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Interference of heavy holes in an Aharonov-Bohm ring
Dimitrije Stepanenko, Minchul Lee, Guido Burkard +1
We study the coherent transport of heavy holes through a one-dimensional ring in the presence of spin-orbit coupling. Spin-orbit interaction of holes, cubic in the in-plane compone…
Dynamics of the inhomogeneous Dicke model
Oleksandr Tsyplyatyev, Daniel Loss
We study the time dynamics of a single boson coupled to a bath of two-level systems (spins 1/2) with different excitation energies, described by an inhomogeneous Dicke model. Analy…
Momentum dependence of the spin susceptibility in two dimensions: nonanalytic corrections in the Cooper channel
Stefano Chesi, Robert Andrzej Żak, Pascal Simon +1
We consider the effect of rescattering of pairs of quasiparticles in the Cooper channel resulting in the strong renormalization of second-order corrections to the spin susceptibili…
Magnetic Order in Kondo-Lattice Systems due to Electron-Electron Interactions
Bernd Braunecker, Pascal Simon, Daniel Loss
The hyperfine interaction between the electron spin and the nuclear spins is one of the main sources of decoherence for spin qubits when the nuclear spins are disordered. An orderi…
Nuclear Magnetism and Electronic Order in 13C Nanotubes
Bernd Braunecker, Pascal Simon, Daniel Loss
Single wall carbon nanotubes grown entirely from 13-C form an ideal system to study the effect of electron interaction on nuclear magnetism in one dimension. If the electrons are i…
Intersubband-induced spin-orbit interaction in quantum wells
Rafael S. Calsaverini, Esmerindo Bernardes, J. Carlos Egues +1
Recently, we have found an additional spin-orbit (SO) interaction in quantum wells with two subbands [Phys. Rev. Lett. 99, 076603 (2007)]. This new SO term is non-zero even in symm…