How long does it take an electron to tunnel?
The combination of ab-initio numerical experiments and theory shows that optical tunnelling of an electron from an atom can occur instantaneously.
The combination of ab-initio numerical experiments and theory shows that optical tunnelling of an electron from an atom can occur instantaneously.
General Physics
Aug 25, 2015
18
58
It's not just about how many steps you've taken or how many calories you've burned in a day. Wearable fitness trackers and health monitors are becoming more commonplace and diverse, but just what do you do with all of that ...
Consumer & Gadgets
Jan 11, 2015
1
330
(Phys.org) —A research team at the University of Kansas has used high-powered lasers to track the speed and movement of electrons inside an innovative material that is just one atom thick. Their findings are published in ...
Nanophysics
Apr 15, 2014
2
0
(Phys.org)—An international team of researchers working in the Netherlands has conducted an experiment that sheds new light on the phenomenon known as Extraordinary Optical Transmission (EOT)—where light is able to shine ...
(Phys.org)—Scientists from the University of Tübingen, working with colleagues from Tel Aviv University and the Kiel University have proposed [1] and experimentally demonstrated [2] a new type of superconducting element ...
Superconductivity
Dec 18, 2012
1
0
When placed next to a bar magnet, an aluminum ball draws gently towards the magnet. In contrast, a ball made of silver moves out of the magnetic field. The mechanisms underlying these different behaviors are known as paramagnetism ...
General Physics
Nov 22, 2012
7
0
Got an iPhone? You're in the minority. There were four Android phones for every iPhone shipped in the second quarter, research firm IDC said Wednesday. That's up from a ratio of 2.5 to 1 in the same period last year.
Software
Aug 8, 2012
0
0
Tourists who drift aimlessly during a sightseeing tour are moving randomly - just like electrons that move from one atom to the next. To obtain a better understanding of these random motions it is often useful to reduce their ...
Quantum Physics
Mar 21, 2012
0
0
With nearly 30 million iPads sold, Apple is the undisputed tablet computer champion. BlackBerry maker Research In Motion, US computer giant Hewlett-Packard, South Korea's Samsung and scores of other companies with devices ...
Consumer & Gadgets
Sep 27, 2011
0
0
Amazon.com on Friday sent out enigmatic invitations to a press event, fueling expectations that the online retail titan will release a tablet computer to challenge Apple's iPad.
Engineering
Sep 23, 2011
3
0