40 citations · 181 across the 11 of their papers we have counts for
11 papers
Reliable modeling of weak antilocalization for accurate spin-lifetime extraction
Michael Kammermeier, Takahito Saito, Daisuke Iizasa +2
We examine models for the magneto-conductivity correction in 2DEGs with both Rashba and Dresselhaus spin-orbit coupling (SOC) for their applicability to experimental data fitting.…
Enhanced longevity of the spin helix in low-symmetry quantum wells
Daisuke Iizasa, Makoto Kohda, Ulrich Zülicke +2
In a semiconductor, collective excitations of spin textures usually decay rather fast due to D'yakonov-Perel' spin relaxation. The latter arises from spin-orbit coupling, which ind…
Persistent spin textures and currents in wurtzite nanowire-based quantum structures
Michael Kammermeier, Adrian Seith, Paul Wenk +1
We explore the spin and charge properties of electrons in wurtzite semiconductor nanowires where radial and axial confinement leads to tubular or ring-shaped quantum structures. Ac…
In-plane magnetoelectric response in bilayer graphene
Michael Kammermeier, Paul Wenk, Ulrich Zülicke
A graphene bilayer shows an unusual magnetoelectric response whose magnitude is controlled by the valley-isospin density, making it possible to link magnetoelectric behavior to val…
Ultralong spin lifetimes in one-dimensional semiconductor nanowires
Florian Dirnberger, Michael Kammermeier, Jan König +9
We experimentally demonstrate ultralong spin lifetimes of electrons in the one-dimensional (1D) quantum limit of semiconductor nanowires. Optically probing single wires of differen…
Spin relaxation in wurtzite nanowires
Michael Kammermeier, Paul Wenk, Florian Dirnberger +2
We theoretically investigate the D'yakonov-Perel' spin relaxation properties in diffusive wurtzite semiconductor nanowires and their impact on the quantum correction to the conduct…
Magnetoconductance correction in zinc-blende semiconductor nanowires with spin-orbit coupling
Michael Kammermeier, Paul Wenk, John Schliemann +3
We study the effects of spin-orbit coupling on the magnetoconductivity in diffusive cylindrical semiconductor nanowires. Following up on our former study on tubular semiconductor n…
Control of Spin Helix Symmetry in Semiconductor Quantum Wells by Crystal Orientation
Michael Kammermeier, Paul Wenk, John Schliemann
We investigate the possibility of spin-preserving symmetries due to the interplay of Rashba and Dresselhaus spin-orbit coupling in n-doped zinc-blende semiconductor quantum wells o…
Weak (anti)localization in tubular semiconductor nanowires with spin-orbit coupling
Michael Kammermeier, Paul Wenk, John Schliemann +2
We compute analytically the weak (anti)localization correction to the Drude conductivity for electrons in tubular semiconductor systems of zinc blende type. We include linear Rashb…
Conserved Spin Quantity in Strained Hole Systems with Rashba and Dresselhaus Spin-Orbit Coupling
Paul Wenk, Michael Kammermeier, John Schliemann
We derive an effective Hamiltonian for a (001)-confined quasi-two-dimensional hole gas in a strained zincblende semiconductor heterostructure including both Rashba and Dresselhaus…
Signatures of spin-preserving symmetries in two-dimensional hole gases
Tobias Dollinger, Michael Kammermeier, Andreas Scholz +4
We investigate ramifications of the persistent spin helix symmetry in two-dimensional hole gases in the conductance of disordered mesoscopic systems. To this end we extend previous…