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8 papers · 1 filter
Random Walk Construction of Spinor Fields on Three Dimensional Lattice
Masako Asano, Chigak Itoi, Shin-Ichi Kojima
Euclidean invariant Klein-Gordon, Dirac and massive Chern-Simons field theories are constructed in terms of a random walk with a spin factor on a three dimensional lattice. We exac…
Nucleon-Nucleon and Pion-Nucleon Potentials from Phase Shifts using Quantum Inversion
M. Sander, C. Beck, B. C. Schroeder +6
NN and Pi-N partial wave radial potentials have been generated using the latest SM94-VPI(NN) and FA93-VPI(Pi-N) phase shifts. The potentials are used to determine the deuteron prop…
An Analytic Model with Critical Behavior in Black Hole Formation
Tatsuhiko Koike, Takashi Mishima
A simple analytic model is presented which exhibits a critical behavior in black hole formation, namely, collapse of a thin shell coupled with outgoing null fluid. It is seen that…
Renormalization group flow in one- and two-matrix models
Saburo Higuchi, Chigak Itoi, Shinsuke Nishigaki +1
Large- renormalization group equations for one- and two-matrix models are derived. The exact renormalization group equation involving infinitely many induced interactions can be…
Smooth Paths on Three Dimensional Lattice
Chigak Itoi
A particular class of random walks with a spin factor on a three dimensional cubic lattice is studied. This three dimensional random walk model is a simple generalization of random…
Critical and bicritical properties of Harper's equation with next nearest neighbor coupling
J. H. Han, D. J. Thouless, H. Hiramoto +1
We have exploited a variety of techniques to study the universality and stability of the scaling properties of Harper's equation, the equation for a particle moving on a tight-bind…