News tagged with electron waves

Getting in tune: Researchers solve tuning problem for wireless power transfer systems

Researchers from North Carolina State University have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric ...

Technology / Engineering

created May 15, 2012 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

Novel plasmonic material may merge photonic and electronic technologies

Helping bridge the gap between photonics and electronics, researchers from Purdue University have coaxed a thin film of titanium nitride into transporting plasmons, tiny electron excitations coupled to light ...

Physics / Optics & Photonics

created Mar 27, 2012 | popularity 3.9 / 5 (9) | comments 0 | with audio podcast

How the alphabet of data processing is growing: Research team generates flying 'qubits'

The alphabet of data processing could include more elements than the "0" and "1" in future. An international research team has achieved a new kind of bit with single electrons, called quantum bits, or qubits. ...

Physics / Quantum Physics

created Mar 21, 2012 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

Team generates frequency comb with more than 100 terahertz bandwidth

Many of the communication tools of today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, studies on electronic and optical devices with materials that are the foundations ...

Physics / Optics & Photonics

created Mar 07, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Researchers revolutionize electron microscope

Researchers at the University of Sheffield have revolutionised the electron microscope by developing a new method which could create the highest resolution images ever seen.

Physics / General Physics

created Mar 05, 2012 | popularity 4.6 / 5 (19) | comments 5 | with audio podcast

Electrons in concert: A simple probe for collective motion in ultracold plasmas

(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...

Physics / Plasma Physics

created Feb 06, 2012 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

A new way to measure Earth's magnetosphere

US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 5 / 5 (2) | comments 1

A 50-year quest to isolate the thermoelectric effect is now over: Magnon drag unveiled

In a paper published in Nature Materials, a group of researchers at the Catalan Institute of Nanotechnology (ICN, Spain) led by Prof. Sergio O. Valenzuela reports the observation of the magnon drag. This w ...

Physics / General Physics

created Dec 18, 2011 | popularity 5 / 5 (24) | comments 1 | with audio podcast

Physicists localize 3-D matter waves for first time (w/ video)

University of Illinois physicists have experimentally demonstrated for the first time how three-dimensional conduction is affected by the defects that plague materials. Understanding these effects is important ...

Physics / General Physics

created Oct 07, 2011 | popularity 4.9 / 5 (15) | comments 6 | with audio podcast

Generation of spin current by acoustic wave spin pumping

Tohoku University, Japan Science and Technology Agency (JST) and Japan Atomic Energy Agency (JAEA) announced on August 22, 2011 that Kenichi Uchida, a PhD student, and Professor Eiji Saitoh of Tohoku University and their ...

Physics / General Physics

created Sep 26, 2011 | popularity 5 / 5 (1) | comments 0

Like fish on waves: electrons go surfing

Physicists at the RUB, working in collaboration with researchers from Grenoble and Tokyo, have succeeded in taking a decisive step towards the development of more powerful computers. They were able to define two little quantum ...

Physics / General Physics

created Sep 22, 2011 | popularity not rated yet | comments 1

Lightwave electronics at sharp metal tips

(PhysOrg.com) -- Scientists at the Max Planck Institute of Quantum Optics control for the first time the emission of electrons from metal tips with femtosecond lasers alone.

Physics / Quantum Physics

created Jul 07, 2011 | popularity 4 / 5 (4) | comments 3 | with audio podcast

Wireless tags give physicians details and condition of orthopedic implants with the wave of a wand

Radio-frequency technology developed at the University of Pittsburgh that uses human tissue instead of air as a conduit for radio waves is the basis of the first electronic "tag" system designed to track and ...

Technology / Engineering

created Jun 10, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Nuclear photonics: Gamma rays search for concealed nuclear threats

Gamma rays are the most energetic type of light wave and can penetrate through lead and other thick containers. A powerful new source of gamma rays will allow officials to search for hidden reactor fuel/nuclear bomb material.

Physics / Optics & Photonics

created May 02, 2011 | popularity not rated yet | comments 0

Theoretical physicists offer explanation of how bacteria might generate radio waves

(PhysOrg.com) -- Four theoretical physicists, led by Allan Widom, of Northeastern University, have published a paper in arXiv, where they show a possible way for some bacteria to produce radio waves. Taking ...

Physics / General Physics

created Apr 28, 2011 | popularity 4.8 / 5 (13) | comments 13 | with audio podcast report