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Remarks on Bloch's Method of Sound Waves applied to Many-Fermion Problems

Tomonaga, S.-i.·1950·Progress of Theoretical Physics

Abstract

The fact implied by Bloch several years ago that in some approximate sense the behavior of an assembly of Fermi particles can be described by a quantized field of sound waves in the Fermi gas, where the sound field obeys Bose statistics, is proved in the one-dimensional case. This fact provides us with a new possibility of treating an assembly of Fermi particles in terms of the equivalent assembly of Bose particles, namely, the assembly of sound quanta. The field equation for the sound wave is found to be linear irrespective of the absence or presence of mutual interaction between particles, so that this method is a very useful means of dealing with many-Fermion problems. It is also applicable to the case where the interparticle force is not weak. In the case of force of too short a range this method fails.

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Metadata

Authors
Tomonaga, S.-I.
Venue
Progress of Theoretical Physics
Published
1950-07-01
Volume
5
Issue
4
Pages
544-569
ISSN
  • 0033-068X (ISSN-L)
  • 1347-4081
OpenAlex
W2048447200
Cited by
1,416
References
0
FWCI
5.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Remarks on Bloch's Method of Sound Waves applied to Many-Fermion Problems. https://app.cochat.ai/papers/10.1143/ptp/5.4.544
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Tomonaga, S.-I. (1950). Remarks on Bloch's Method of Sound Waves applied to Many-Fermion Problems. Progress of Theoretical Physics. https://doi.org/10.1143/ptp/5.4.544

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