String Cosmological Solutions with O(d,d) Duality Symmetry and Matter Coupling |
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| Authors: | LI Bao-Lin YAN Jun |
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| Affiliation: | Department of Physics, Sichuan Normal University, Chengdu 610066, China |
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| Abstract: | The duality properties of string cosmology model with negative energy matter are investigated by means of renormalization group equation,the cosmological solutions with exotic matter coupling are obtained in D=d+1 dimensional space-time.These inflation-power solutions can describe accelerated and decelerated process in the early universe,and the duality solutions can be generated through O(d,d) transformations. |
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| Keywords: | O(d d) duality symmetry cosmological solutions matter coupling renormalization group equation |
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