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80 papers · 1 filter
Electron fractionalization for two-dimensional Dirac fermions
Claudio Chamon, Chang-Yu Hou, Roman Jackiw +3
Fermion-number fractionalization without breaking of time-reversal symmetry was recently demonstrated for a field theory in -dimensional space and time that describes the co…
Concepts of Electroweak Symmetry Breaking and Higgs Physics
M. Gomez-Bock, M. Mondragón, M. Mühlleitner +2
We present an introduction to the basic concepts of electroweak symmetry breaking and Higgs physics within the Standard Model and its supersymmetric extensions. A brief overview wi…
Tuning competing orders in La2-xSrxCuO4 cuprate superconductors by the application of an external magnetic field
J. Chang, Ch. Niedermayer, R. Gilardi +13
We report the results of a combined muon spin rotation and neutron scattering study on La2-xSrxCuO4 in the vicinity of the so-called 1/8-anomaly. Application of a magnetic field dr…
Correlation between the transition temperature and the superfluid density in BCS superconductor NbB_2+x
R. Khasanov, A. Shengelaya, A. Maisuradze +3
The results of the muon-spin rotation experiments on BCS superconductors NbB_2+x (x = 0.2, 0.34) are reported. Both samples, studied in the present work, exhibit rather broad trans…
The Sun in Time: Activity and Environment
M. Guedel
(abridged) The Sun's magnetic activity has steadily declined during its main-sequence life. While the solar photospheric luminosity was about 30% lower 4.6 Gyr ago when the Sun arr…
Detection of Cherenkov light from air showers with Geiger-APDs
A. N. Otte, I. Britvitch, A. Biland +6
We have detected Cherenkov light from air showers with Geiger-mode APDs (G-APDs). G-APDs are novel semiconductor photon-detectors, which offer several advantages compared to conven…