کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1843688 | 1031581 | 2011 | 23 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Progress in numerical simulations of systems with a θ-vacuum like term: The two- and three-dimensional Ising model within an imaginary magnetic field
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Using the approach developed in Azcoiti et al. (2003) [1], we succeeded in reconstructing the behaviour of the antiferromagnetic Ising model with imaginary magnetic field iθ for two and three dimensions in the low temperature regime. A mean-field calculation, expected to work well for high dimensions, is also carried out, and the mean-field results coincide qualitatively with those of the two- and three-dimensional Ising model. The mean-field analysis reveals also a phase structure more complex than the one expected for QCD with a topological θ-term.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics B - Volume 851, Issue 2, 11 October 2011, Pages 420–442
Journal: Nuclear Physics B - Volume 851, Issue 2, 11 October 2011, Pages 420–442
نویسندگان
Vicente Azcoiti, Eduardo Follana, Alejandro Vaquero,