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Suchergebnisse

• "Entanglement in SU(2)-invariant quantum spin systems", Schliemann, 2003

  Publikation

  We analyze the entanglement of SU(2)-invariant density matrices of two spins S1, S2 using the Peres-Horodecki criterion. Such density matrices arise...

  Publikation auf epub.uni-regensburg.de: "Entanglement in SU(2)-invariant quantum spin systems" (externer Link, öffnet neues Fenster)

• "Anisotropic transport in a two-dimensional electron gas in the presence of spin-orbit coupling", Schliemann, Loss, 2003

  Publikation

  In a two-dimensional electron gas as realized by a semiconductor quantum well, the presence of spin-orbit coupling of both the Rashba and Dresselhaus...

  Publikation auf epub.uni-regensburg.de: "Anisotropic transport in a two-dimensional electron gas in the presence of spin-orbit coupling" (externer Link, öffnet neues Fenster)

• "Electron spin dynamics in quantum dots and related nanostructures due to hyperfine interaction with nuclei", Schliemann, Khaetskii, Loss, 2003

  Publikation

  We review and summarize recent theoretical and experimental work on electron spin dynamics in quantum dots and related nanostructures due to hyperfine...

  Publikation auf epub.uni-regensburg.de: "Electron spin dynamics in quantum dots and related nanostructures due to hyperfine interaction with nuclei" (externer Link, öffnet neues Fenster)

• "Characterization of a qubit in presence of dissipation and external driving", Nesi, 2007

  Publikation

  In this PhD thesis we have been concerned with dissipative and decoherence processes which take place specifically for quantum systems in a...

  Publikation auf epub.uni-regensburg.de: "Characterization of a qubit in presence of dissipation and external driving" (externer Link, öffnet neues Fenster)

• "Spin-boson dynamics beyond conventional perturbation theories", Nesi, Paladino, Thorwart, Grifoni, 2007

  Publikation

  A generalized approximation scheme is proposed to describe the dynamics of the spin-boson problem. Being nonperturbative in the coupling strength nor...

  Publikation auf epub.uni-regensburg.de: "Spin-boson dynamics beyond conventional perturbation theories" (externer Link, öffnet neues Fenster)

• "Conductivity of graphene: How to distinguish between samples with short- and long-range scatterers", Trushin, Schliemann, 2008

  Publikation

  Applying a quasiclassical equation to carriers in graphene we found a way how to distinguish between samples with the domination of short and long...

  Publikation auf epub.uni-regensburg.de: "Conductivity of graphene: How to distinguish between samples with short- and long-range scatterers" (externer Link, öffnet neues Fenster)

• "Cyclotron motion in graphene", Schliemann, 2008

  Publikation

  We investigate cyclotron motion in graphene monolayers considering both the full quantum dynamics and its semiclassical limit reached at high carrier...

  Publikation auf epub.uni-regensburg.de: "Cyclotron motion in graphene" (externer Link, öffnet neues Fenster)

• "Cyclotron motion and magnetic focusing in semiconductor quantum wells with spin-orbit coupling", Schliemann, 2008

  Publikation

  We investigate the ballistic motion of electrons in III- V semiconductor quantum wells with Rashba spinorbit coupling in a perpendicular magnetic...

  Publikation auf epub.uni-regensburg.de: "Cyclotron motion and magnetic focusing in semiconductor quantum wells with spin-orbit coupling" (externer Link, öffnet neues Fenster)

• "Dissipative dynamics of a biased qubit coupled to a harmonic oscillator: Analytical results beyond the rotating wave approximation", Hausinger, Grifoni, 2008

  Publikation

  We study the dissipative dynamics of a biased two-level system (TLS) coupled to a harmonic oscillator (HO), the latter interacting with an Ohmic...

  Publikation auf epub.uni-regensburg.de: "Dissipative dynamics of a biased qubit coupled to a harmonic oscillator: Analytical results beyond the rotating wave approximation" (externer Link, öffnet neues Fenster)

• "Linear conductance of an interacting carbon nanotube ring", Eroms, Mayrhofer, Grifoni, 2008

  Publikation

  Linear transport through a single-walled carbon nanotube ring, pierced by a magnetic field and capacitively coupled to a gate voltage source, is...

  Publikation auf epub.uni-regensburg.de: "Linear conductance of an interacting carbon nanotube ring" (externer Link, öffnet neues Fenster)