Funding
EMP is funded through the Horizon2020 programme of the European Commission.
Selected Publications
 

Superfluid transition in superfluid 3He in radially compressed aerogel

P. Hunger, Yu.M. Bunkov, E. Collin, H. Godfrin

The Spin Supercurrent and Bose-Einstein condensation of magnons similar to an atomic BEC was observed in 1984 in superfluid 3He-B Recently we discovered 2 new types of BEC in superfluid 3He in deformed aerogel. The orbital part of the wave function orients along the deformation and changes the magnon-magnon interaction. We can do it for 3He-A by uniaxially compressing the aerogel along the magnetic field. The other BEC state was observed in 3He-B in aerogel stretched along the magnetic field. Both states show all properties of magnon BEC We have also observed a splitting of NMR lines near Tc, which seems to indicate the formation of a new phase of superfluid 3He in aerogel. The latter looks like an analog of the 3He-A1 phase with strongly enhanced magnetic field.


J. Phys: Conf. Series 400, 012019 (2012)

doi: 10.1088/1742-6596/400/1/012019