News tagged with wave packets

Rice lab mimics Jupiter's Trojan asteroids inside a single atom

Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...

Physics / Quantum Physics

created Jan 24, 2012 | popularity 4.5 / 5 (13) | comments 6 | with audio podcast

HK physicists prove single photons do not exceed the speed of light

(PhysOrg.com) -- Hong Kong physicists say they have proved that a single photon obeys Einstein's theory that nothing can travel faster than the speed of light -- demonstrating that outside science fiction, ...

Physics / General Physics

created Jul 24, 2011 | popularity 5 / 5 (15) | comments 56 | with audio podcast

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

Researchers demonstrate electo-optic modulation of single photons from a quantum dot

(PhysOrg.com) -- In a recent article in Applied Physics Letters, CNST researchers demonstrated how commercially available electro-optic modulators can be used to tailor the single photon output of quantum dots (QDs) for us ...

Physics / Optics & Photonics

created Jun 30, 2011 | popularity 3.7 / 5 (3) | comments 0

Study finds single photons cannot exceed the speed of light

(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...

Physics / Optics & Photonics

created Jun 24, 2011 | popularity 4.5 / 5 (28) | comments 91 | with audio podcast feature

What makes the giant freak wave 'stable'

The dreaded giant freak wave that can appear on the open sea out of nowhere, can now for the first time be theoretically calculated and modelled. Researchers at Umea University and the Ruhr-Universitat Bochum in Germany have ...

Physics / General Physics

created Jun 18, 2010 | popularity 4.8 / 5 (15) | comments 4 | with audio podcast

Physicists Propose Method for Entangling Moving Material Particles

(PhysOrg.com) -- When physicists experiment with quantum entanglement, they usually work with photons, the intangible particles of light. In the past few years, however, scientists have begun to broaden their ...

Physics / General Physics

created Jan 16, 2009 | popularity 4.2 / 5 (16) | comments 14 feature