News tagged with computational physics

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

In metallic glasses, researchers find a few new atomic structures

Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...

Physics / Condensed Matter

created May 11, 2012 | popularity 3.4 / 5 (7) | comments 2 | with audio podcast

Researchers demonstrate new way to control nonvolatile magnetic memory devices

(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.

Physics / General Physics

created May 07, 2012 | popularity not rated yet | comments 1 | with audio podcast

Simplicity and quantum complexity

Simulations of reality would require less memory on a quantum computer than on a classical computer, new research from scientists at the University of Bristol, published in Nature Communications, has shown.

Physics / Quantum Physics

created May 04, 2012 | popularity 4.5 / 5 (8) | comments 11 | with audio podcast

Game of go: A complex network

Could computers ever beat the best go players? Although unthinkable at this stage, this could soon become possible, thanks to CNRS theorists. For the first time, two scientists from the Theoretical Physics ...

Other Sciences / Mathematics

created Apr 16, 2012 | popularity 4.5 / 5 (10) | comments 31

143 is largest number yet to be factored by a quantum algorithm

(Phys.org) -- While factoring an integer is a simple problem when the integer is small, the complexity of factorization greatly increases as the integer increases. When the integer grows to more than 100,000 ...

Physics / Quantum Physics

created Apr 11, 2012 | popularity 4.7 / 5 (19) | comments 10 | with audio podcast feature

How quantum physics could make 'The Matrix' more efficient

Researchers have discovered a new way in which computers based on quantum physics could beat the performance of classical computers. The work, by researchers based in Singapore and the UK, implies that a Matrix-like ...

Physics / Quantum Physics

created Mar 29, 2012 | popularity 4.9 / 5 (9) | comments 2

When ions get closer: New physical attraction between ions in quantum plasmas

Nowadays, ever smaller and more powerful computer chips are in demand. German physicists have discovered a new physical attraction that accelerates this progress.

Physics / Plasma Physics

created Mar 26, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Highest honors for quantum computer pioneer

Experimental physicist Rainer Blatt from the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria, will receive the Stern-Gerlach Medal of the German Physical Society. The medal ...

Physics / Quantum Physics

created Mar 23, 2012 | popularity 5 / 5 (6) | comments 0

How the alphabet of data processing is growing: Research team generates flying 'qubits'

The alphabet of data processing could include more elements than the "0" and "1" in future. An international research team has achieved a new kind of bit with single electrons, called quantum bits, or qubits. ...

Physics / Quantum Physics

created Mar 21, 2012 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

Researchers engineer molecular magnets to act as long-lived qubits

(PhysOrg.com) -- Some physicists today are investigating the possibility of using molecular magnets as information storage units in future quantum computers. Molecular magnets are molecules whose magnetic ...

Physics / General Physics

created Mar 21, 2012 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast feature

The origins of a torus in a galactic nucleus

(PhysOrg.com) -- Quasars are among the most energetic objects in the universe, with some of them as luminous as ten thousand Milky Way galaxies. Quasars are thought to have massive black holes at their cores, ...

Space & Earth / Astronomy

created Mar 13, 2012 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Scientists use physical experiments, computer modelling to explore efficiency of bladed tooth shape

Using a combination of guillotine-based experiments and cutting-edge computer modelling, researchers at the University of Bristol have explored the most efficient ways for teeth to slice food. Their results, ...

Biology / Other

created Mar 06, 2012 | popularity 5 / 5 (1) | comments 1

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Physics / Quantum Physics

created Mar 06, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast