Low Temperature Physics and Chemistry: Proceedings, Volume 3

38042 Grenoble Cedex ³He alloys anisotropy antiferromagnetic approximation atoms behaviour calculations constant Cooper pairs coupling crystal curve decrease density Department of Physics diffusion dilute dipole dynamics effect electric electron equation exchange excitations experimental experiments Fermi surface ferromagnetic film France frequency function Grenoble helium impurity increasing Institut interaction ions JETP Josephson Laboratory lattice Lett liquid Low Temp low temperature magnetic field magnetic ordering mean field theory measurements metals muon Netherlands neutron normal nuclear observed obtained order parameter pair paramagnetic phase transition phonon Phys Physics Department Physique potential Proc properties pulse quantum quasiparticle rature refrigerator relaxation resistance resonance sample scattering shown in figure shows Solid State Commun soliton specific heat spin glass SQUID structure superconducting superfluid susceptibility T₁ T₂ technique temperature dependence theory thermal tion tunneling Universität University velocity zero