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446 papers · 1 filter
Theory of Kondo suppression of spin polarization in nonlocal spin valves
Kyoung-Whan Kim, Liam O'Brien, Paul A. Crowell +2
We theoretically analyze contributions from the Kondo effect to the spin polarization and spin diffusion length in all-metal nonlocal spin valves. Interdiffusion of ferromagnetic a…
Vectorial spin-polarization detection in multichannel spin-resolved photoemission spectroscopy using an Ir(001) imaging spin filter
Erik D. Schaefer, Stephan Borek, Jürgen Braun +5
We report on spin- and angular resolved photoemission spectroscopy using a high-resolution imaging spin filter based on a large Ir(001) crystal enhancing the effective figure of me…
Highly-sensitive superconducting circuits at ~700 kHz with tunable quality factors for image-current detection of single trapped antiprotons
H. Nagahama, G. Schneider, A. Mooser +14
We developed highly-sensitive image-current detection systems based on superconducting toroidal coils and ultra-low noise amplifiers for non-destructive measurements of the axial f…
Four-loop photon quark form factor and cusp anomalous dimension in the large- limit of QCD
Johannes Henn, Roman N. Lee, Alexander V. Smirnov +2
We compute the four-loop QCD corrections to the massless quark-anti-quark-photon form factor in the large- limit. From the pole part we extract analytic expressions for…
Mass and width of the resonance using complex-mass renormalization
T. Bauer, Y. Unal, A. Kucukarslan +1
We discuss the pole mass and the width of the resonance to third order in chiral effective field theory. In our calculation we choose the complex-mass renormalization sch…
First measurement of proton's charge form factor at very low with initial state radiation
M. Mihovilovič, A. B. Weber, P. Achenbach +36
We report on a new experimental method based on initial-state radiation (ISR) in e-p scattering, in which the radiative tail of the elastic e-p peak contains information on the pro…