Bernoulli Potential in Superconductors: How the Electrostatic Field Helps to Understand Superconductivity - Couverture rigide

Lipavsky, Pavel; Kolácek, Jan; Morawetz, Klaus; Brandt, Ernst Helmut; Yang, Tzong-Jer

 
9783540734550: Bernoulli Potential in Superconductors: How the Electrostatic Field Helps to Understand Superconductivity

Synopsis

There are many monographs and textbooks addressing superconductivity from di?erent angles. In spite of a large variety of explored approaches, one problem is always left aside. It is the balance of forces acting on the sup- conducting condensate. In the present book this question is central. As the title suggests, there is a close analogy between the electrostatic ?eld in superconductors and the pressure in the ideal incompressible liquid. As one can easily imagine looking at swirling water, molecules of the inc- pressible liquid are accelerated by gradients of the pressure so that they can follow complicated trajectories often changing their directions and velocities. Electronsinthe superconductorbehavesimilarly, exceptthatthe electrostatic potential plays the role of the pressure. The pressure in any material develops when we reduce its volume. This leads us to the main puzzle. By de?nition, the incompressible liquid never changes its volume. Consequently, how can be any pressure there? Of course, one has the direct experience that there is a pressure in water and one would never deny it. The incompressible liquid is an ideal model which assumes that the pressure we feel has been achieved with a negligibly small change of the volume.

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Présentation de l'éditeur

The motion of electrons in superconductors seems to exceed our imagination based on daily experience with Newtonian mechanics. This book shows that the classical concepts, such as the balance of forces acting on electrons, are useful for understanding superconductivity. The electrostatic field plays a natural part in this balance as it mediates forces between electrons at long distances.

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Autres éditions populaires du même titre

9783642092534: Bernoulli Potential in Superconductors: How the Electrostatic Field Helps to Understand Superconductivity

Edition présentée

ISBN 10 :  3642092535 ISBN 13 :  9783642092534
Editeur : Springer, 2010
Couverture souple