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- Central European Institute of TechnologyCZ145 papers
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- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ22 papers
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17 papers · 1 filter
Periodic chiral magnetic domains in single-crystal nickel nanowires
Jimmy J. Kan, Marko V. Lubarda, Keith T. Chan +4
We report on experimental and computational investigations of the domain structure of ~0.2 x 0.2 x 8 μm single-crystal Ni nanowires (NWs). The Ni NWs were grown by a thermal chemic…
A cautionary tale of interpreting O-C diagrams: period instability in a classical RR Lyr Star Z CVn mimicking as a distant companion
M. Skarka, J. Liška, R. Dřevěný +4
We present a comprehensive study of Z CVn, an RR Lyrae star that shows long-term cyclic variations of its pulsation period. A possible explanation suggested from the shape of the O…
Uniaxial stress flips the natural quantization axis of a quantum dot for integrated quantum photonics
Xueyong Yuan, Fritz Weihausen-Brinkmann, Javier Martín-Sánchez +10
The optical selection rules in epitaxial quantum dots are strongly influenced by the orientation of their natural quantization axis, which is usually parallel to the growth directi…
Simple Signal Extension Method for Discrete Wavelet Transform
David Barina, Pavel Zemcik, Michal Kula
Discrete wavelet transform of finite-length signals must necessarily handle the signal boundaries. The state-of-the-art approaches treat such boundaries in a complicated and inflex…
New inclination changing eclipsing binaries in the Magellanic Clouds
J. Juryšek, P. Zasche, M. Wolf +8
Context: Multiple stellar systems are unique laboratories for astrophysics. Analysis of their orbital dynamics may reveal invaluable information about the physical properties of th…
CD Grammar Systems with Two Propagating Scattered Context Components Characterize the Family of Context Sensitive Languages
Alexander Meduna, Jakub Martiško
The L(PSCG)=L(CS) problem asks whether propagating scattered context grammars and context sensitive grammars are equivalent. The presented paper reformulates and answers this probl…