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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(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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(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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Physicists have directly imaged Landau Levels – the quantum levels that determine electron behaviour in a strong magnetic field – for the first time since they were theoretically conceived of by Nobel prize winner Lev ...
General Physics
Oct 1, 2012
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A team of researchers at RIKEN and the University of Tokyo has demonstrated a new material that promises to eliminate loss in electrical power transmission. The surprise is that their methodology for solving this classic ...
General Physics
Aug 19, 2012
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(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.
General Physics
May 7, 2012
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New research using graphene presents the most precise measurements of the quantum Hall effect ever made, one of the key steps in the process to redefine two SI units.
General Physics
Sep 29, 2011
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Surprisingly, transmitting information-rich photons thousands of miles through fiber-optic cable is far easier than reliably sending them just a few nanometers through a computer circuit. However, it may soon be possible ...
General Physics
Aug 22, 2011
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The discoveries of superconductivity, the quantum Hall effect and the fractional quantum Hall effect were all the result of measurements made at increasingly lower temperatures. Now, pushing the regime of the very cold into ...
General Physics
Dec 12, 2010
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