2009/02/12 by C. Kallin, C Kallin, A. J. Berlinsky +1
Physics and Astronomy · #Advanced Condensed Matter Physics #Rare-earth and actinide compounds #Topological Materials and Phenomena #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1088/0953-8984/21/16/164210
To appear in the proceedings of LT25 (Amsterdam, August 2008)
arxiv created 2009/02/12 · openalex publication_date 2009/03/31 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
Much excitement surrounds the possibility that strontium ruthenate exhibits chiral p-wave superconducting order. Such order would be a solid state analogue of the A phase of He-3, with the potential for leading to exotic physics relevant to quantum computing. We take a critical look at the evidence for such time reversal symmetry breaking order. The possible superconducting order parameter symmetries and the evidence for and against chiral p-wave order are reviewed, with an emphasis on the most recent theoretical predictions and experimental observations. In particular, attempts to reconcile experimental observations and theoretical predictions for the spontaneous supercurrents expected at sample edges and domain walls of a chiral p-wave superconductor and for the polar Kerr effect, a key signature of broken time reversal symmetry, are discussed.