Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2006-12-11
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
3 pages. Talk given at the Eleventh Marcel Grossmann Meeting (Berlin, Germany, July 23 - 29, 2006). Submitted to the Conferenc
Scientific paper
The stress-energy tensor for the non-minimally coupled scalar field is known not to satisfy the pointwise energy conditions, even on the classical level. We show, however, that local averages of the classical stress-energy tensor satisfy certain inequalities and give bounds for averages along causal geodesics. It is shown that in vacuum background spacetimes, ANEC and AWEC are satisfied. Furthermore we use our result to show that in the classical situation we have an analogue to the so called quantum interest conjecture. These results lay the foundations for averaged energy inequalities for the quantised non-minimally coupled fields.
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