Loops versus strings

2003/07/21 by Enrique Álvarez, Enrique Alarcón Álvarez, Álvarez, Enrique
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Theory (hep-th) #Noncommutative and Quantum Gravity Theories #gr-qc #hep-th

paper · pdf · doi:10.48550/arxiv.gr-qc/0307090

19 pages. Talk given in the meeting "What comes beyond the standard model?", Portoroz, Eslovenia, 12-17 July 2003

openalex publication_date 2003/07/21 · arxiv created 2003/07/24 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Two popular attempts to understand the quantum physics of gravitation are critically assessed. The talk on which this paper is based was intended for a general particle-physics audience.

Citations

• 2 + 1 dimensional gravity as an exactly soluble system
• Exact equation for the loop average in multicolor QCD
• Quantum gravity with a positive cosmological constant
• The world as a hologram
• The Schrödinger functional — a renormalizable probe for non-abelian gauge theories
• Dimensional Reduction in Quantum Gravity

Related

• The Duel: Strings versus Loops
• Connecting Loop Quantum Gravity and String Theory via Quantum Geometry
• Strings, loops and others: a critical survey of the present approaches to quantum gravity
• Recent Conceptual Consequences of Loop Quantum Gravity. Part I: Foundational Aspects
• Quantum Gravity and String Theory, What Have We Learned?