Berlin 2012 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 25: Correlated Electrons: Quantum-Critical Phenomena 1

TT 25.7: Vortrag

Mittwoch, 28. März 2012, 11:00–11:15, H 3010

Tuning the spin dynamics of kagome systems — •Dirk Wulferding¹, Peter Lemmens¹, Hiroyuki Yoshida², Yoshihiko Okamoto³, and Zenji Hiroi³ — ¹IPKM, TU-BS, Braunschweig, Germany — ²NIMS, Tsukuba, Japan — ³ISSP, Tokyo, Japan

Kagome lattice systems are among the most promising candidates for realizing a quantum spin liquid state. We compare the excitation spectra of different kagome compounds and demonstrate that the ground state properties depend critically on the underlying crystal structure. Work supported by DFG, B-IGSM and NTH School for Contacts in Nanosystems.