129 citations · 704 across the 31 of their papers we have counts for
Showing 2006Show all
2 papers · 1 filter
cond-mat.dis-nn2006★ 9 cited
The disordered-free-moment phase: a low-field disordered state in spin-gap antiferromagnets with site dilution
Rong Yu, Tommaso Roscilde, Stephan Haas
Site dilution of spin-gapped antiferromagnets leads to localized free moments, which can order antiferromagnetically in two and higher dimensions. Here we show how a weak magnetic…
cond-mat.stat-mech2006
Quantum phase transition in spin systems studied through entanglement estimators
Andrea Fubini, Stephan Haas, Tommaso Roscilde +2
Entanglement represents a pure quantum effect involving two or more particles. Spin systems are good candidates for studying this effect and its relation with other collective phen…