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• "Dynamics of a qubit coupled to a dissipative nonlinear quantum oscillator: An effective-bath approach", Vierheilig, Bercioux, Grifoni, 2011

  Publication

  We consider a qubit coupled to a nonlinear quantum oscillator, the latter coupled to an Ohmic bath, and investigate the qubit dynamics. This composed...

  Publication on epub.uni-regensburg.de: "Dynamics of a qubit coupled to a dissipative nonlinear quantum oscillator: An effective-bath approach" (external link, opens in a new window)

• "Temperature‐dependent photoluminescence measurements on a sub‐micrometer length scale on green light emitting InGaN/GaN quantum wells", Danhof, Vierheilig, Schwarz, Meyer, Peter, Hahn, 2011

  Publication

  For an InGaN/GaN multiquantum well sample with low threading dislocation density (TDD), temperature-dependent microphotoluminescence measurements were...

  Publication on epub.uni-regensburg.de: "Temperature‐dependent photoluminescence measurements on a sub‐micrometer length scale on green light emitting InGaN/GaN quantum wells" (external link, opens in a new window)

• "Inelastic cotunneling in quantum dots and molecules with weakly broken degeneracies", Begemann, Koller, Grifoni, Paaske, 2010

  Publication

  We calculate the nonlinear cotunneling conductance through interacting quantum-dot systems in the deep Coulomb blockade regime using a rate equation...

  Publication on epub.uni-regensburg.de: "Inelastic cotunneling in quantum dots and molecules with weakly broken degeneracies" (external link, opens in a new window)

• "Interference effects in the Coulomb blockade regime: Current blocking and spin preparation in symmetric nanojunctions", Donarini, Begemann, Grifoni, 2010

  Publication

  We consider nanojunctions in the single-electron tunneling regime which, due to a high degree of spatial symmetry, have a degenerate many-body...

  Publication on epub.uni-regensburg.de: "Interference effects in the Coulomb blockade regime: Current blocking and spin preparation in symmetric nanojunctions" (external link, opens in a new window)

• "Qubit-oscillator system under ultrastrong coupling and extreme driving", Hausinger, Grifoni, 2011

  Publication

  We introduce an approach to studying a driven qubit-oscillator system in the ultrastrong coupling regime, where the ratio g/Omega between coupling...

  Publication on epub.uni-regensburg.de: "Qubit-oscillator system under ultrastrong coupling and extreme driving" (external link, opens in a new window)

• "Spin-orbit interaction in chiral carbon nanotubes probed in pulsed magnetic fields", Jhang, Marganska, Skourski, Preusche, Witkamp, Grifoni, van der Zant, Wosnitza, Strunk, 2010

  Publication

  The magnetoconductance of an open carbon nanotube (CNT)-quantum wire was measured in pulsed magnetic fields. At low temperatures, we find a peculiar...

  Publication on epub.uni-regensburg.de: "Spin-orbit interaction in chiral carbon nanotubes probed in pulsed magnetic fields" (external link, opens in a new window)

• "Direct Observation of Band-Gap Closure for a Semiconducting Carbon Nanotube in a Large Parallel Magnetic Field", Jhang, Marganska, Skourski, Preusche, Grifoni, Wosnitza, Strunk, 2011

  Publication

  We have investigated the magnetoconductance of semiconducting carbon nanotubes (CNTs) in pulsed, parallel magnetic fields up to 60 T, and report the...

  Publication on epub.uni-regensburg.de: "Direct Observation of Band-Gap Closure for a Semiconducting Carbon Nanotube in a Large Parallel Magnetic Field" (external link, opens in a new window)

• "Slave-boson Keldysh field theory for the Kondo effect in quantum dots", Smirnov, Grifoni, 2011

  Publication

  We present a nonequilibrium nonperturbative field theory for the Kondo effect in strongly interacting quantum dots at finite temperatures. Unifying...

  Publication on epub.uni-regensburg.de: "Slave-boson Keldysh field theory for the Kondo effect in quantum dots" (external link, opens in a new window)

• "Kondo effect in interacting nanoscopic systems: Keldysh field integral theory", Smirnov, Grifoni, 2011

  Publication

  Kondo physics in nonequilibrium interacting nanoscale devices is an attractive fundamental many-particle phenomenon with a rich potential for...

  Publication on epub.uni-regensburg.de: "Kondo effect in interacting nanoscopic systems: Keldysh field integral theory" (external link, opens in a new window)

• "Ancilla-assisted sequential approximation of nonlocal unitary operations", Saberi, 2011

  Publication

  We consider the recently proposed "no-go" theorem of Lamata et al. [Phys. Rev. Lett. 101, 180506 (2008)] on the impossibility of sequential...

  Publication on epub.uni-regensburg.de: "Ancilla-assisted sequential approximation of nonlocal unitary operations" (external link, opens in a new window)