کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10722905 | 1033813 | 2011 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phenomenological implications of S-duality symmetry
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
It is proposed that S-duality is a fundamental symmetry of nature which is spontaneously broken. Axion and dilaton are identified with the doublet of the S-duality symmetry group SL(2,R). The symmetry is broken at a high scale corresponding to the experimentally estimated axion decay constant fÏ. The symmetry breaking mechanism is discussed in analogy with PCAC in pion physics. S-duality invariant interactions of fermions with axion and dilaton doublet are introduced. The symmetry breaking mechanism contributes negligibly small corrections to fermion masses in the QCD sector. Inspired by universality in string theory, the S-duality invariant interaction of the axion-dilaton doublet to QCD fermions is proposed to generalize to all fermions. Phenomenological consequences of this broken symmetry are explored.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 699, Issue 4, 16 May 2011, Pages 264-270
Journal: Physics Letters B - Volume 699, Issue 4, 16 May 2011, Pages 264-270
نویسندگان
Ashok Das, Jnanadeva Maharana,