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9 papers · 1 filter
The Time Complexity of Permutation Routing via Matching, Token Swapping and a Variant
Jun Kawahara, Toshiki Saitoh, Ryo Yoshinaka
The problems of Permutation Routing via Matching and Token Swapping are reconfiguration problems on graphs. This paper is concerned with the complexity of those problems and a colo…
Application of Facial Reduction to State Feedback Control Problem
Hayato Waki, Noboru Sebe
One often encounters numerical difficulties in solving linear matrix inequality (LMI) problems obtained from control problems. We discuss the reason from the viewpoint o…
Role of the total isospin 3/2 component in three-nucleon reactions
H. Witała, J. Golak, R. Skibiński +7
We discuss the role of the three-nucleon isospin T=3/2 amplitude in elastic neutron-deuteron scattering and in the deuteron breakup reaction. The contribution of this amplitude ori…
Origin of Quantum Criticality in Yb-Al-Au Approximant Crystal and Quasicrystal
Shinji Watanabe, Kazumasa Miyake
To get insight into the mechanism of emergence of unconventional quantum criticality observed in quasicrystal YbAlAu, the approximant crystal YbAl$_{35}…
Experimental signature of the attractive Coulomb force between positive and negative magnetic monopoles in spin ice
C. Paulsen, S. R. Giblin, E. Lhotel +3
A non-Ohmic current that grows exponentially with the square root of applied electric field is well known from thermionic field emission (the Schottky effect), electrolytes (the se…
Epitaxial growth of diluted magnetic semiconductor Ge1-xCrxTe with high Cr composition
Y. Fukuma, H. Asada, S. Senba +1
IV-VI diluted magnetic semiconductor Ge1-xCrxTe layers up to x=0.1 were grown on SrF2 substrates by molecular beam epitaxy. In site reflection high-energy electron diffraction show…