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12 papers · 1 filter
Entropy Function and Universality of Entropy-Area Relation for Small Black Holes
Rong-Gen Cai, Chiang-Mei Chen, Kei-ichi Maeda +2
We discuss the entropy-area relation for the small black holes with higher curvature corrections by using the entropy function formalism and field redefinition method. We show that…
String Junction Model, Cluster Hypothesis, Penta-Quark Baryon and Tetra-Quark Meson
Masahiro Imachi, Fumihiko Toyoda, Shoichiro Otsuki
Thirty years ago we proposed string junction model of hadrons and examined structure and reaction of hadrons including exotic ones. Mass of exotic hadrons of light quarks is ro…
Hypermagnetic Baryogenesis
Kazuharu Bamba, C. Q. Geng, S. H. Ho
We study a new scenario for baryogenesis due to the spontaneous breaking of the invariance through the interaction between a baryon current and a hypermagnetic helicity. The…
Four-dimensional CP U(1) lattice gauge theory for 3D antiferromagnets: Phase structure, gauge bosons and spin liquid
Kenji Sawamura, Takashi Hiramatsu, Katsuhiro Ozaki +2
In this paper we study the lattice CP model in (3+1) dimensions coupled with a dynamical compact U(1) gauge field. This model is an effective field theory of the $s={1 \over 2}…
The interrelation between the generation of large-scale electric fields and that of large-scale magnetic fields during inflation
Kazuharu Bamba
The interrelation between the generation of large-scale electric fields and that of large-scale magnetic fields due to the breaking of the conformal invariance of the electromagnet…
Irreversible Circulation of Fluctuation and Entropy Production
Hiroyuki Tomita, Mitsusada M. Sano
Physical and chemical stochastic processes described by the master equation are investigated. In this paper, we examine the entropy production both for the master equation and for…