The dynamic behavior of electrons in magnetic fields is crucial for understanding physical processes, such as the quantum Hall effect, which are important in many areas of solid state physics, including electrical conductivity. ...
Quantum Physics
Aug 8, 2014
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When a superconductor is exposed to a magnetic field, a current on its surface appears which creates a counter field that cancels the magnetic field inside the superconductor. This phenomenon, known as "Meissner-Ochsenfeld ...
Quantum Physics
Jul 9, 2014
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Columbia researchers have observed the fractional quantum Hall effect in bilayer graphene and shown that this exotic state of matter can be tuned by an electric field.
Nanophysics
Jul 3, 2014
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(Phys.org) —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 ...
Nanophysics
Dec 22, 2013
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(Phys.org) —It is fascinating how quantum mechanical behavior of particles at smallest scales can give rise to strange properties that can be observed in the classical world. One example is the Fractional Quantum Hall Effect ...
Quantum Physics
Nov 28, 2013
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Scientists have a new way to edge around a difficult problem in quantum physics, now that a research team from the National Institute of Standards and Technology (NIST) and University of Maryland's Joint Quantum Institute ...
Optics & Photonics
Oct 23, 2013
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Researchers at the National Institute of Standards and Technology have reported in Nature the first observation of the "spin Hall effect" in a Bose-Einstein condensate (BEC), a cloud of ultracold atoms acting as a single ...
Quantum Physics
Jun 5, 2013
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Cryogenic Ltd and the National Physical Laboratory (NPL) have designed and developed the most accurate instrument for comparative measurements of electric current. The instrument can now be used by National Measurement Institutes ...
General Physics
Apr 10, 2013
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(Phys.org) —Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have once again demonstrated the incredible capabilities of metamaterials – artificial nanoconstructs ...
Quantum Physics
Mar 21, 2013
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(Phys.org)—If quantum computers are ever going to perform all those expected feats of code-breaking and number crunching, then their component qubits—-tiny ephemeral quantum cells held in a superposition of internal states—-will ...
Quantum Physics
Oct 9, 2012
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