Quantum Gravity, Field Theory and Signatures of Noncommutative Spacetime

Details Quantum Gravity, Field Theory and Signatures of Noncommutative Spacetime Quantum Gravity, Field Theory and Signatures of Noncommutative Spacetime

2009-06-16

arxiv.org/abs/0906.2913v3

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, 4 figures; v2: comments and references added; v3: typos corrected, clarifying comments and references added; Based o

Scientific paper

A pedagogical introduction to some of the main ideas and results of field theories on quantized spacetimes is presented, with emphasis on what such field theories may teach us about the problem of quantizing gravity. We examine to what extent noncommutative gauge theories may be regarded as gauge theories of gravity. UV/IR mixing is explained in detail and we describe its relations to renormalization, to gravitational dynamics, and to deformed dispersion relations in models of quantum spacetime of interest in string theory and in doubly special relativity. We also discuss some potential experimental probes of spacetime noncommutativity.

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