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Towards an Effective Particle-String Resolution of the Cosmological Constant Problem
High Energy Physics - Phenomenology · Submitted 12 Aug 1997
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The loop-hole abstracted from the analogy is the possibility of graviton ``compositeness'' at a scale less than $10^{-2}$ eV, which cuts off the large contributions to the cosmological constant from standard model physics.
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The abstract, sentence by sentence
The Cosmological Constant Problem is re-examined from an effective field theory perspective. While the connection between gravity and particle physics has not been experimentally probed in the quantum regime, it is severely constrained by the successes of Standard Model quantum field theory at short distances, and classical General Relativity at large distances. At first sight, it appears that combining particle physics and gravity inevitably leads to an effective field theory below the weak scale which suffers from large radiative corrections to the cosmological constant. Consequently, this parameter must be very finely tuned to lie within the experimental bounds. An analog of just this type of predicament, and its resolution, are described in some detail using only familiar quantum field theory. The loop-hole abstracted from the analogy is the possibility of graviton ``compositeness'' at a scale less than $10^{-2}$ eV, which cuts off the large contributions to the cosmological constant from standard model physics. Experimentally, this would show up as a dramatic breakdown of Newton's Law in upcoming sub-centimeter tests of gravity. Currently, strings are the only known example of such compositeness. It is proposed that the gravitational sector comprises strings of very low tension, which couple to a stringy ``halo'' surrounding each point-like standard model particle.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The Cosmological Constant Problem is re-examined from an effective field theory perspective. | contribution 0.70 | 0.75 | 0.04 | asserted 0.94 |
| s1 | While the connection between gravity and particle physics has not been experimentally probed in the quantum regime, it is severely constrained by the successes of Standard Model quantum field theory at short distances, and classical General Relativity at large distances. | background 0.98 | 0.05 | 0.02 | asserted 0.98 |
| s2 | At first sight, it appears that combining particle physics and gravity inevitably leads to an effective field theory below the weak scale which suffers from large radiative corrections to the cosmological constant. | background 0.98 | 0.08 | 0.03 | hedged possibility 0.61 |
| s3 | Consequently, this parameter must be very finely tuned to lie within the experimental bounds. | background 0.96 | 0.08 | 0.05 | asserted 0.99 |
| s4 | An analog of just this type of predicament, and its resolution, are described in some detail using only familiar quantum field theory. | method 0.56 | 0.53 | 0.07 | asserted 0.97 |
| s5 | The loop-hole abstracted from the analogy is the possibility of graviton ``compositeness'' at a scale less than $10^{-2}$ eV, which cuts off the large contributions to the cosmological constant from standard model physics. | contribution 0.66 | 0.40 | 0.68 | hedged possibility 0.94 |
| s6 | Experimentally, this would show up as a dramatic breakdown of Newton's Law in upcoming sub-centimeter tests of gravity. | interpretation 0.90 | 0.12 | 0.12 | asserted 0.66 |
| s7 | Currently, strings are the only known example of such compositeness. | background 0.89 | 0.06 | 0.07 | asserted 1.00 |
| s8 | It is proposed that the gravitational sector comprises strings of very low tension, which couple to a stringy ``halo'' surrounding each point-like standard model particle. | contribution 0.90 | 0.31 | 0.35 | speculative 0.73 |
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Original abstract
The Cosmological Constant Problem is re-examined from an effective field theory perspective. While the connection between gravity and particle physics has not been experimentally probed in the quantum regime, it is severely constrained by the successes of Standard Model quantum field theory at short distances, and classical General Relativity at large distances. At first sight, it appears that combining particle physics and gravity inevitably leads to an effective field theory below the weak scale which suffers from large radiative corrections to the cosmological constant. Consequently, this parameter must be very finely tuned to lie within the experimental bounds. An analog of just this type of predicament, and its resolution, are described in some detail using only familiar quantum field theory. The loop-hole abstracted from the analogy is the possibility of graviton ``compositeness'' at a scale less than $10^{-2}$ eV, which cuts off the large contributions to the cosmological constant from standard model physics. Experimentally, this would show up as a dramatic breakdown of Newton's Law in upcoming sub-centimeter tests of gravity. Currently, strings are the only known example of such compositeness. It is proposed that the gravitational sector comprises strings of very low tension, which couple to a stringy ``halo'' surrounding each point-like standard model particle.
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How the literature uses it
9 arXiv papers cite this in 9 sentences
Papers citing it · 7 sentences without a confident label
Cites it as background 2 papers
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There are three different approaches to solve the CCP: $i)$ modifying the Einstein-Hilbert (EH) model in a way that gravity becomes insensitive to $ρ_vac$ [ref] , $ii)$ revising field theory calculation of $ρ_vac$ [ref] and $iii)$ connecting the CCP (which is in IR regime) to UV-completion of gravity [ref] .
\"Uber-Gravity and the Cosmological Constant Problem · Introduction: · 0.97
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Other approaches include some form of violation of the equivalence principle, such as non-local corrections to gravity (see e.g. [ref] ), alluding to thermodynamics and the holographic principle (for a review see [ref] ), use of graviton compositeness [ref] , sequestering of vacuum energy [ref] , unimodular gravity [ref] , and even more exotic attempts (see e.g. [ref] ).
Crunching Away the Cosmological Constant Problem: Dynamical Selection of a Small $\Lambda$ · Introduction · 0.98
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