1. 1) See for example, Quantum Phase Transitions, by S. Sachdev, (Cambridge,1999)
2. 2) See for example about the recent progress in this research field, Proc. of Novel Pressure-induced Phenomena in Condensed Matter Systems, Fukuoka, 2006, J. Phys. Soc. Jpn, 76, (Suppl. A, ed. by T. Kagayama, M. Ohashi, Y. Uwatoko) (2007).
3. 3) T. Mitsui and C. T. Tomizuka, Phys. Rev. 137, A564 (1965).
4. Pressure Dependence of Itinerant Antiferromagnetism in Chromium
5. Quantum phase transition in a common metal