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- W. Wernsdorfer3 profiles21 · h 119
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8 papers · 2 filters
Influence of the Dzyaloshinskii-Moriya exchange interaction on quantum phase interference of spins
W. Wernsdorfer, T. C. Stamatatos, G. Christou
Magnetization measurements of a Mn12mda wheel single-molecule magnet with a spin ground state of S = 7 show resonant tunneling and quantum phase interference, which are established…
Influence of antisymmetric exchange interaction on quantum tunneling of magnetization in a dimeric molecular magnet Mn6
S. Bahr, C. J. Milios, L. F. Jones +3
We present magnetization measurements on the single molecule magnet Mn6, revealing various tunnel transitions inconsistent with a giant-spin description. We propose a dimeric model…
Quantum phase transition in a single-molecule quantum dot
Nicolas Roch, Serge Florens, Vincent Bouchiat +2
Quantum criticality is the intriguing possibility offered by the laws of quantum mechanics when the wave function of a many-particle physical system is forced to evolve continuousl…
Out-of-equilibrium singlet-triplet Kondo effect in a single C_60 quantum dot
Nicolas Roch, Serge Florens, Vincent Bouchiat +2
We have used an electromigration technique to fabricate a single-molecule transistor (SMT). Besides describing our electromigration procedure, we focus and present an…
Kondo effects in a C_60 single-molecule transistor
N. Roch, C. B. Winkelmann, S. Florens +3
We have used the electromigration technique to fabricate a single-molecule transistor (SMT). We present a full experimental study as a function of temperature, down t…
Microscopics of disordered two-dimensional electron gases under high magnetic fields: Equilibrium properties and dissipation in the hydrodynamic regime
Thierry Champel, Serge Florens, Léonie Canet
We develop in detail a new formalism [as a sequel to the work of T. Champel and S. Florens, Phys. Rev. B 75, 245326 (2007)] that is well-suited for treating quantum problems involv…