ar X iv : h ep - t h / 04 11 22 1 v 1 2 4 N ov 2 00 4 Quantum driven Bounce of the Universe near Sudden Future Singularity
نویسنده
چکیده
Taking quantum effects of conformal fields into account, it is shown that future universe may escape from phantom menace when w< −1. It is demonstrated that due to back-reaction of quantum effects, expansion of the universe stops at its maximum and takes a turnaround. Later on, it contracts to a very small size in finite future time. This phenomenon is followed by a " bounce " with rebirth of an accelerating universe.
منابع مشابه
ar X iv : h ep - t h / 02 11 04 8 v 1 7 N ov 2 00 2 Inflation , Quantum Cosmology and the Anthropic Principle 1
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ar X iv : h ep - p h / 04 11 20 4 v 1 1 6 N ov 2 00 4 OU - HET - 501 Chiral - Odd Twist - 3 Distribution Function e ( x )
We clarify the nonperturbative origin of the δ-function singularity at x = 0 in the chiral-odd twist-3 distribution function e(x) of the nucleon. We also compare a theoretical prediction for e(x) based on the chiral quark soliton model with the empirical information extracted from the CLAS semi-inclusive DIS measurement.
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تاریخ انتشار 2004