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GMR

Seminar

Energy conditions in quantum field theory

Fewster, CJ (York)
Friday 21 October 2005, 11:00-12:30

Seminar Room 2, Newton Institute Gatehouse

Abstract

In classical general relativity, many key results are proved under the assumption that matter obeys one of the classical energy conditions (dominant, weak, strong, etc). However, it is impossible for any quantum field to obey these conditions! In this talk I will describe the construction of the stress-energy tensor in curved spacetime, give a simple argument to show that QFT necessarily violates the energy conditions, and then discuss Quantum Energy Inequalities, the remnant of the classical energy conditions after quantisation.

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