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BCS theory (J. Bardeen, L.N. Cooper, J.R. Schrieffer; 1957)
A theory put forth to describe superconductivity and superfluidity both. This recommend that in the superconducting (or superfluid) state electrons form Cooper pairs, where two electrons behave as a single unit. This takes a nonzero amount of energy to break such kind of pairs, and the imperfections in the superconducting solid (which would lead to resistance normally) are incapable of breaking the pairs, thus no dissipation takes place and there is no resistance.
How can time delay between the different modes be reduced? The time delay between the various modes can be reduced when (a) the rays traveling off axis to the fiber are spee
a) A positive point test charge q 0 is placed at the midpoint p among the two equal positive charges q. What forces acts on it at or near this point p? b) Two charges 1X10 -
It is the area or region around the material where magnetic properties can be found is called as “magnetic field”.
A 30g bullet strikes a .650kg block attached to a fixed horizontal spring whose spring constant is 5.90x10 3 N/m and sets it into vibration with an amplitude of 20.0cm. What was th
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Thermodynamics, Similarities between System and Control Volume (a) System and Control Volume are defined by careful in description of their boundaries. (b) System and Control Vol
What is a fiber optic system? This term comprises all the essential elements to install a working unit.
Ask questionwhat r the axis&planes in human body.? In nature or in daily life is it applied or happening? #Minimum 100 words accepted#
Two positive lens L 1 and L 2 has the same focal length f>0. The distance between them is f/2. L 1 is placed to the left of L 2 . (a) An object is placed to the left of L1 wi
A 2350-kg granite tombstone absorbs 2.8 x 10 7 J of energy from the Sun to change its temperature from 5.0°C at night to 20.0°C during an autumn day. Verify the specific heat
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