Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-04-03
Phys. Rev. B 82, 054413 (2010)
Physics
Condensed Matter
Strongly Correlated Electrons
12 pages, 6 figures
Scientific paper
The topology of the magnetic interactions of the copper spins in the nitrosonium nitratocuprate (NO)[Cu(NO3)3] suggests that it could be a realization of the Nersesyan-Tsvelik model, whose ground state was argued to be either a resonating valence bond (RVB) state or a valence bond crystal (VBC). The measurement of thermodynamic and resonant properties reveals a behavior inherent to low dimensional spin S = 1/2 systems and provides indeed no evidence for the formation of long-range magnetic order down to 1.8 K.
Büchner Bernd
Cepas Olivier
Kataev Vladislav
Klingeler Rüdiger
Lapsheva E.
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