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Showing 2006 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2006★ 66 cited
Nuclear spin ferromagnetic phase transition in an interacting 2D electron gas
Pascal Simon, Daniel Loss
Electrons in a two-dimensional semiconducting heterostructure interact with nuclear spins via the hyperfine interaction. Using a a Kondo lattice formulation of the electron-nuclear…
cond-mat.str-el2006★ 205 cited
Exchange interaction between single magnetic adatoms
P. Wahl, P. Simon, L. Diekhoener +4
The magnetic coupling between single Co atoms adsorbed on a copper surface is determined by probing the Kondo resonance using low-temperature scanning tunneling spectroscopy. The K…
cond-mat.str-el2006★ 4 cited
Random phase approximation for the 1D anti-ferromagnetic Heisenberg model
A. Rabhi, P. Schuck, J. Da Providencia
The Hartree-Fock-RPA approach is applied to the 1D anti-ferromagnetic Heisenberg model in the Jordan-Wigner representation. Somewhat contrary to expectation, this leads to reasonab…