کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10723500 | 1033862 | 2010 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Noether symmetry approach in multiple scalar fields scenario
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Noether symmetry approach in multiple scalar fields scenario Noether symmetry approach in multiple scalar fields scenario](/preview/png/10723500.png)
چکیده انگلیسی
In this Letter, we find suitable potentials in the multiple scalar fields scenario by using the Noether symmetry approach. We discussed three models with multiple scalar fields: N-quintessence with positive kinetic terms, N-phantom with negative kinetic terms and N-quintom with both positive and negative kinetic terms. In the N-quintessence case, the exponential potential which could be derived from several theoretic models is obtained from the Noether conditions. In the N-phantom case, the potential V02(1âcos(3N2Ïmpl)), which could be derived from the Pseudo Nambu-Goldstone boson model, is chosen as the Noether conditions required. In the N-quintom case, we derive a relation DVÏqâ²=âDËVÏpâ² between the potential forms for the quintessence-like fields and the phantom-like fields by using the Noether symmetry.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 688, Issue 1, 26 April 2010, Pages 13-20
Journal: Physics Letters B - Volume 688, Issue 1, 26 April 2010, Pages 13-20
نویسندگان
Yi Zhang, Yun-Gui Gong, Zong-Hong Zhu,