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122 papers · 1 filter
Effect of anisotropic spin absorption on the Hanle effect in lateral spin valves
H. Idzuchi, Y. Fukuma, S. Takahashi +2
We have succeeded in fully describing dynamic properties of spin current including the different spin absorption mechanism for longitudinal and transverse spins in lateral spin val…
GHz photon-activated hopping between localized states in a silicon quantum dot
T. Ferrus, A. Rossi, A. Andreev +5
We discuss the effects of gigahertz photon irradiation on a degenerately phosphorous-doped silicon quantum dot, in particular, the creation of voltage offsets on gate leads and the…
Aharonov-Bohm interferometry with a tunnel-coupled wire
A. Aharony, S. Takada, O. Entin-Wohlman +2
Recent experiments [M. Yamamoto et al., Nature Nanotechnology 7, 247 (2012)] used the transport of electrons through an Aharonov-Bohm interferometer and two coupled channels (at bo…
Pressure-induced superconductivity in EuFe2As2 without a quantum critical point: magnetotransport and upper critical field measurements under high pressure
Nobuyuki Kurita, Motoi Kimata, Kota Kodama +7
Resistivity and Hall effect measurements of EuFeAs up to 3.2\,GPa indicate no divergence of quasiparticle effective mass at the pressure where the magnetic a…
Thermodynamic Study of Nodal Structure and Multiband Superconductivity of KFe2As2
Shunichiro Kittaka, Yuya Aoki, Naoki Kase +12
The temperature, field, and field-orientation dependences of the electronic specific heat Ce of the ironpnictide superconductor KFe2As2 have been investigated. Thermodynamic eviden…
Transient Carrier Dynamics in a Mott Insulator with Antiferromagnetic Order
Eiki Iyoda, Sumio Ishihara
We study transient dynamics of hole carriers injected at a certain time into a Mott insulator with antiferromagnetic long range order. This is termed ``dynamical hole doping" as co…