Generalized dilaton-Maxwell cosmic string and wall solutions
نویسندگان
چکیده
منابع مشابه
Cosmic Strings and the String Dilaton
The existence of a dilaton (or moduli) with gravitational-strength coupling to matter imposes stringent constraints on the allowed energy scale of cosmic strings, η. In particular, superheavy gauge strings with η ∼ 1016 GeV are ruled out unless the dilaton mass mφ ∼ 100TeV, while the currently popular value mφ ∼ 1TeV imposes the bound η ∼ 3×10 11 GeV. Similar constraints are obtained for global...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2006
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2006.08.028