K. H. Bennemann – författare
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3 produkter
3 produkter
Del 98 - International Series of Monographs on Physics
Non-linear Optics in Metals
Inbunden, Engelska, 1998
3 251 kr
Skickas inom 7-10 vardagar
The interaction of light with matter, in particular metals, is one of the classical areas of physical studies, and has contributed tremendously to our present understanding of physics. Light has been used successfully to investigate the electronic, magnetic and atomic structure of metal surfaces, as well as thin films, multi-layers, and interfaces. Such optical studies represent a non-destructive technique for materials characterization. The study of magnetism is of particular interest, not only for basic research, but also in view of a variety of applications like storage of information and magnetic recording. For many years the linear Kerr effect, typically exhibiting in metals Kerr rotations of less than one degree, has been used and developed as a successful tool for solid state physics research and applications. Only recently nonlinear optical effects in metals and in particular nonlinear magneto-optical effects have become an intensive area of studies. Due to the high interface sensitivity of nonlinear magneto-optics in contrast to linear magneto-optics, such studies lead to a new tool of investigating electronic stucture and magnetism at metallic interfaces, in thin films and multilayers. The high sensitivity of nonlinear optics and in particular the related, strikingly large Kerr rotations have been a remarkable experimental observation and an impressive example that Maxwell's equations still offer surprises. While future work on electronic and atomic structural phase transitions, on lateral and in-depth resolution of film structure, magnetic contrasts, domain structures, anti-ferromagnetism, or magnetic anisotropy effects will reveal the full potential of second harmonic light generation as a new tool of interface and film research, this book will give a comprehensive introduction to the state of the art in the subject, and will lay the ground for further developments.
Häftad, Engelska, 1982
1 082 kr
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Häftad, Engelska, 2002
3 769 kr
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Superconductivity has undergone tremendous advances in recent years. Most notable of course was the discovery of high temperature superconductivity in the cuprates. This discovery resulted in an enormous influx of new workers to the field representing a host of experimental and theoretical disciplines. When we combine this with the discovery of superconductivity in other materials such as heavy-fermion metals, MgB2, various organics, fullerenes, field-effect devices, magnetic metals under pressure, and presumably non s-symmetry triplet Cooper-pairing in ruthenates (e. g. Sr2Ru04) we have an enrichment of the phenomena superconductivity. This resulted in an explosion of interest in the field. Many of the new superconductors are being called unconventional, either with respect to the pairing mechanism or the symmetry of the under lying order parameter. Yet in spite of these new materials and directions, continuing studies of conventional electron-phonon based superconductivity remain interesting. With the aid of historical hindsight, we expect the field to continue to advance in unexpected directions. Nonetheless it is our view that a state of the art treatise on superconductivity is justified at this time, not only to summarize the present understanding, but also to introduce newcomers to the field, as was the case with the two justly-famous 1968 "bibles of super conductivity" by our former colleague R. D. Parks for an earlier generation. Hopefully the present books might help to point the way for future workers, research and discoveries.