Numerical Analysis of the Formation and Evolution of Global Strings in 2+1 Dimensions : Astrophysics and Relativity
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概要
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We simulate the formation and the evolution of global strings taking into account the expansion of the universe and the concomitant change of the effective potential, that is, the change from the restoration stage of the global U(1) symmetry to the broken stage. Starting from the thermal equilibrium state, we run simulations for 100 sets of different initial conditions in 2+1 dimensions. As a result, we find deviation from scale invariance, so that a string and an anti-string sttract each other under a logarithmic potential.
- 理論物理学刊行会の論文
- 1998-09-25
著者
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KAWASAKI Masahiro
Institute for Cosmic Ray Research, University of Tokyo
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Masahiro Kawasaki
Institute For Cosmic Ray Research University Of Tokyo
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Yamaguchi Masahide
Department Of Dermatology Kawasaki Medical School
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Kawasaki Masahiro
Institute For Cosmic Ray Research The University Of Tokyo
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Yokoyama Jun′ichi
Department of Physics, University of Tokyo
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YOKOYAMA Jun'ichi
Uji Research Center, Yukawa Institute for Theoretical Physics, Kyoto University
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YOKOYAMA Jun'ichi
Department of Physics,Stanford University : Yukawa Institute for Theoretical Physics,Kyoto University
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YAMAGUCHI Masahide
Department of Physics,University of Tokyo
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KAWASAKI Masahiro
Institute for Cosmic Ray Research,University of Tokyo
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Yokoyama Jun′ichi
Department of Earth and Space Science, Graduate School of Science Osaka University
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