Anomalous Effects in Simple Metals by Albert Overhauser, Gene Dresselhaus PDF

By Albert Overhauser, Gene Dresselhaus

ISBN-10: 3527408592

ISBN-13: 9783527408597

ISBN-10: 3527631461

ISBN-13: 9783527631469

Utilizing potassium to illustrate, this paintings offers a different method of the anomalous results in metals, leading to wisdom that may be utilized to related fabrics.
such a lot theoretical predictions at the electrical, magnetic, optical, and thermal houses of an easy steel do ? strangely ? now not accept as true with experimental habit present in alkali metals. the aim of this quantity is to rfile the various phenomena that experience violated expectancies. It collects in a single position the examine via Albert Overhauser, one of many pioneers of the sector. His and his collaborators paintings has resulted in a unified synthesis of alkali steel peculiarities. the original number of sixty five reprint papers, commented the place essential to clarify the context and viewpoint, is preceded via a radical and good paced introduction.
The e-book is intended to complicated stable country physics and technological know-how historians.
it could actually additionally function extra interpreting in complex good nation physics courses.
With a foreword by way of Mildred and Gene Dresselhaus

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Analysis of the torque anisotropy is based on the theory of Visscher and Falicov [Ref. 7, R39], who calculated the induced torque [Eq. 2] for a sphere with a general resistivity tensor. The residual-resistivity derived from the data (mentioned above) requires the resistivity, , parallel to Q to be about five times perpendicular to Q [R12]. Such an anisotropy arises from CDW umklapp scattering of (isotropic) impurity potentials [R20] on account of the CDW admixtures, Eq. 1, in the wavefunctions. The resistivity anisotropy increases (with increasing T) when phason umklapp scattering becomes important [R27].

26%, arises from the Fermi hyperfine coupling to the electron-spin polarization. The CDW will cause K o to vary in proportion to the local conduction-electron charge density: K o0 (r) D K o 1 C p cos(Q r) . 6) In a 6T magnetic field, K o D 156O e. 11 [Eq. 1]. Follstaedt and Slichter [Ref. 5 ı K in a 6T field. 215O e, agrees with the value expected if a CDW were not present. Phase fluctuations can motionally narrow the Knight-shift broadening caused by the CDW [R47], and this can explain the null result found by Follstaedt and Slichter.

There are many small, higher-order gaps [R36] which create absorption bands in the far infrared [R43]. 1 with some exaggeration. This lemon-shaped anisotropy leads, as we now show, to a splitting of the conduction-electron spin resonance. Electron spin resonance was studied by Walsh, Jr. et al. [Ref. 2 mm thick), which had been squeezed under oil between parafilm sheets. 3 ı K in a field, H D 4200 G. 3 G shift of the resonance relative to that for a free electron. The theory for g shifts in metals is due to Yafet [Ref.

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Anomalous Effects in Simple Metals by Albert Overhauser, Gene Dresselhaus


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