Regensburg 2010 – wissenschaftliches Programm

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ST: Fachverband Strahlen- und Medizinphysik

ST 6: SYMR (CPP and ST): Nuclear Magnetic Resonance: From Applications in Condensed Matter Physics to New Frontiers

ST 6.2: Hauptvortrag

Dienstag, 23. März 2010, 10:00–10:30, H1

Probing Novel Electronic States in Strongly Correlated Electron Materials Using NMR and NQR — •Nicholas Curro — Department of Physics, University of California, Davis CA 95616, USA

In the last two decades several new materials have been discovered which exhibit strong electron-electron interactions that lead to novel ground states such as superconductivity, coexisting antiferromagnetism and superconductivity, and "hidden" order. NMR/NQR are ideal probe of these new states, several of which only emerge under extreme conditions in high magnetic fields, low temperatures and high pressures. By taking advantage of the hyperfine interaction, NMR/NQR can provide detailed information about order parameters and their dynamics throughout the phase diagram of these systems. Furthermore, NMR provides a local spectroscopy of the response of these systems to impurity doping. Several heavy fermion and iron pnictide materials will be discussed.