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21 papers · 1 filter
Exact relaxation dynamics of a localized many-body state in the 1D bose gas
Jun Sato, Rina Kanamoto, Eriko Kaminishi +1
Through an exact method we numerically solve the time evolution of the density profile for an initially localized state in the one-dimensional bosons with repulsive short-range int…
Quantization with Action-Angle Coherent States
J. -P. Gazeau, R. Kanamoto
For a single degree of freedom confined mechanical system with given energy, we know that the motion is always periodic and action-angle variables are convenient choice as conjugat…
A domino model for geomagnetic field reversals
N. Mori, D. Schmitt, A. Ferriz-Mas +4
We solve the equations of motion of a one-dimensional planar Heisenberg (or Vaks-Larkin) model consisting of a system of interacting macro-spins aligned along a ring. Each spin has…
Structure of Cell Networks Critically Determines Oscillation Regularity
Hiroshi Kori, Yoji Kawamura, Naoki Masuda
Biological rhythms are generated by pacemaker organs, such as the heart pacemaker organ (the sinoatrial node) and the master clock of the circadian rhythms (the suprachiasmatic nuc…
Constraints on R-parity violating interactions in supersymmetric standard model from leptonic decays of D_s and B^+ mesons
Gi-Chol Cho, Hikaru Matsuo
We study leptonic decays D_s\to τνand B^+ \to τνin R-parity violating (RPV) supersymmetric standard model. The interference between the s-channel slepton exchange and the t-channel…
Brownian dynamics around the core of self-gravitating systems
Tohru Tashiro, Takayuki Tatekawa
We derive the non-Maxwellian distribution of self-gravitating -body systems around the core by a model based on the random process with the additive and the multiplicative noise…