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Excitations in Two-Dimensional and Three-Dimensional Quantum Fluids

  • Book
  • © 1991

Overview

Editors:
  1. A. F. G. Wyatt

    1. University of Exeter, Exeter, UK

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    You can also search for this editor in PubMed   Google Scholar

  2. H. J. Lauter

    1. Institute Laue Langevin, Grenoble, France

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    You can also search for this editor in PubMed   Google Scholar

Part of the book series: NATO Science Series B: (NSSB, volume 257)

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Table of contents (58 chapters)

  1. Front Matter

    Pages i-x
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  2. Excitations in Liquid 4He

    • Henry R. Clyde
    Pages 1-13

  3. Excitations in Superfluid 4He and the Dielectric Formalism

    • Allan Griffin
    Pages 15-23

  4. Recent High-Resolution Neutron Scattering Studies of Liquid 4He

    • W. G. Stirling
    Pages 25-46

  5. Momentum Distributions in Liquid Helium

    • P. E. Sokol, W. M. Snow
    Pages 47-58

  6. S(Q,ω) for Liquid 4He: What More do We Need to Know?

    • E. C. Svensson
    Pages 59-76

  7. Raman Scattering from Superfluid Helium

    • Kohji Ohbayashi
    Pages 77-89

  8. Interpretation of Inelastic Light Scattering Measurements in 4He

    • J. W. Halley, M. S. Korth
    Pages 91-102

  9. Discussion on Excitations in Bulk 4He

    • J. W. Halley, W. G. Stirling
    Pages 103-106

  10. Excitations in Liquid Helium at Negative Pressures

    • Humphrey J. Maris
    Pages 107-117

  11. Neutron Spin Echo Observation of Spontaneous Phonon Decay in Superfluid 4He

    • F. Mezei, C. Lartigue, B. Farago
    Pages 119-120

  12. Dynamics of Rotons

    • David C. Samuels, Russell J. Donnelly
    Pages 121-130

  13. Spectroscopic Study of Scattering of UCN by Liquid He4

    • E. Gutsmiedl, R. Golub, J. Butterworth
    Pages 131-135

  14. Roton-Roton Scattering

    • A. F. G. Wyatt, A. C. Forbes
    Pages 137-147

  15. Theory of Roton-Roton Scattering

    • Fumiaki Iwamoto
    Pages 149-157

  16. Theory of the Phonon-Roton Spectrum of Liquid 4He

    • C. E. Campbell
    Pages 159-171

  17. Towards a Unified Description of Bulk Excitations and the Two Fluid Theory of Superfluids in Terms of a Single Classical Equation of Motion

    • S. Putterman, P. H. Roberts, C. A. Jones, A. Larraza
    Pages 173-177

  18. Disscussion on Bulk 4He Dynamics

    • R. J. Donnelly, S. Stringari
    Pages 179-181

  19. Bulk Properties of 3He-4He Mixtures

    • R. M. Bowley
    Pages 183-194

  20. Transport Properties of Very Dilute Superfluid Mixtures of 3He in 4He

    • H. Meyer, J. Tuttle, F. Zhong
    Pages 195-203
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Keywords

About this book

The study of quantum fluids in three dimensions has been an important area for many years as it embraces Bose-Einstein condensation, superfluidity and macroscopic quantisation. These are fundamental aspects of physics which can be studied in liquid 4He. In contrast, quantum fluids in two dimension is more recent and less developed. Nevertheless it has shown many interesting phenomena including a rich variety of phases and the Kosterlitz-Thouless transition. Intermediate between these dimensions are the restricted geometries of micro porous materials into which He may be introduced. The main quantum materials considered are 4He, 3He, D2, H2, H and electrons on the surface of 4He. The superfluid phases of 3He were excluded, e~cept for superfluid film flow, as 3He involves a separate set of problems. These proceedings arise from a lively Advanced Research Workshop on Excitations in Two-Dimensional and Three-Dimensional Quantum Fluids held in Exeter 10-15 August 1990. Fifty scientists took part and each provided a written contribution. Perhaps it is a testimony to the discussions that several papers were revised by the authors after the meeting. The order of the chapters is the same as the presentations at the workshop. This arrangement starts with 4He in three dimensions which establishes a base from which the two dimensional properties can be viewed. At the end of each section there is a report on the discussion session. These are interesting and useful chapters as they clarify points made in the papers and define the boundary of current understanding.

Editors and Affiliations

  • University of Exeter, Exeter, UK

    A. F. G. Wyatt

  • Institute Laue Langevin, Grenoble, France

    H. J. Lauter

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