What question did this study set out to answer?

Determine whether an approximate global symmetry can suppress unobserved long-range forces induced by quintessence while retaining viable observational signatures.

October 12, 1998Physical Review LettersOpen Access

Quintessence and the Rest of the World: Suppressing Long-Range Interactions

View Full Paper

Ask AI

Bookmark

Authors

SCSean M. CarrollSanta Fe Institute

Discussion

Member takes

Implication

Theoretical analysis reveals that approximate global symmetries suppress quintessence couplings to matter, suggesting cosmological scalar fields are detectable via polarization rotation of distant...

Key Points

Determine whether an approximate global symmetry can suppress unobserved long-range forces induced by quintessence while retaining viable observational signatures.
Theoretically modeled interactions between a nearly massless, slowly rolling cosmological scalar field and Standard Model matter under an approximate global symmetry.
Analyzed constraints on the resulting pseudoscalar electromagnetic coupling through cosmic polarization rotation measurements of distant astrophysical sources.
Approximate global symmetry strongly suppresses quintessence couplings to ordinary matter, preventing observable fifth forces and variations in fundamental physical constants.
The residual pseudoscalar coupling rotates the polarization plane of light from distant sources, providing an accessible target for future observational tests.

Cite This Study

Sean M. Carroll (1998) studied this question.

synapsesocial.com/papers/69de95a1499d77a496b0bda2 https://doi.org/10.1103/physrevlett.81.3067

View Full Paper

Ask AI

Bookmark

Implication

Theoretical analysis reveals that approximate global symmetries suppress quintessence couplings to matter, suggesting cosmological scalar fields are detectable via polarization rotation of distant...

Quintessence and the Rest of the World: Suppressing Long-Range Interactions

Discussion

Member takes

Implication

Key Points

Cite This Study

Quintessence and the Rest of the World: Suppressing Long-Range Interactions

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider