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8 papers · 1 filter
Log-uniruled affine varieties without cylinder-like open subsets
Adrien Dubouloz, Takashi Kishimoto
A classical result of Miyanishi-Sugie and Keel-McKernan asserts that for smooth affine surfaces, affine-uniruledness is equivalent to affine-ruledness, both properties being in fac…
New Result in the Production and Decay of an Isotope, 278[113], of the 113th Element
Kosuke Morita, Kouji Morimoto, Daiya Kaji +35
An isotope of the 113th element, i.e., 278[113], was produced in a nuclear reaction with a 70Zn beam on a 209Bi target. We observed six consecutive α-decays following the implantat…
Ferrimagnetic spin-1/2 chain of alternating Ising and Heisenberg spins in arbitrarily oriented magnetic field
J. Strecka, M. Hagiwara, Y. Han +3
The ferrimagnetic spin-1/2 chain composed of alternating Ising and Heisenberg spins in an arbitrarily oriented magnetic field is exactly solved using the spin-rotation transformati…
Optimal constants and extremisers for some smoothing estimates
Neal Bez, Mitsuru Sugimoto
We establish new results concerning the existence of extremisers for a broad class of smoothing estimates of the form $\|ψ(|\nabla|) \exp(itϕ(|\nabla|)f \|_{L^2(w)} \leq C\|f\|_{L^…
Properties of edge states in spin-triplet two-band superconductor
Yoshiki Imai, Katsunori Wakabayashi, Manfred Sigrist
Motivated by Sr2RuO4 the magnetic properties of edge states in a two-band spin-triplet superconductor with electron- and hole-like Fermi surfaces are investigated assuming chiral p…
The Cosmic Ray Energy Spectrum Observed with the Surface Detector of the Telescope Array Experiment
T. Abu-Zayyad, R. Aida, M. Allen +137
The Telescope Array (TA) collaboration has measured the energy spectrum of ultra-high energy cosmic rays with primary energies above 1.6 x 10^(18) eV. This measurement is based upo…