Causal Structure of an Inflating Magnetic Monopole

Ken-ichi Nakao (Osaka City U.); Kyoto U.); Nobuyuki Sakai (YITP; Tomohiro Harada (Kyoto U.)

arxiv: gr-qc/9909027 · v2 · submitted 1999-09-07 · 🌀 gr-qc · astro-ph· hep-ph

Causal Structure of an Inflating Magnetic Monopole

Nobuyuki Sakai (YITP , Kyoto U.) , Ken-ichi Nakao (Osaka City U.) , Tomohiro Harada (Kyoto U.) This is my paper

classification 🌀 gr-qc astro-phhep-ph

keywords monopolecausalinflatingmagneticstructureclarifydiagramdiscuss

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We clarify the causal structure of an inflating magnetic monopole. The spacetime diagram shows explicitly that this model is free from ``graceful exit'' problem, while the monopole itself undergoes ``eternal inflation''. We also discuss general nature of inflationary spacetimes.

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Causal Structure of an Inflating Magnetic Monopole

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