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• "Vortices in quantum spin systems", Schliemann, Mertens, 1999

  Publication

  We examine spin vortices in ferromagnetic quantum Heisenberg models with planar anisotropy on two-dimensional lattices. The symmetry properties and...

  Publication on epub.uni-regensburg.de: "Vortices in quantum spin systems" (external link, opens in a new window)

• "Bilayer Quantum Hall Systems at Filling Factor nu=2: An Exact Diagonalization Study", Schliemann, MacDonald, 2000

  Publication

  We present an exact diagonalization study of bilayer quantum Hall systems at filling factor ν = 2 in the spherical geometry. We find the...

  Publication on epub.uni-regensburg.de: "Bilayer Quantum Hall Systems at Filling Factor nu=2: An Exact Diagonalization Study" (external link, opens in a new window)

• "Limits on the Curie temperature of (III,Mn)V ferromagnetic semiconductors", Schliemann, König, Hsiu-Hau, MacDonald, 2001

  Publication

  Mean-field-theory predicts that the Curie temperature Tc of a (III,Mn)V ferromagnet will be proportional to the valence band density-of-states of its...

  Publication on epub.uni-regensburg.de: "Limits on the Curie temperature of (III,Mn)V ferromagnetic semiconductors" (external link, opens in a new window)

• "Double-occupancy errors, adiabaticity, and entanglement of spin qubits in quantum dots", Schliemann, Loss, MacDonald, 2001

  Publication

  Quantum gates that temporarily increase singlet-triplet splitting in order to swap electronic spins in coupled quantum dots lead inevitably to a...

  Publication on epub.uni-regensburg.de: "Double-occupancy errors, adiabaticity, and entanglement of spin qubits in quantum dots" (external link, opens in a new window)

• "Strong Correlation to Weak Correlation Phase Transition in Bilayer Quantum Hall Systems", Schliemann, Girvin, MacDonald, 2001

  Publication

  At small layer separations, the ground state of a ν = 1 bilayer quantum Hall system exhibits spontaneous interlayer phase coherence. The evolution of...

  Publication on epub.uni-regensburg.de: "Strong Correlation to Weak Correlation Phase Transition in Bilayer Quantum Hall Systems" (external link, opens in a new window)

• "Quantum correlations in two-fermion systems", Schliemann, Cirac, Kus, Lewenstein, Loss, 2001

  Publication

  We characterize and classify quantum correlations in two-fermion systems having 2K single-particle states. For pure states we introduce the Slater...

  Publication on epub.uni-regensburg.de: "Quantum correlations in two-fermion systems" (external link, opens in a new window)

• "Monte Carlo study of ferromagnetism in (III,Mn)V semiconductors", Schliemann, König, MacDonald, 2001

  Publication

  We report on Monte Carlo studies of the kinetic exchange model for (III,Mn)V ferromagnetic semiconductors in which S=5/2 local moments, representing...

  Publication on epub.uni-regensburg.de: "Monte Carlo study of ferromagnetism in (III,Mn)V semiconductors" (external link, opens in a new window)

• "2D Bands and Electron-Phonon Interactions in Polyacene Plastic Transistors", Sinova, Schliemann, Núñez, MacDonald, 2001

  Publication

  We present a simple tight-binding model for the two-dimensional energy bands of polyacene field-effect transistors and for the coupling of these bands...

  Publication on epub.uni-regensburg.de: "2D Bands and Electron-Phonon Interactions in Polyacene Plastic Transistors" (external link, opens in a new window)

• "Noncollinear Ferromagnetism in (III,Mn)V Semiconductors", Schliemann, MacDonald, 2002

  Publication

  We investigate the stability of the collinear ferromagnetic state in kinetic exchange models for (III,Mn)V semiconductors with randomly distributed Mn...

  Publication on epub.uni-regensburg.de: "Noncollinear Ferromagnetism in (III,Mn)V Semiconductors" (external link, opens in a new window)

• "Quantum Correlations in Systems of Indistinguishable Particles", Eckert, Schliemann, Bruss, Lewenstein, 2002

  Publication

  We discuss quantum correlations in systems of indistinguishable particles in relation to entanglement in composite quantum systems consisting of well...

  Publication on epub.uni-regensburg.de: "Quantum Correlations in Systems of Indistinguishable Particles" (external link, opens in a new window)