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Condensed Matter > Strongly Correlated Electrons

arXiv:2004.11741 (cond-mat)
[Submitted on 24 Apr 2020 (v1), last revised 10 Jul 2020 (this version, v2)]

Title:Competing magnetic orders in quantum critical Sr$_3$Ru$_2$O$_7$

Authors:A. Putatunda, G. Qin, W. Ren, D.J. Singh
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Abstract:We investigated Sr$_3$Ru$_2$O$_7$, a quantum critical metal that shows a metamagnetic quantum phase transition and electronic nematicity, through density functional calculations. These predict a ferromagnetic ground state in contrast to the experimentally observed paramagnetism, raising the question of competing magnetic states and associated fluctuations that may suppress magnetic order. We did a search to identify such low energy antiferromagnetically ordered metastable states. We find that the lowest energy antiferromagnetic state has a striped order. This corresponds to the E-type order that has been shown to be induced by Mn alloying. We also note significant transport anisotropy in this E-type ordered state. These results are discussed in relation to experimental observations.
Subjects: Strongly Correlated Electrons (cond-mat.str-el)
Cite as: arXiv:2004.11741 [cond-mat.str-el]
  (or arXiv:2004.11741v2 [cond-mat.str-el] for this version)
  https://doi.org/10.48550/arXiv.2004.11741
Journal reference: Phys. Rev. B 102, 014442 (2020)
Related DOI: https://doi.org/10.1103/PhysRevB.102.014442

Submission history

From: David Singh [view email]
[v1] Fri, 24 Apr 2020 13:33:54 UTC (816 KB)
[v2] Fri, 10 Jul 2020 13:42:17 UTC (1,288 KB)
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