کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9861381 1528996 2005 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The axion mass in modular invariant supergravity
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
The axion mass in modular invariant supergravity
چکیده انگلیسی
When supersymmetry is broken by condensates with a single condensing gauge group, there is a nonanomalous R-symmetry that prevents the universal axion from acquiring a mass. It has been argued that, in the context of supergravity, higher dimension operators will break this symmetry and may generate an axion mass too large to allow the identification of the universal axion with the QCD axion. We show that such contributions to the axion mass are highly suppressed in a class of models where the effective Lagrangian for gaugino and matter condensation respects modular invariance (T-duality).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 612, Issues 3–4, 21 April 2005, Pages 304-310
نویسندگان
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