Universe Without Singularities A Group Approach to De Sitter Cosmology

نویسنده

  • Ignazio Licata
چکیده

In the last years the traditional scenario of “Big Bang” has been deeply modified by the study of the quantum features of the Universe evolution, proposing again the problem of using “local” physical laws on cosmic scale, with particular regard to the cosmological constant role. The “group extention” method shows that the De Sitter group univocally generalizes the Poincarè group, formally justifies the cosmological constant use and suggests a new interpretation for Hartle-Hawking boundary conditions in Quantum Cosmology. c © Electronic Journal of Theoretical Physics. All rights reserved.

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تاریخ انتشار 2006