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Conjecture on Avoidance of Big Crunch |
SUN Cheng-Yi;ZHANG De-Hai |
Department of Physics, Graduate School, Chinese Academy of Sciences, Beijing 100049 |
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Cite this article: |
SUN Cheng-Yi, ZHANG De-Hai 2006 Chin. Phys. Lett. 23 3388-3390 |
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Abstract By conjecturing the physics at the Planck scale, we modify the definition of the Hawking temperature and modify the Friedmann equation. It is found that we can avoid the singularity of the big crunch and obtain a bouncing cosmological model.
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Keywords:
98.30.Cq
98.80.Jk
04.20.Gz
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Published: 01 December 2006
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PACS: |
98.30.Cq
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98.80.Jk
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(Mathematical and relativistic aspects of cosmology)
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04.20.Gz
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(Spacetime topology, causal structure, spinor structure)
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