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Research PapersNo Access

SPIN DIFFUSION COEFFICIENT OF A₁-PHASE OF SUPERFLUID ³He AT LOW TEMPERATURES

Department of Physics, Faculty of Science, KNT University of Technology, 16315-1618, Tehran, Iran

Department of Physics, Faculty of Science, Azad University, Tehran Central Branch, Tehran, Iran

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and

Department of Physics, Faculty of Science, Azad University, Tehran Central Branch, Tehran, Iran

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https://doi.org/10.1142/S0217984909019752Cited by:2 (Source: Crossref)

Abstract

The spin diffusion coefficient tensor of the A₁-phase of superfluid ³He at low temperatures and melting pressure is calculated using the Boltzmann equation approach and Pfitzner procedure. Then considering Bogoliubov-normal interaction, we show that the total spin diffusion is proportional to 1/T², the spin diffusion coefficient of superfluid component is proportional to T^-2, and the spin diffusion coefficient of super-fluid component is independent of temperature. Furthermore, it is seen that superfluid components play an important role in spin diffusion of the A₁-phase.

Keywords:

PACS: 67.30.hb, 67.30.H-

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Vol. 23, No. 12

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History

Received 12 August 2008

Revised 27 November 2008

Keywords