نتایج جستجو برای: singularities
تعداد نتایج: 15348 فیلتر نتایج به سال:
2008
Shmuel Elitzur
Amit Giveon
Eliezer Rabinovici
Big bang/crunch curvature singularities in exact CFT string backgrounds can be removed by turning on gauge fields. This is described within a family of SL(2)×SU(2)×U(1)x U(1)×U(1) quotient CFTs. Uncharged incoming wavefunctions from the “whiskers” of the extended universe can be fully reflected if and only if a big bang/crunch curvature singularity, from which they are scattered, exists. Extend...
Journal:
:Journal of Mathematical Analysis and Applications
2002
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