Quantum gravity: a progress report

2001/07/30 by S. Carlip · 6 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Noncommutative and Quantum Gravity Theories #gr-qc #hep-th

paper · pdf · doi:10.1088/0034-4885/64/8/301

published as Rept.Prog.Phys.64:885,2001 · 72 pages, 5 figures; review solicited by Reports on Progress in Physics, http://www.iop.org/Journals/RoPP

openalex publication_date 2001/07/30 · arxiv created 2001/08/14 · arxiv updated 2010/04/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30

Abstract

The problem of reconciling general relativity and quantum theory has fascinated and bedeviled physicists for more than 70 years. Despite recent progress in string theory and loop quantum gravity, a complete solution remains out of reach. I review the status of the continuing effort to quantize gravity, emphasizing the underlying conceptual issues and the various attempts to come to grips with them.

Citations

• Quantization of Gauge Systems
• String duality
• TWO-LOOP APPROACH TO THE EFFECTIVE ACTION IN QUANTUM GRAVITY
• Vacuum configurations for superstrings
• Generalized Hamiltonian Dynamics
• Quantum Fields in Curved Space
• Quantum geometry of bosonic strings
• General relativity without coordinates
• Gravitational Observables and Local Symmetries
• Quantum Cosmology. I
• Deforming Einstein's gravity
• Generalized sums over histories for quantum gravity (II). Simplicial conifolds
• Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity
• A uniqueness theorem for constraint quantization
• Large Mass Hierarchy from a Small Extra Dimension
• Black hole explosions?
• D-branes and short distances in string theory
• Time in quantum gravity: An hypothesis
• Eikonal quantum gravity and planckian scattering
• Dirichlet Branes and Ramond-Ramond Charges
• The Hierarchy Problem and New Dimensions at a Millimeter
• Limits to Quantum Gravity Effects on Energy Dependence of the Speed of Light from Observations of TeV Flares in Active Galaxies
• Holographic probes of anti–de Sitter spacetimes
• On Gravity's role in Quantum State Reduction
• Mtheory as a matrix model: A conjecture
• Time and the interpretation of canonical quantum gravity
• The World as a Hologram
• Black Holes and Entropy
• Renormalization of higher-derivative quantum gravity
• The Large N Limit of Superconformal Field Theories and Supergravity
• Quantum mechanics as a statistical theory
• Nonstandard optics from quantum space-time

Cited by

• INTERFACE OF GRAVITATIONAL AND QUANTUM REALMS
• Loop quantum gravity: an outside view
• The Phoenix Project: master constraint programme for loop quantum gravity
• Quantum-Spacetime Phenomenology
• General relativity [wikipedia]
• Quantum gravity [wikipedia]