Researchers in Florence and Innsbruck have simulated a physical phenomenon in an atomic quantum gas that can also be observed at the edge of some condensed matter systems: chiral currents. The scientists have published the ...
Quantum Physics
Sep 25, 2015
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Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
Quantum Physics
Feb 22, 2021
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169
In recent years, a phenomenon called the quantum Hall effect has emerged as a platform for hosting exotic features called quasiparticles, with properties that could lead to exciting applications in areas like quantum computing. ...
Nanophysics
Jan 21, 2022
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156
A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of ...
Condensed Matter
Mar 6, 2024
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Cornell researchers have used magnetic imaging to obtain the first direct visualization of how electrons flow in a special type of insulator, and by doing so they discovered that the transport current moves through the interior ...
Condensed Matter
Aug 3, 2023
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39
The transport of particles is usually induced by applying an external gradient to a system. Water, for example, flows down a slope and electric current is generated by applying a voltage. But already in ancient times another ...
Quantum Physics
Dec 17, 2015
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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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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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Conductors of electrical current, including copper, heat up and limit the ability to increase circuit densities. Unusual materials that exhibit the so-called ‘quantum spin Hall effect’, in which current can flow ...
General Physics
Sep 30, 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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