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Tuesday, July 14, 2020 | History

8 edition of The electron-phonon interaction in metals found in the catalog.

The electron-phonon interaction in metals

by GoМ€ran Grimvall

  • 305 Want to read
  • 28 Currently reading

Published by North-Holland Pub. Co. : sole distributors for the U.S.A. and Canada, Elsevier North-Holland in Amsterdam, New York .
Written in English

    Subjects:
  • Electron=phonon interactions.,
  • Metals -- Electric properties.

  • Edition Notes

    StatementGöran Grimvall.
    SeriesSelected topics in solid state physics ;, 16
    Classifications
    LC ClassificationsQC793.5.E628 G74
    The Physical Object
    Paginationxiv, 304 p. :
    Number of Pages304
    ID Numbers
    Open LibraryOL4255043M
    ISBN 10044486105X
    LC Control Number81000365

    interact with lattice vibrations, ie phonons, and the electron-phonon interaction determines many of the basic properties of metals. Perhaps the most important is superconductivity, which is due to an indirect electron-electron interaction which takes place through phonons. Interactions with Cited by: About this book Introduction Earlier studies generally considered electrical contacts of large dimensions, having regions of current concentration with diameters substantially larger than the characteristic dimensions of the material: the interatomic distance, the mean free path for electrons, the coherence length in the superconducting state.

    This Hamiltonian was derived in Chapter 1, with the form of the interaction given in Sec. The LO phonons are usually represented by an Einstein model, i.e., the phonon frequency ω 0 = ω LO is taken to be a constant. Since there is a single electron, the Hamiltonian may also be written asCited by: Influence of the Exchange and Correlation on the Electron-Phonon Interaction in Metals Journal Article Toya, Tomiyuki - Progress of Theoretical Physics (Kyoto) Bearden and Pines investigated the role of electronelectron interactions in metals by extending the BohmPines collective description method.

    CHAPTER II - PHONONS AND THE ELECTRON-PHONON INTERACTION 10 Phonons and Born-von Karman Theory 10 The Electron-Phonon Interaction 19 CHAPTER III - FORCE CONSTANTS AND PSEUDOPOTENTIALS FOR ZINC AND THALLIUM 24 Lattice Dynamics of the Hexagonal Close-Packed Metals - The MAS Model 24 2 2Author: Paul Thomas Truant. 4 / 23 II. THEORY: Majumdar and Reddy3 first introduced the two-temperature model to explain the role of e-ph coupling in thermal conductance of a metal-nonmetal interface. Their derived model reads: p l p k h k (1) where h pp is the phonon-phonon thermal conductance at the interface, g is the e-ph coupling factor and kp is the phonon thermal conductivity of metal.


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The electron-phonon interaction in metals by GoМ€ran Grimvall Download PDF EPUB FB2

The electron–phonon interaction also contributes to thermodynamic prop erties. In Chap- ter 5 we will consider the contribution to the en tropy of metals at intermediate tempera-Author: Nicolas Bock.

Additional Physical Format: Online version: Grimvall, Göran. Electron-phonon interaction in metals. Amsterdam ; New York: North-Holland Pub. Co.: Sole distributors. Grimvall G. The electron-phonon interaction in metals (sole distributors for the U.S.A.

and Canada, Elsevier NH, )(ISBN X). Electron-phonon interactions. The electron-phonon interaction also contributes to the self-energy of an electron. This dependence is usually not an important aspect of photoemission in simple metals.

However, the electron-phonon interaction is important for other systems. ments by many people, [8] electron-phonon interactions have grown from a qualitative concept to such an extent that measurements on superconductors are now used to derive detailed quantitative information about the interaction and its energy dependence.

Further, for many of the simpler metals and alloys. The Electron-Phonon Interaction in Metals (Selected Topics in Solid State Physics XVI) Hardcover – January 1, by Göran Grimvall (Author) See all formats and editions Hide other formats and editions.

Price New from Used from Cited by: The electron-phonon interaction in metals by Göran Grimvall,North-Holland Pub. Co.: sole distributors for the U.S.A. and Canada, Elsevier North-Holland edition, in EnglishCited by: Theoretical work dealing with the electron-phonon interaction (EPI) and its effects on the physical properties of metals is reviewed.

The many-body approach and that using Landau's Fermi-liquid. Atlas of point contact spectra of electron-phonon interactions in metals.

Boston: Kluwer Academic, © (OCoLC) Online version: I︠A︡nson, I.K. (Igorʹ Kondratʹevich). Atlas of point contact spectra of electron-phonon interactions in metals. Boston: Kluwer Academic, © (OCoLC) Material Type: Internet resource.

The tight-binding method is used to calculate 〈I 2 〉, the Fermi surface average of the squared electron-phonon coupling constant for 4d b.c.c.—transition metals and alloys. When nonorthogonality effects are properly included, our results for 〈I 2 〉 agree very well with empirical values.

Moreover, the variation of 〈I 2 〉 can be understood in simple physical by: 5. electron-phonon interactions, and related properties for a number of elemental metals such as Al, Cu, Mo, Nb, Pb, Pd, Ta, and V.

Section IV concludes the paper. METHOD The central problem in calculating the electron-phonon interaction is the evaluation of changes in the electronic Hamiltonian caused by atomic displacements.

This generallyFile Size: KB. The rst term in this equation is the interaction of the electrons with the static, frozen lattice. This part was already included in the electronic Hamiltonian, so we do not need to consider it again. The second term is the extra part describing the electron-phonon interaction.

Let’s consider it carefully. Find many great new & used options and get the best deals for Atlas of Point Contact Spectra of Electron-Phonon Interactions in Metals by A.

Khotkevich and I. Yanson (, Hardcover) at the best online prices at eBay. Free shipping for many products. Electron-phonon coupling (EPC) also provides in a fundamental way an attractive electron-electron interaction, which is always present and, in many metals, is the origin of the electron pairing underlying the macroscopic quantum phenomenon of superconductivity.

This lecture addresses the consequences of electron-phonon coupling in both the. This chapter begins with a discussion of the general theory of transition possibilities. It then discusses anharmonic lattice forces, effects of selection rules, interaction with optical modes, four-phonon processes, elastic anharmonicity, thermal expansion, and the absorption of sound in : J.

Ziman. About this book Earlier studies generally considered electrical contacts of large dimensions, having regions of current concentration with diameters substantially larger than the characteristic dimensions of the material: the interatomic distance, the mean free path for electrons, the coherence length in the superconducting state, etc.

A review of the problems of high-temperature superconductivity is presented, and critical temperature considerations are given. In addition, attention is given to electron-phonon interaction in metals and lattice stability problems, superconductivity in three-dimensional quasi-isotropic systems, and possible increases in critical temperature.

electron temperature Eq. 1, namely, the electron-phonon coupling factor, the electron heat capacity, and the heat con-ductivity. Due to the small heat capacity of the electrons in metals and the finite time needed for the electron-phonon equilibration, irradiation by a short laser pulse can transiently.

4 Electron-phonon interaction 1 Hamiltonian electron-phonon coupling which leads to screening and the recov-ery of the acoustic spectrum. The main point is to realize that the singular behavior is due to the long-range Coulomb interac-tion, which will be screened.

Any time a phonon of momentumFile Size: 87KB. The electron{phonon interaction in metals becomes very weak at very low temper-atures (sub{Kelvin temperatures). It is very challenging to measure such weak inter- {50 times larger than the expected book values. We also develop a new on-chip calibration scheme for ultra{sensitive submillimeter detectors, with phonon-cooled hot electron.

Various electron-phonon interactions such as the polar and nonpolar optical phonons, acoustic phonons that interact via deformation potential and via the piezoelectric effect and phonons in metals, are treated in this monograph by a single, relatively simple "classical" by: 2.The discussions given here illustrate that for certain important classes of solids the cause lies in the electron phonon interaction.

Three major types of structural transitions are considered. In the case of metals and semimetals, the electron phonon interaction .This chapter examines the interaction between an electron, conceived to be in a particular state described by a wave function, and a lattice vibration, described by a phonon eigenstate.

Topics discussed include the adiabatic principle, interaction terms, matrix element for electron-phonon scattering, rigid approximation, electron-lattice interaction in metals, deformation potentials in.