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14 papers · 1 filter
Possibility of color magnetic superconductivity
Toshitaka Tatsumi, Tomoyuki Maruyama, Eiji Nakano
Two aspects of quark matter at high density are addressed: one is color superconductivity and the other is ferromagnetism. We are mainly concerned with the latter and its relation…
On F-pure thresholds
Shunsuke Takagi, Kei-ichi Watanabe
Using the Frobenius map, we introduce a new invariant for a pair $(R,\a)$ of a ring and an ideal $\a \subset R$, which we call the F-pure threshold $\mathrm{c}(\a)$ of $\a$, an…
Candidates for Chiral Particles
Kenji Yamada
We find possible candidates for the new type of q bar q meson, mesonic chiralons, whose existence is predicted in the covariant level-classification scheme of hadrons with U(12)_SF…
Ground State Baryons in Covariant Level-Classification Scheme
Muneyuki Ishida, Shin Ishida
In the covariant level-classification scheme of hadrons based on U(12)SF * O(3,1)L symmetry, the ground state baryons and antibaryons are assigned to the (12 * 12 * 12)Sym = 364-mu…
Relation between Scattering and Production Amplitudes -- Case of sigma and kappa in pipi and Kpi Systems --
Muneyuki Ishida, Shin Ishida
In our talk at Nihon university symposium, we have argued that the pipi / Kpi production amplitudes F generally have different structures from those of the pipi / Kpi scattering am…
Properties of sigma and kappa Production Amplitudes
Muneyuki Ishida, Shin Ishida
Our method of analysis, which led to existence of sigma and kappa mesons, is reviewed and examined from a viewpoint of general S-matrix. It is shown that the method is consistent w…