Efficient production of large K39 Bose-Einstein condensates
Physical Review A American Physical Society (APS) 82:6 (2010) 063611
Ferromagnetic and ferroelectric quantum phase transitions
physica status solidi (b) Wiley 247:3 (2010) 469-475
Magnetic properties of Ni(3)Al and Ni(3)Ga: emergent states and the possible importance of a tri-critical point.
Journal of physics. Condensed matter : an Institute of Physics journal 21:9 (2009) 095601
Abstract:
We present a study of the magnetic properties of the itinerant-electron systems Ni(3)Al and Ni(3)Ga at ambient pressure. In both compounds the magnetization and susceptibility show a non-Fermi liquid form. We test these properties using a mean-field model of enhanced spin fluctuations on the border of ferromagnetism in three dimensions with no adjustable parameters. While Ni(3)Al is found to be explained well by the standard form of such a model, the data on Ni(3)Ga require us to extend the model to take into account the fact that this system lies close to a tri-critical point. We suggest that such a quantum tri-critical point may be a key feature in the understanding of quantum critical systems more generally.Marginal breakdown of the Fermi-liquid state on the border of metallic ferromagnetism
Nature Springer Nature 455:7217 (2008) 1220-1223
Pressure dependence of the superconducting transition temperature in C6Yb and C6Ca
Physical Review B American Physical Society (APS) 74:2 (2006) 024505