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31 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…
Ferromagnetism and Superconductivity in Quark Matter - Color magnetic superconductivity -
Toshitaka Tatsumi, Tomoyuki Maruyama, Eiji Nakano
A coexistent phase of spin polarization and color superconductivity in high-density QCD is studied at zero temperature. The axial-vector self-energy stemming from the Fock exchange…
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…
The Ds(2317) and Ds(2463) Mesons as Scalar and Axial-Vector Chiralons in the Covariant Level-Classification Scheme
Shin Ishida, Muneyuki Ishida, Toshihiko Komada +4
The new narrow mesons observed recently in the final states Ds+ pi0 and Ds*+ pi0 are pointed out to be naturally assigned as the ground-state scalar and axial-vector chiralons in t…
44Ti radioactivity in young supernova remnants: Cas A and SN 1987A
Yuko Motizuki, Shiomi Kumagai
We investigate radioactivity from the decay sequence of 44Ti in young supernova remnants (SNRs), Cassiopeia A (Cas A) and SN 1987A. It is shown by a linear analysis that ionization…
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…