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“Infrared” singularities in the field theory of superfluidity and temperature corrections to the first and second sound velocities in helium II
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10.1063/1.2911642
/content/aip/journal/ltp/34/4/10.1063/1.2911642
http://aip.metastore.ingenta.com/content/aip/journal/ltp/34/4/10.1063/1.2911642
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Diagrammatic equalities for the self-energies and vertex functions which in the ladder approximation reduce to kinetic-type equations.

Image of FIG. 2.
FIG. 2.

Temperature dependences of the density of the superfluid component of the Bose liquid , obtained by Pashitskiĭ and Vil’chinskii (Refs. 8 and 9) on the basis of model interaction potentials and empirical data on the velocity of second sound (curve 1); present work (2); Andronikashvili’s experimental dependence (Ref. 14) (3); the results obtained by Ginzburg and Sobyanin (Ref. 15) (4).

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/content/aip/journal/ltp/34/4/10.1063/1.2911642
2008-04-01
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: “Infrared” singularities in the field theory of superfluidity and temperature corrections to the first and second sound velocities in helium II
http://aip.metastore.ingenta.com/content/aip/journal/ltp/34/4/10.1063/1.2911642
10.1063/1.2911642
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