NMR in an Anisotropic Superfluid (3He)

Anthony J Leggett

doi:10.1016/b978-0-12-460350-9.50021-7

NMR in an Anisotropic Superfluid (³He)

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

The basic experimental facts known at present about NMR in liquid **3He-A and B: in the normal phase the resonance line is a very narrow line at the free Larmor frequency omega equals omega //L identical gamma chi //0. As we enter the A phase the line shifts to progressively higher frequencies. The values of omega //L used to date are such that omega //L is always greater than omega //0(T) at all T; Going into the B phase, the resonance frequency drops discontinuously back to omega //L. The susceptibility appears to have approximately at least the normal value in the A phase and to drop discontinuously at B to about half the normal value.

Original language	English (US)
Title of host publication	Collective Properties of Physical Systems
Editors	Bengt Lundqvist, Stig Lundqvist
Publisher	Academic Press
Pages	109-111
Number of pages	3
ISBN (Print)	9780124603509
DOIs	https://doi.org/10.1016/b978-0-12-460350-9.50021-7
State	Published - 1973
Externally published	Yes
Event	Collect Prop of Phys Syst, Symp, Proc, Lerum - Duration: Jun 12 1973 → Jun 16 1973

Other

Other	Collect Prop of Phys Syst, Symp, Proc, Lerum
Period	6/12/73 → 6/16/73

ASJC Scopus subject areas

General Engineering

Online availability

10.1016/b978-0-12-460350-9.50021-7

Library availability

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Cite this

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title = "NMR in an Anisotropic Superfluid (3He)",

abstract = "The basic experimental facts known at present about NMR in liquid **3He-A and B: in the normal phase the resonance line is a very narrow line at the free Larmor frequency omega equals omega //L identical gamma chi //0. As we enter the A phase the line shifts to progressively higher frequencies. The values of omega //L used to date are such that omega //L is always greater than omega //0(T) at all T; Going into the B phase, the resonance frequency drops discontinuously back to omega //L. The susceptibility appears to have approximately at least the normal value in the A phase and to drop discontinuously at B to about half the normal value.",

author = "Leggett, {Anthony J}",

year = "1973",

doi = "10.1016/b978-0-12-460350-9.50021-7",

language = "English (US)",

isbn = "9780124603509",

pages = "109--111",

editor = "Bengt Lundqvist and Stig Lundqvist",

booktitle = "Collective Properties of Physical Systems",

publisher = "Academic Press",

note = "Collect Prop of Phys Syst, Symp, Proc, Lerum ; Conference date: 12-06-1973 Through 16-06-1973",

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T1 - NMR in an Anisotropic Superfluid (3He)

AU - Leggett, Anthony J

PY - 1973

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N2 - The basic experimental facts known at present about NMR in liquid **3He-A and B: in the normal phase the resonance line is a very narrow line at the free Larmor frequency omega equals omega //L identical gamma chi //0. As we enter the A phase the line shifts to progressively higher frequencies. The values of omega //L used to date are such that omega //L is always greater than omega //0(T) at all T; Going into the B phase, the resonance frequency drops discontinuously back to omega //L. The susceptibility appears to have approximately at least the normal value in the A phase and to drop discontinuously at B to about half the normal value.

AB - The basic experimental facts known at present about NMR in liquid **3He-A and B: in the normal phase the resonance line is a very narrow line at the free Larmor frequency omega equals omega //L identical gamma chi //0. As we enter the A phase the line shifts to progressively higher frequencies. The values of omega //L used to date are such that omega //L is always greater than omega //0(T) at all T; Going into the B phase, the resonance frequency drops discontinuously back to omega //L. The susceptibility appears to have approximately at least the normal value in the A phase and to drop discontinuously at B to about half the normal value.

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