中国物理学会期刊网
海外物理新闻

 
Spinning a Condensate with Light

2014-11-12 23:00:00

A spiral pattern of light imparts angular momentum to a quantum condensate in a semiconductor.

Published Wed Nov 12, 2014

 
 
Simon Says Speed Up

2014-11-11 23:00:00

A function finder called Simon’s algorithm has been experimentally tested on a prototype quantum computer for the first time.

Published Tue Nov 11, 2014

 
 
New Light Shed on Dark Photons

2014-11-10 23:00:00

A search for a photonlike particle that could be related to dark matter has come up empty, putting new constraints on models that imagine a dark form of electromagnetism.

Published Mon Nov 10, 2014

doi:10.1103/Physics.7.115
 
 
Fluid Jet Acquires Wings

2014-11-07 23:00:00

A high-speed jet of certain fluids will form multiple wings, or archlike structures, when hitting a solid surface.

Published Fri Nov 07, 2014

doi:10.1103/Physics.7.114
 
 
Dusting off the Cosmic-Gravitational-Wave signal

2014-11-06 23:00:00

Ongoing searches for primordial gravitational waves have a new way to identify possible contaminations from cosmic dust.

Published Thu Nov 06, 2014

 
 
Quantum Fluctuations Affect a Row of Distant Ions

2014-11-05 23:00:00

The roiling of the quantum vacuum tweaks the collective energy of far-apart ions.

Published Wed Nov 05, 2014

 
 
The Coolest Microfridge

2014-11-04 23:00:00

A new micrometer-sized electronic cooling device features lower temperatures and higher cooling power than previously demonstrated schemes.

Published Tue Nov 04, 2014

 
 
Pushing on a Nonlinear Material

2014-11-03 23:00:00

Experiments on a model “soil” give new insight into the elasticity of nonlinear materials.

Published Mon Nov 03, 2014

doi:10.1103/Physics.7.113
 
 
NMR Sees the Spin of a Single Proton

2014-11-03 23:00:00

An NMR scheme based on nitrogen vacancies in diamond images the spins of individual protons.

Published Mon Nov 03, 2014

 
 
Landmarks—Ruby Red Laser Light Becomes Ultraviolet

2014-10-31 22:00:00

In 1961, researchers showed that laser light could be converted from one color to another, the first nonlinear optical effect, which led to uses ranging from quantum optics to eye surgery.

Published Fri Oct 31, 2014

doi:10.1103/Physics.7.112
 
 
Arrow of Time Emerges in a Gravitational System

2014-10-29 22:00:00

Study of masses interacting via gravity challenges the idea that special initial conditions are needed to give time a direction.

Published Wed Oct 29, 2014

doi:10.1103/Physics.7.111
 
 
Electrons Reveal Molecular Geometries

2014-10-29 22:00:00

The energy lost by electrons passing through a material can reveal the symmetry of individual molecules inside the sample.

Published Wed Oct 29, 2014

 
 
Beating Turbulence to Find a Mate

2014-10-28 22:00:00

A statistical-physics model provides an accurate description of how animals communicate via pheromones in a turbulent atmospheric environment.

Published Tue Oct 28, 2014

 
 
Photonic Crystals “Go Hyper”

2014-10-27 22:00:00

A design for a photonic crystal made with so-called hyperbolic metamaterials could provide unprecedented control of light waves confined to the surface.

Published Mon Oct 27, 2014

doi:10.1103/Physics.7.110
 
 
Holey Rubber Slab Has Controllable Stiffness

2014-10-24 22:00:00

Squeezing a holey rubber slab changes its stiffness over a wide range in the direction perpendicular to the squeeze.

Published Fri Oct 24, 2014

doi:10.1103/Physics.7.109
 
 
A Shield for Rydberg Atoms

2014-10-23 22:00:00

The quantum properties of cold rubidium atoms on a chip can be protected by a thin metal layer on the chip’s surface.

Published Thu Oct 23, 2014

 
 
Two Photons into One

2014-10-22 22:00:00

The interaction between two individual photons in a nonlinear optical waveguide offers new possibilities for quantum information processing.

Published Wed Oct 22, 2014

doi:10.1103/Physics.7.108
 
 
Friction Gradients Guide Artificial Walkers

2014-10-22 22:00:00

Pairs of micrometer-sized magnetic beads could “hunt” for chemicals by sensing changes in surface friction.

Published Wed Oct 22, 2014

 
 
Seeing the Glass of Milk as All Empty

2014-10-21 22:00:00

A normally opaque medium can become fully transparent to properly tailored acoustic waves.

Published Tue Oct 21, 2014

 
 
Particle Scattering Simplified

2014-10-20 22:00:00

A new formula for the scattering of massless particles may simplify predictions and analyses of LHC experiments and shed new light on quantum gravity theories.

Published Mon Oct 20, 2014

doi:10.1103/Physics.7.107
 
 
Saving Space with Quantum Information

2014-10-17 22:00:00

A technique that packs the full content of three bits of quantum information into two may be a space saver for quantum computers.

Published Fri Oct 17, 2014

doi:10.1103/Physics.7.106
 
 
Wedding Registries Reveal Migration Paths

2014-10-16 22:00:00

The long-term movement of Korean migrants, as recorded in genealogy books, follows a statistical pattern that combines aspects of both diffusive and convective flows.

Published Thu Oct 16, 2014

 
 
Optimizing Crop Irrigation

2014-10-15 22:00:00

The factors that affect the distribution of water in dry, sandy soil are tested in a lab-scale model.

Published Wed Oct 15, 2014

 
 
Magnetic Fields Lock in the Heat for Fusion

2014-10-14 22:00:00

Sandia researchers demonstrate that magnetic fields help retain heat in an imploding pellet of fuel, increasing the number of fusion reactions.

Published Tue Oct 14, 2014

doi:10.1103/Physics.7.105
 
 
Proton Longevity Pushes New Bounds

2014-10-14 22:00:00

A long-running experiment in Japan has released a new lower limit on the proton lifetime, which begins to constrain certain particle physics theories.

Published Tue Oct 14, 2014

 
 
Blue Was the Hardest Color

2014-10-13 22:00:00

The winners of the 2014 Physics Nobel Prize solved several major engineering problems over a period of decades before finally producing a useful blue LED.

Published Mon Oct 13, 2014

doi:10.1103/Physics.7.103
 
 
Nobel Prize—Seeing Single Molecules

2014-10-13 22:00:00

The Nobel Prize in Chemistry recognizes the development of super-resolved fluorescence microscopy. Much of this field can be traced back to the first detection of single molecules in solids.

Published Mon Oct 13, 2014

doi:10.1103/Physics.7.104
 
 
Giving Graphene a Rest

2014-10-09 22:00:00

Molybdenum disulfide may provide an ideal substrate for supporting graphene.

Published Thu Oct 09, 2014

 
 
Milky Way’s Center Stays in the Dark

2014-10-09 22:00:00

Simple dark matter and astrophysical models can’t explain a gamma-ray signal from our Galaxy’s center.

Published Thu Oct 09, 2014

 
 
Discriminating Dark Matter from Neutrinos

2014-10-07 22:00:00

Neutrinos could be mistaken for dark matter by certain types of detectors, so researchers are outlining ways to differentiate the two signals.

Published Tue Oct 07, 2014

 
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