By Paul Seidel
This wide-ranging presentation of utilized superconductivity, from basics and fabrics correct as much as the main points of many functions, is a vital reference for physicists and engineers in educational study in addition to in undefined.
Readers searching for a accomplished evaluation on easy results regarding superconductivity and superconducting fabrics will extend their wisdom and figuring out of either high and low Tc superconductors with appreciate to their program. expertise, training and characterization are coated for bulk, unmarried crystals, thins fi lms in addition to digital units, wires and tapes.
The major good thing about this paintings lies in its large insurance of important purposes in magnets, energy engineering, electronics, sensors and quantum metrology. The reader will locate info on superconducting magnets for varied functions like particle physics, fusion learn, drugs, and biomagnetism in addition to fabrics processing. SQUIDs and their utilization in medication or geophysics are
thoroughly coated, as are superconducting radiation and particle detectors, elements on superconductor electronic electronics, best readers to quantum computing and new devices.
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Extra resources for Applied Superconductivity: Handbook on Devices and Applications
If we move around the atomic nucleus starting from a speciﬁc point, the wave function must reproduce itself exactly if we return to this starting point. Here, the phase of the wave function can change by an integer multiple of 2π, since this does not aﬀect the wave function. We can have the same situation also on a macroscopic scale. Imagine that we have an arbitrary wave propagating without damping in a ring with radius R. The wave can become stationary, if an integer number n of wavelengths ???? exactly ﬁts into the ring.
In an ideal homogeneous superconductor, in general, these vortices arrange themselves in form of a triangular lattice. 5, we show schematically this structure of the Shubnikov phase. The superconductor is penetrated by magnetic ﬂux lines, each of which carries a magnetic ﬂux quantum and is located at the corners of equilateral triangles. 5 are indicated for two ﬂux lines. These currents together with the external magnetic ﬁeld generate the magnetic ﬂux within the ﬂux line and reduce the magnetic ﬁeld between the ﬂux lines.
Because of the Meissner–Ochsenfeld eﬀect, the magnetic ﬁeld is expelled from the superconductor. The shielding super-currents only ﬂow near the surface of the superconductor and decay exponentially toward the interior, as we will discuss further below. We can place the integration path, along which Eq. 1) must be evaluated, deep into the interior of the ring. In this case, the integral over the current density is exponentially small, and we obtain in good 3) The moving wave is connected with the motion of the center of mass of the pairs, which is identical for all pairs.
Applied Superconductivity: Handbook on Devices and Applications by Paul Seidel