138 citations · 482 across the 12 of their papers we have counts for
12 papers
Comparison of ultracold neutron sources for fundamental physics measurements
G. Bison, M. Daum, K. Kirch +20
Ultracold neutrons (UCNs) are key for precision studies of fundamental parameters of the neutron and in searches for new CP violating processes or exotic interactions beyond the St…
Magnetic quantum ratchet effect in Si-MOSFETs
S. D. Ganichev, S. A. Tarasenko, J. Karch +2
We report on the observation of magnetic quantum ratchet effect in metal-oxide-semiconductor field-effect-transistors on silicon surface (Si-MOSFETs). We show that the excitation o…
V2:Performance of the solid deuterium ultra-cold neutron source at the pulsed reactor TRIGA Mainz
J. Karch, Yu. Sobolev, M. Beck +7
The performance of the solid deuterium ultra-cold neutron source at the pulsed reactor TRIGA Mainz with a maximum peak energy of 10 MJ is described. The solid deuterium converter w…
Helicity sensitive terahertz radiation detection by field effect transistors
Christoph Drexler, Nina Dyakonova, Peter Olbrich +10
Terahertz light helicity sensitive photoresponse in GaAs/AlGaAs high electron mobility transistors. The helicity dependent detection mechanism is interpreted as an interference of…
Terahertz radiation driven chiral edge currents in graphene
J. Karch, C. Drexler, P. Olbrich +14
We observe photocurrents induced in single layer graphene samples by illumination of the graphene edges with circularly polarized terahertz radiation at normal incidence. The photo…
Classical ratchet effects in heterostructures with a lateral periodic potential
P. Olbrich, J. Karch, E. L. Ivchenko +5
We study terahertz radiation induced ratchet currents in low dimensional semiconductor structures with a superimposed one-dimensional lateral periodic potential. The periodic poten…