News tagged with quantum theory

The perfect liquid -- now even more perfect

Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...

Physics / Plasma Physics

created Jan 17, 2012 | popularity 4.9 / 5 (10) | comments 9 | with audio podcast

'Unwell' Stephen Hawking misses 70th birthday event

British scientist Stephen Hawking was forced to miss a scientific debate to mark his 70th birthday Sunday due to ill health but sent an upbeat message saying he was living at a "glorious time".

Physics / General Physics

created Jan 08, 2012 | popularity 5 / 5 (2) | comments 1

Stephen Hawking celebrates 70th birthday

British scientist Stephen Hawking celebrated his 70th birthday Sunday, an age many experts never expected the motor neurone disease sufferer to reach.

Physics / General Physics

created Jan 08, 2012 | popularity not rated yet | comments 0

Physicists propose test for loop quantum gravity

(PhysOrg.com) -- As a quantum theory of gravity, loop quantum gravity could potentially solve one of the biggest problems in physics: reconciling general relativity and quantum mechanics. But like all tentative ...

Physics / Quantum Physics

created Jan 03, 2012 | popularity 4.3 / 5 (34) | comments 106 | with audio podcast feature

U of Toronto experiment named top breakthrough of 2011 by Physics World

Aephraim Steinberg and colleagues at the Centre for Quantum Information and Quantum Control at the University of Toronto had the top physics breakthrough of the year according to Physics World magazine.

Physics / General Physics

created Dec 16, 2011 | popularity 5 / 5 (6) | comments 19

String theory researchers simulate big-bang on supercomputer

(PhysOrg.com) -- A trio of Japanese physicists have applied a reformulation of string theory, called IIB, whereby matrices are used to describe the properties of the physical universe, on a supercomputer, to effectively sho ...

Physics / General Physics

created Dec 14, 2011 | popularity 4.7 / 5 (24) | comments 75 | with audio podcast weblog

A new 'lens' for looking at quantum behavior

(PhysOrg.com) -- In a paper published in Physical Review Letters, researchers Daniel Terno (Macquarie University, Australia) and Radu Ionicioiu (Institute of Quantum Computing, Canada) provide a new perspe ...

Physics / Quantum Physics

created Dec 14, 2011 | popularity 4 / 5 (3) | comments 6 | with audio podcast

One clock with two times: When quantum mechanics meets general relativity

The unification of quantum mechanics and Einstein's general relativity is one of the most exciting and still open questions in modern physics. General relativity, the joint theory of gravity, space and time ...

Physics / Quantum Physics

created Oct 19, 2011 | popularity 4.6 / 5 (20) | comments 8 | with audio podcast

Quantum teleportation analysed by mathematical separation tool

Scientists from the University of Vienna's Faculty of Physics in Austria recently gave a theoretical description of teleportation phenomena in sub-atomic scale physical systems, in a publication in the European Physical Jo ...

Physics / Quantum Physics

created Sep 27, 2011 | popularity not rated yet | comments 1

Escaping gravity's clutches: The black hole breakout

New research by scientists at the University of York gives a fresh perspective on the physics of black holes.

Physics / General Physics

created Aug 11, 2011 | popularity 4.6 / 5 (16) | comments 18 | with audio podcast

Don't have all the information? In the quantum world, that doesn't matter

(PhysOrg.com) -- When it comes to the rules of the quantum world, it seems that almost everything goes against intuition. In the case of the way ignorance of the whole implies ignorance of at least one of its parts, the situation ...

Physics / Quantum Physics

created Jul 26, 2011 | popularity 4.5 / 5 (13) | comments 17 | with audio podcast feature

Mechanical micro-drum cooled to quantum ground state

Showcasing new tools for widespread development of quantum circuits made of mechanical parts, scientists from the National Institute of Standards and Technology have demonstrated a flexible, broadly usable ...

Physics / Quantum Physics

created Jul 06, 2011 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

Modeling the bizarre: Quantum superfluids

(PhysOrg.com) -- More than 100 years since superconductivity was discovered, a comprehensive description for the behavior of a broad class of fundamental physical systems that exhibit the bizarre properties ...

Physics / Quantum Physics

created Jun 23, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

New theory shows one-way transmission materials should be possible for sound and light waves

(PhysOrg.com) -- Physicist Stefano Lepri of the Italian National Research Council and his partner Giulio Casati of the University of Insubria, have published a paper in Physical Review Letters, where they demonstrate throug ...

Physics / General Physics

created May 03, 2011 | popularity 5 / 5 (2) | comments 16 | with audio podcast report

Quantum explanation for how we smell gets new support

(PhysOrg.com) -- Since 1996, when biophysicist Luca Turin first suggested that quantum mechanics may help explain how we smell various odors, the idea has met with controversy. In the past 15 years, some studies ...

Physics / Quantum Physics

created Mar 28, 2011 | popularity 5 / 5 (28) | comments 2 | with audio podcast report