Separable interactions and liquid 3He : V. Phase diagram in the presence of a Hubbard interaction
Publication date
1986
Authors
Capel, H.W.
Nijhoff, F.W.
Breems, A. den
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Document Type
Article
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Abstract
A comparison is made between the various extrema of the Landau expansion of liquid 3He derived in a previous paper. As an application the phase diagram is investigated in the presence of an external magnetic field assuming that the Hubbard interaction is small as compared to the pairing interaction of the BCS-type, and also in zero magnetic field for arbitrary strength of the Hubbard interaction.