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21 papers · 1 filter
Microscopic Study of Nuclear "Pasta" by Quantum Molecular Dynamics
Gentaro Watanabe, Katsuhiko Sato, Kenji Yasuoka +1
Structure of cold dense stellar matter at subnuclear densities is investigated with quantum molecular dynamics (QMD). We succeeded in showing that the phases with slab-like and rod…
Generalized-ensemble simulations of spin systems and protein systems
T. Nagasima, Y. Sugita, A. Mitsutake +1
In complex systems such as spin systems and protein systems, conventional simulations in the canonical ensemble will get trapped in states of energy local minima. We employ the gen…
Violations of local equilibrium and linear response in classical lattice theories
Kenichiro Aoki, Dimitri Kusnezov
We study the dynamics of theory and the FPU model under thermal gradients, from first principles. We analyze quantitatively how local equilibrium and linear response are…
V2487 Ophiuchi: A strong candidate for a recurrent nova and a progenitor of Type Ia supernova
Izumi Hachisu, Mariko Kato, Taichi Kato +1
The light curve of the 1998 outburst of V2487 Ophiuchi (Nova Oph 1998) shows a very rapid decline (t_3 ~ 9 day) and a mid-plateau phase from 10 to 30 days after the optical maximum…
Revised analysis of the supersoft X-ray phase, helium enrichment, and turn-off time in the 2000 outburst of the recurrent nova CI Aquilae
Izumi Hachisu, Mariko Kato
The recurrent nova CI Aquilae entered the final decline phase a bit before May of 2001, showing the slowest evolution among the recurrent novae. Based on the optically thick wind m…
Conformal Schwarzian derivatives and conformally invariant quantization
Sofiane Bouarroudj
Let be a pseudo-Riemannian manifold. We propose a new approach for defining the conformal Schwarzian derivatives. These derivatives are 1-cocycles on the group of diffeomor…