Principles of Superconductive Devices and Circuits |
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Page 216
... SQUID Magnetometers In this section we shall study the application of quantum interference effects for the sensitive detection of extremely weak quasistatic magnetic fields . The term SQUID is an acronym for Superconducting Quantum ...
... SQUID Magnetometers In this section we shall study the application of quantum interference effects for the sensitive detection of extremely weak quasistatic magnetic fields . The term SQUID is an acronym for Superconducting Quantum ...
Page 221
... SQUID The basic principle of operation of the RF SQUID is that when a superconducting loop containing a Josephson junction as shown in Fig . 5.1le is coupled to a tuned circuit driven by an RF current source and the quasistatic applied ...
... SQUID The basic principle of operation of the RF SQUID is that when a superconducting loop containing a Josephson junction as shown in Fig . 5.1le is coupled to a tuned circuit driven by an RF current source and the quasistatic applied ...
Page 224
... SQUID loop on the quasistatic applied magnetic flux to be measured . Amplitude modulation by the audio oscillator is ... SQUID loop . There is , however , a periodic variation of the SQUID - loop reactive loading on the tuned circuit ...
... SQUID loop on the quasistatic applied magnetic flux to be measured . Amplitude modulation by the audio oscillator is ... SQUID loop . There is , however , a periodic variation of the SQUID - loop reactive loading on the tuned circuit ...
Contents
Electrodynamics of Superconductors in Weak | 3 |
Josephson Tunnel Junctions | 139 |
Circuit | 165 |
Copyright | |
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Principles of Superconductive Devices and Circuits Theodore Van Duzer,Charles William Turner No preview available - 1999 |
Common terms and phrases
amplitude applied flux assumed average barrier BCS theory behavior calculated capacitance circulating current coherence length component conductivity conductor constant Cooper pair critical current critical field current density devices effect electrons equations excitation energy experimental Fermi energy Fermi gas Fermi surface Figure film flux density flux quantum footnote frequency Gibbs free energy Ginzburg-Landau given ground plane Helmholtz free energy I-V characteristic IEEE impedance inductance integral interaction interferometer Josephson junction lattice magnetic field magnetic flux magnitude materials maximum zero-voltage current Meissner microscopic normal metal obtain order parameter pair penetration depth phase difference phonon Phys pinning potential Problems quasiparticle region relation resistance result sample scattering semiconductor shown in Fig shows signal specific heat SQUID supercon superconductor temperature dependence theory thermal thickness tion transition transport current tunnel junction tunneling current two-fluid model variation velocity voltage vortex vortices wave function zero Φο