Equal-spin pairing state of superfluid in aerogel

K Aoyama, R Ikeda - Physical Review B—Condensed Matter and Materials …, 2005 - APS
Physical Review B—Condensed Matter and Materials Physics, 2005APS
The equal-spin pairing state, the so-called A-like phase, of superfluid He 3 in aerogels is
studied theoretically in the Ginzburg-Landau region by examining thermodynamics, and the
resulting equilibrium phase diagram is mapped out. We find that the ABM pairing state with
presumably quasi-long-ranged superfluid order has a lower free energy than the planar and
“robust” states and is the best candidate of the A-like phase with a strange lowering of the
polycritical point observed experimentally.
The equal-spin pairing state, the so-called A-like phase, of superfluid in aerogels is studied theoretically in the Ginzburg-Landau region by examining thermodynamics, and the resulting equilibrium phase diagram is mapped out. We find that the ABM pairing state with presumably quasi-long-ranged superfluid order has a lower free energy than the planar and “robust” states and is the best candidate of the A-like phase with a strange lowering of the polycritical point observed experimentally.
American Physical Society
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