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Search results for quantized conductance

Condensed Matter Feb 5, 2014

Crossover sound: Unambiguous evidence for coherent phonons in superlattices

We all learn in high school science about the dual nature of light - that it exists as both waves and quantum particles called photons. It is this duality of light that enables the coherent transport of photons in lasers. ...

Nanophysics Dec 22, 2013

Graphene can host exotic new quantum electronic states at its edges

(Âé¶¹ÒùÔº) —Graphene has become an all-purpose wonder material, spurring armies of researchers to explore new possibilities for this two-dimensional lattice of pure carbon. But new research at MIT has found additional potential ...

General Âé¶¹ÒùÔºics May 31, 2013

Artificial magnetic monopoles discovered

A team of researchers from Cologne, Munich and Dresden have managed to create artificial magnetic monopoles. To do this, the scientists merged tiny magnetic whirls, so-called skyrmions. At the point of merging, the physicists ...

Quantum Âé¶¹ÒùÔºics Apr 29, 2013

Gravity's lingua franca: Unifying general relativity and quantum theory through spectral geometry

(Âé¶¹ÒùÔº) —Mathematics is, in essence, an artificial language for precisely articulating theories about the physical world. Unlike natural language, however, translating different classes of mathematics can be difficult ...

Nanophysics Dec 19, 2012

Super benzene oligomers pave the way for new types of quantum computers

Scanning tunneling microscopy (STM) is routinely employed by physicists and chemists to capture atomic-scale images of molecules on surfaces. Now, an international team led by Christian Joachim and co-workers from the A*STAR ...

Engineering Jul 5, 2012

Robot vision: Muscle-like action allows camera to mimic human eye movement

Using piezoelectric materials, researchers have replicated the muscle motion of the human eye to control camera systems in a way designed to improve the operation of robots. This new muscle-like action could help make robotic ...

Condensed Matter May 15, 2012

Beyond the high-speed hard drive: Topological insulators open a path to room-temperature spintronics

(Âé¶¹ÒùÔº) -- Strange new materials experimentally identified just a few years ago are now driving research in condensed-matter physics around the world. First theorized and then discovered by researchers at the Lawrence ...

General Âé¶¹ÒùÔºics Apr 30, 2012

Superconducting strip could become an ultra-low-voltage sensor

Researchers studying a superconducting strip observed an intermittent motion of magnetic flux which carries vortices inside the regularly spaced weak conducting regions carved into the superconducting material. These vortices ...

Nanophysics Aug 31, 2011

Microscopy, quantum-style: Atomic stacks imaged in real space

(Âé¶¹ÒùÔºOrg.com) -- Since the first optical microscopes appeared in the late 1600s – an exact date and original inventor elude precise identification – microscopy has evolved dramatically. Scanning tunneling microscopy ...

Nanophysics Apr 18, 2011

New kid on the plasmonic block

With its promise of superfast computers and ultrapowerful optical microscopes among the many possibilities, plasmonics has become one of the hottest fields in high-technology. However, to date plasmonic properties have been ...

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