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Brand new physics of superconducting metals refuted by Lancaster physicists


Credit: Lancaster University
Lancaster scientists have demonstrated that other physicists recent discovery of the field effect in superconductors is nothing but hot electrons after all.
A team of scientists in the Lancaster Physics Department have found new and compelling evidence that the observation of the field effect in superconducting metals by another group can be explained by a simple mechanism involving the injection of the electrons, without the need for novel physics.
Dr Sergey Kafanov, who initiated this experiment, said: Our results unambiguously refute the claim of the electrostatic field effect claimed by the other group. This gets us back on the ground and helps maintain the health of the discipline. ....

Ilia Golokolenov , Andrew Guthrie , Yuri Pashkin , Viktor Tsepelin , Sergey Kafanov , Nature Communications , Lancaster Physics Department , Chemistry Physics Materials Sciences , Superconductors Semiconductors , Technology Engineering Computer Science , Nanotechnology Micromachines , ஆண்ட்ரூ குத்ரி , இயற்கை தகவல்தொடர்புகள் , லான்காஸ்டர் இயற்பியல் துறை , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Low temperature physics gives insight into turbulence


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IMAGE: Much of the energy used in sea transport goes into the creation of turbulence
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Credit: Lancaster University
A novel technique for studying vortices in quantum fluids has been developed by Lancaster physicists.
Andrew Guthrie, Sergey Kafanov, Theo Noble, Yuri Pashkin, George Pickett and Viktor Tsepelin, in collaboration with scientists from Moscow State University, used tiny mechanical resonators to detect individual quantum vortices in superfluid helium.
Their work is published in the current volume of
Nature Communications.
This research into quantum turbulence is simpler than turbulence in the real world, which is observed in everyday phenomena such as surf, fast flowing rivers, billowing storm clouds, or chimney smoke. Despite the fact it is so commonplace and is found at every level, from the galaxies to the subatomic, it is still not fully understood. ....

Yuri Pashkin , Andrew Guthrie , George Pickett , Viktor Tsepelin , Sergey Kafanov , Nature Communications , Moscow State University , Theo Noble , Navier Stokes Equations , ஆண்ட்ரூ குத்ரி , ஜார்ஜ் மறியல் , இயற்கை தகவல்தொடர்புகள் , மாஸ்கோ நிலை பல்கலைக்கழகம் ,