5 papers
Quantum Phase Transitions of Frustrated Heisenberg Antiferromagnets: a Comprehensive Renormalization Approach
Frank Krüger, Stefan Scheidl
We develop a novel renormalization approach for frustrated quantum antiferromagnets. It is designed to consistently treat spin-wave interactions all over the magnetic Brillouin zon…
Ratchet effects in Luttinger liquids
D. E. Feldman, S. Scheidl, V. M. Vinokur
We investigate a one-dimensional electron liquid with two point scatterers of different strength. In the presence of electron interactions, the nonlinear conductance is shown to de…
Comment on "A Bragg glass phase in the vortex lattice of a type II superconductor"
S. Bogner, T. Emig, T. Nattermann +1
In a recent letter Klein et al. [Nature 413, 404 (2001); cond-mat/0110018] provide experimental evidence for the existence of the Bragg glass phase in impure type II superconductor…
Interface fluctuations in disordered systems: Universality and non-Gaussian statistics
Stefan Scheidl, Yusuf Dincer
We employ a functional renormalization group to study interfaces in the presence of a pinning potential in dimensions. In contrast to a previous approach [D.S. Fisher, Phys…
Transient Dynamics of Pinning
G. K. Leaf, S. Obukhov, S. Scheidl +1
We study the evolution of an elastic string into the pinned state at driving forces slightly below the depinning threshold force . We quantify the temporal evolution of the st…