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Search results for time-reversal symmetry

Mathematics Oct 12, 2012

Six-year journey leads to proof of Feit-Thompson Theorem

At 5:46 p.m. on Sept. 20, Georges Gonthier, principal researcher at Microsoft Research Cambridge, sent a brief email to his colleagues at the Microsoft Research-Inria Joint Centre in Paris. It read, in full: "This is really ...

General Âé¶¹ÒùÔºics Aug 23, 2012

Âé¶¹ÒùÔºicists demonstrate first time reversal of water waves

(Âé¶¹ÒùÔº)—In spite of its name, the time reversal of a wave doesn't involve sending the wave back in time, but for scientists, the process is almost as compelling. After a source generates a wave, the wave propagates through ...

General Âé¶¹ÒùÔºics Aug 1, 2012

Theoretical physicists probe the Majorana mystery

(Âé¶¹ÒùÔº) -- With headlines proclaiming the discovery of the Higgs boson particle physics has captured the imagination of the world, particularly among those who dwell on the nature of the cosmos. But this is only one puzzle ...

General Âé¶¹ÒùÔºics Jul 5, 2012

The decades-long search for the Higgs

(Âé¶¹ÒùÔº) -- It was a little over two years ago that the Large Hadron Collider kicked off its search for the Higgs boson. But the hunt for the Higgs really began decades ago with the realization of a puzzle to be solved, ...

General Âé¶¹ÒùÔºics Mar 16, 2012

Third research team close to creating Majorana fermion

(Âé¶¹ÒùÔºOrg.com) -- Recently there has been a virtual explosion of research efforts aimed at creating the elusive Majorana fermion with different groups claiming to be near to creating them. First there was news that a team ...

Nanomaterials Mar 16, 2012

Straintronics: Engineers create piezoelectric graphene

In what became known as the 'Scotch tape technique," researchers first extracted graphene with a piece of adhesive in 2004. Graphene is a single layer of carbon atoms arranged in a honeycomb, hexagonal pattern. It looks like ...

General Âé¶¹ÒùÔºics Mar 7, 2012

'Anti-atomic fingerprint': Âé¶¹ÒùÔºicists manipulate anti-hydrogen atoms for the first time (Update)

The ALPHA collaboration at CERN in Geneva has scored another coup on the antimatter front by performing the first-ever spectroscopic measurements of the internal state of the antihydrogen atom. Their results are reported ...

Quantum Âé¶¹ÒùÔºics Jan 30, 2012

Quantum physicists shed new light on relation between entanglement and nonlocality

(Âé¶¹ÒùÔºOrg.com) -- New research from the University of Bristol may disprove a long-standing conjecture made by one of the founders of quantum information science: that quantum states featuring ‘positive partial transpose’, ...

Materials Science Dec 2, 2011

Crystallizing the switch to hydrogen

Hydrogen gas is an almost infinitely inexhaustible fuel source that emits only clean water during combustion. Switching from hydrocarbon-based transportation to systems powered by state-of-the-art fuel cells therefore seems ...

Quantum Âé¶¹ÒùÔºics Nov 21, 2011

Through simple system studies, researchers are unearthing a new quantum state of matter

Researchers at the University of Pittsburgh have made advances in better understanding correlated quantum matter that could change technology as we know it, according to a study published in the Nov. 20 edition of Nature.

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