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Michael Tinkham (February 23, 1928 – November 4, 2010) was an American physicist. He was Rumford Professor of Physics and Gordon McKay Research Professor of Applied Physics at Harvard University . [ 1 ]
Superconductivity is a set of physical properties observed in superconductors: ... Tinkham, Michael (2004). Introduction to Superconductivity (2nd ed.). Dover Books.
John Robert Schrieffer, Theory of Superconductivity, (1964), ISBN 0-7382-0120-0 Michael Tinkham , Introduction to Superconductivity , ISBN 0-486-43503-2 Pierre-Gilles de Gennes , Superconductivity of Metals and Alloys , ISBN 0-7382-0101-4 .
Superconductivity is the phenomenon of certain materials exhibiting zero electrical resistance and the expulsion of magnetic fields below a characteristic temperature. The history of superconductivity began with Dutch physicist Heike Kamerlingh Onnes's discovery of superconductivity in mercury in 1911. Since then, many other superconducting ...
The Cooper pair state is responsible for superconductivity, as described in the BCS theory developed by John Bardeen, Leon Cooper, and John Schrieffer for which they shared the 1972 Nobel Prize. [2] Although Cooper pairing is a quantum effect, the reason for the pairing can be seen from a simplified classical explanation.
The superconducting energy gap is a key aspect in the theoretical description of superconductivity and thus features prominently in BCS theory. Here, the size of the energy gap indicates the energy gain for two electrons upon formation of a Cooper pair.
Introduction to superconductivity Video about Type 1 Superconductors: R = 0/Transition temperatures/B is a state variable/Meissner effect/Energy gap (Giaever)/BCS model. Meissner Effect (Hyperphysics) Historical Background of the Meissner Effect
There are two London equations when expressed in terms of measurable fields: =, =. Here is the (superconducting) current density, E and B are respectively the electric and magnetic fields within the superconductor, is the charge of an electron or proton, is electron mass, and is a phenomenological constant loosely associated with a number density of superconducting carriers.