Title: “Aspects of the Tension between General Relativity and Quantum Mechanics: Black Holes, Cosmology, and the Measurement Paradox”

Abstract:
Most theorists concerned with “quantum gravity” would take that term to mean the appropriate application of the principles of quantum (field) theory to Einstein’s general relativity, or perhaps to some other (more amenable!) theory of gravity. I argue that, instead, Nature is likely to be more even-handed than this, and that the very rules of quantum mechanics must become modified if the fundamental pinciples of general relativity are to be more fully respected. This has implications with regard to the second law of thermodynamics and to the nature of the big bang, to information loss in black-hole Hawking evaporation, and to the reduction of the quantum state in quantum measurement. Several of these implications have direct observational consequences.