News tagged with relaxation time

Life Expectancy on the Rise -- Even for Quantum States

(PhysOrg.com) -- For the first time, scientists have succeeded in measuring and controlling the lifetime of quantum states with potential use in optoelectronic chips. This achievement is highly significant ...

Physics / Quantum Physics

created Apr 14, 2009 | popularity 5 / 5 (6) | comments 0

Putting a spin on light and atoms: How to build a better magnetometer

Magnetometers come in many shapes and sizes - an ordinary hand-held compass is the simplest - but alkali-vapor magnetometers are extrasensitive devices that measure magnetic fields using light and atoms. They ...

Physics / General Physics

created Sep 15, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Of traffic jams, beach sands and the zero-temperature jamming transition

Researchers in condensed matter physics at the University of Pennsylvania and the University of Chicago have created an experimental and computer model to study how jamming, the physical process in which collections of particles ...

Physics / Condensed Matter

created May 13, 2009 | popularity 3.3 / 5 (3) | comments 0