 11:00

An analysis of spin-precession data of atoms and neutrons sets some of the tightest limits to date on the strength of interactions between axions and gluons or nucleons.

[Physics] Published Tue Nov 14, 2017

Categories: Physics

Viewpoint: Scattering Atoms Catch the <i>d </i>Wave

Mon, 2017-11-13 11:00

Author(s): Niels Kjærgaard

d-wave interactions like those thought to underlie unconventional superconductivity have been implemented in a cold-atom gas.

[Physics 10, 123] Published Mon Nov 13, 2017

Categories: Physics

Focus: Field-Free Spin Patterns

Fri, 2017-11-10 11:00

Author(s): Michael Schirber

A vortex-like magnetic spin structure inside a small disk of material is stable without an external magnetic field and might be useful for information storage or processing.

[Physics 10, 124] Published Fri Nov 10, 2017

Categories: Physics

Synopsis: Photons Couple Like Cooper Pairs

Thu, 2017-11-09 11:00

A pairing of photons—similar to the pairing of electrons in superconductors—can occur when light scatters in a transparent medium.  

[Physics] Published Thu Nov 09, 2017

Categories: Physics

Synopsis: Magnetic Wand Directs Particles in Microfluidic Device

Wed, 2017-11-08 11:00

Researchers propose a scheme to position, focus, and sort magnetic particles in a microchannel with a magnetic field.

[Physics] Published Wed Nov 08, 2017

Categories: Physics

Synopsis: Experiment Backs Up Bogoliubov Theory

Tue, 2017-11-07 11:00

An experiment with cold atoms confirms a 70-year-old theory predicting the fraction of a Bose gas that turns into a Bose-Einstein condensate.

[Physics] Published Tue Nov 07, 2017

Categories: Physics

Viewpoint: Doubly Magic Nickel

Mon, 2017-11-06 11:00

Author(s): Daniel Bazin

Two independent experiments on the isotope copper-79 confirm that its nuclear neighbor nickel-78 is indeed a doubly magic nucleus.

[Physics 10, 121] Published Mon Nov 06, 2017

Categories: Physics

Focus: Quick Changes in Magnetic Materials

Mon, 2017-11-06 11:00

Author(s): Mark Buchanan

A class of magnetic materials can be reordered at the nanoscale more rapidly than the type usually found in magnetic hard drives, offering a possible route to faster memory devices.

[Physics 10, 122] Published Mon Nov 06, 2017

Categories: Physics

Synopsis: Quantum Vortex Twirls Like a Spinning Top

Thu, 2017-11-02 11:00

A special type of quantum vortex formed in a Bose-Einstein condensate precesses like a spinning top.

[Physics] Published Thu Nov 02, 2017

Categories: Physics

Feature: Research News: Editors’ Choice

Wed, 2017-11-01 11:00

Electric tears, topological ocean waves, cosmic rays, and more in our monthly recap of papers from the literature.

[Physics 10, 120] Published Wed Nov 01, 2017

Categories: Physics

Synopsis: Why Vapor-Deposited Glasses Are so Stable

Wed, 2017-11-01 11:00

Simulations explain why glasses produced by vapor deposition can be as stable as ordinary glasses that have aged for thousands of years.

[Physics] Published Wed Nov 01, 2017

Categories: Physics

Synopsis: Connecting Higgs to Dark Matter

Tue, 2017-10-31 11:00

New theoretical work places more stringent constraints on dark matter properties derived from particle physics experiments.

[Physics] Published Tue Oct 31, 2017

Categories: Physics

Synopsis: Brain Tissue Amplifies Waves

Tue, 2017-10-31 11:00

Ultrasound images reveal an amplification effect for shear waves traveling through the brain that may contribute to head injuries.

[Physics] Published Tue Oct 31, 2017

Categories: Physics

Viewpoint: The Relentless Hunt for Dark Matter

Mon, 2017-10-30 11:00

Author(s): Dan Hooper

The latest results from two dark matter searches have further ruled out many theoretically attractive dark matter particle candidates.

[Physics 10, 119] Published Mon Oct 30, 2017

Categories: Physics

Focus: Winds Can Make a Martian Mountain

Fri, 2017-10-27 11:00

Author(s): Katherine Wright

Simulations suggest that the mountains found in craters on Mars could have been created by wind eroding large amounts of sediment from a previously flat region.

[Physics 10, 118] Published Fri Oct 27, 2017

Categories: Physics

Synopsis: Chiral Magnetism Under Electric Control

Thu, 2017-10-26 11:00

An applied electric field can be used to control a twisted form of magnetic ordering inside small domains of multiferroic materials.

[Physics] Published Thu Oct 26, 2017

Categories: Physics

Synopsis: Detection of Ortho-Para Transition in Molecules

Wed, 2017-10-25 11:00

Microwave emission from a simple molecule reveals a highly forbidden transition between two nuclear spin states.

[Physics] Published Wed Oct 25, 2017

Categories: Physics