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Heavy d-electron quasiparticle interference and real-space electronic structure of Sr3Ru2O7

Lee, Jinho
Allan, M. P.
Wang, M. A.
Farrell, J.
Grigera, S. A.
Davis, J. C.
Mackenzie, A. P.
Published in Nature Physics. 2009, vol. 5, no. 11, p. 800-804
Abstract The intriguing idea that strongly interacting electrons can generate spatially inhomogeneous electronic liquid-crystalline phases is over a decade old1, 2, 3, 4, 5, but these systems still represent an unexplored frontier of condensed-matter physics. One reason is that visualization of the many-body quantum states generated by the strong interactions, and of the resulting electronic phases, has not been achieved. Soft condensed-matter physics was transformed by microscopies that enabled imaging of real-space structures and patterns. A candidate technique for obtaining equivalent data in the purely electronic systems is spectroscopic imaging scanning tunnelling microscopy (SI-STM). The core challenge is to detect the tenuous but 'heavy' momentum (k)-space components of the many-body electronic state simultaneously with its real-space constituents. Sr3Ru2O7 provides a particularly exciting opportunity to address these issues. It possesses a very strongly renormalized 'heavy' d-electron Fermi liquid6, 7 and exhibits a field-induced transition to an electronic liquid-crystalline phase8, 9. Finally, as a layered compound, it can be cleaved to present an excellent surface for SI-STM.
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Other version: http://www.nature.com/doifinder/10.1038/nphys1397
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LEE, Jinho et al. Heavy d-electron quasiparticle interference and real-space electronic structure of Sr3Ru2O7. In: Nature Physics, 2009, vol. 5, n° 11, p. 800-804. https://archive-ouverte.unige.ch/unige:42070

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Deposited on : 2014-11-21

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