103 citations · 167 across the 3 of their papers we have counts for
3 papers
cond-mat.stat-mech2012★ 19 cited
Dimer motion on a periodic substrate: Spontaneous symmetry breaking and absolute negative mobility
David Speer, Ralf Eichhorn, Mykhaylo Evstigneev +1
We consider two coupled particles moving along a periodic substrate potential with negligible inertia effects (overdamped limit). Even when the particles are identical and the subs…
cond-mat.stat-mech2009★ 45 cited
Directing Brownian motion on a periodic surface
D. Speer, R. Eichhorn, P. Reimann
We consider an overdamped Brownian particle, exposed to a two-dimensional, square lattice potential and a rectangular ac-drive. Depending on the driving amplitude, the linear respo…
nlin.CD2008★ 103 cited
Observation of negative absolute resistance in a Josephson junction
J. Nagel, D. Speer, T. Gaber +7
We experimentally demonstrate the occurrence of negative absolute resistance (NAR) up to about in response to an externally applied dc current for a shunted Nb-Al/AlO-Nb…