A metamagnetic quantum critical endpoint in Sr3Ru2O7

Grigera, S. A.; Mackenzie, A. P.; Schofield, A. J.; Julian, S. R.; Lonzarich, G. G.

doi:10.1142/S0217979202014115

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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

Abstract

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.