Seminar on Disorder and strong electron correlations: "Quantum criticalities in vanadium chains: A toy 1D spin-orbital model"
Starts 15 Apr 2010 12:00
Ends 15 Apr 2010 20:00
Central European Time
ICTP
Leonardo da Vinci Building Luigi Stasi Seminar Room
Strada Costiera, 11
I - 34151 Trieste (Italy)
In certain vanadium oxides, the transition-metal atoms form weakly coupled chains or ladders. We propose a relevant 1D toy model, discuss the interplay between the spin and orbital degrees of freedom in this system, and analyze massive phases and quantum criticalities induced by the local spin-orbit coupling.