News tagged with energy barrier

Coupled particles cross energy wall

For the first time, a new kind of so-called Klein tunnelling-representing the quantum equivalent of crossing an energy wall- has been presented in a model of two interacting particles. This work by Stefano Longhi and Giuseppe ...

dateMay 29, 2013 in General Physics
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Adhesion disturbed by noise

Imagine a solid ball rolling down a slightly inclined ramp. What could be perceived as child's play is the focus of serious theoretical research by Manoj Chaudhury and Partho Goohpattader, two physicists from Lehigh University, ...

dateDec 17, 2012 in General Physics
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Atomic bits despite zero-point energy?

So-called "zero-point energy" is a term familiar to some cinema lovers or series fans; in the fictional world of animated films such as "The Incredibles" or the TV series "Stargate Atlantis", it denotes a powerful and virtually ...

dateJul 08, 2016 in Nanophysics
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