Search results for quanta

Astronomy Oct 2, 2009

Heart of a galaxy emits gamma rays

(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the remnants they ...

Quantum Physics Aug 11, 2009

Pushing quantum mechanics to higher levels

Scientists at UC Santa Barbara have devised a new type of superconducting circuit that behaves quantum mechanically -- but has up to five levels of energy instead of the usual two. The findings are published in the August ...

Computer Sciences Jul 30, 2009

A police woman fights quantum hacking and cracking

The first desktop computers changed the way we managed data forever. Three decades after their introduction, we rely on them to manage our time, social life and finances -- and to keep this information safe from prying eyes ...

General Physics Jul 28, 2009

Physicists Propose a Method to Observe Dirac Monopoles

(PhysOrg.com) -- For decades, scientists have been intrigued by the hypothetical existence of magnetic monopoles - particles with only a north or south magnetic pole, thus having a nonzero magnetic charge. But while modern ...

General Physics Jun 17, 2009

Researchers putting a freeze on oscillator vibrations

University of Oregon physicists have successfully landed a one-two punch on a tiny glass sphere, refrigerating it in liquid helium and then dosing its perimeter with a laser beam, to bring its naturally occurring mechanical ...

Quantum Physics May 29, 2009

Researchers make breakthrough in the quantum control of light

Researchers at UC Santa Barbara have recently demonstrated a breakthrough in the quantum control of photons, the energy quanta of light. This is a significant result in quantum computation, and could eventually have implications ...

Quantum Physics Apr 14, 2009

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 for the ongoing ...

Nanomaterials Mar 13, 2009

Quantum dots and nanomaterials: Ingredients for better lighting and more reliable power

Imagine flexible lighting devices manufactured by using printing techniques. Imagine solar power sources equally as reliable and as portable as any conventional power source.

Condensed Matter Feb 25, 2009

Cross-Dressing Rubidium May Reveal Clues for Exotic Computing

(PhysOrg.com) -- Neutral atoms--having no net electric charge--usually don't act very dramatically around a magnetic field. But by “dressing them up” with light, researchers at the Joint Quantum Institute, a collaborative ...

General Physics Feb 3, 2009

Researchers could herald a new era in fundamental physics

Cardiff University researchers who are part of a British-German team searching the depths of space to study gravitational waves, may have stumbled on one of the most important discoveries in physics according to an American ...

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