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11 papers · 1 filter
Crossover from commensurate to incommensurate antiferromagnetism in stoichiometric NaFeAs revealed by single-crystal 23Na,75As-NMR experiments
Kentaro Kitagawa, Yuji Mezaki, Kazuyuki Matsubayashi +2
We report results of 23Na and 75As nuclear magnetic resonance (NMR) experiments on a self-flux grown high-quality single crystal of stoichiometric NaFeAs. The NMR spectra revealed…
Conserved quantities and generalized solutions of the ultradiscrete KdV equation
Masataka Kanki, Jun Mada, Tetsuji Tokihiro
We construct generalized solutions to the ultradiscrete KdV equation, including the so-called negative solition solutions. The method is based on the ultradiscretization of soliton…
Comment on the uncertainty relation with periodic boundary conditions
Kazuo Fujikawa
The Kennard-type uncertainty relation is formulated for a free particle with given momentum < \hat{p}>$ inside a box with periodic boundary conditions in th…
A Dynamical System with Q-deformed Phase Space Represented in Ordinary Variable Spaces
S. Naka, H. Toyoda, T. Takanashi
Dynamical systems associated with a q-deformed two dimensional phase space are studied as effective dynamical systems described by ordinary variables. In quantum theory, the moment…
Thermodynamic black di-rings
Hideo Iguchi, Takashi Mishima
Previously the five dimensional -rotating black rings have been superposed in a concentric way by some solitonic methods, and regular systems of two -rotating black rings…
Fate of thermal log type Q balls
Takeshi Chiba, Kohei Kamada, Shinta Kasuya +1
We study time evolution of the ball in thermal logarithmic potential using lattice simulations. As the temperature decreases due to the cosmic expansion, the thermal logarithmi…