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Journal Article

A metamagnetic quantum critical endpoint in Sr3Ru2O7

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Grigera, S. A., Mackenzie, A. P., Schofield, A. J., Julian, S. R., & Lonzarich, G. G. (2002). A metamagnetic quantum critical endpoint in Sr3Ru2O7. International Journal of Modern Physics B [Condensed Matter Physics; Statistical Physics; Applied Physics], 16(20-22), 3258-3264. doi:10.1142/S0217979202014115.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-EFA4-B
In this paper, we discuss the concept of a metamagnetic quantum critical end-point, consequence of the depression to zero temperature of a critical end-point terminating a line of first order first transitions. This new type of quantum critical point (QCP) is interesting both from a fundamental point of view: a study of a symmetry conserving QCP, and because it opens the possibility of the use of symmetry breaking tuning parameters, notably the magnetic field. In addition, we discuss the experimental evidence for the existence of such a QCP in the bilayer ruthenate Sr3Ru2O7.