What question did this study set out to answer?

The study aims to uncover the conditions under which partially massless fields can consistently interact with gravity in de Sitter space.

February 14, 2026Journal of High Energy PhysicsOpen Access

Constraints on long-range forces in de Sitter space

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Authors

DBDaniel BaumannKarlsruhe Institute of Technology KHKurt HinterbichlerCompact Imaging (United States)CJCallum R. T. Jones

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Implication

This investigation reveals that partially massless fields have consistency issues in coupling to gravity, indicating implications for theories in cosmological spacetimes.

Key Points

The study aims to uncover the conditions under which partially massless fields can consistently interact with gravity in de Sitter space.
Analyzing representation theory of de Sitter space
Examining partial massless (PM) fields and their consistency in interacting theories
Using correlations of charged operators to test theoretical constraints
Evaluating couplings of PM fields of spins 2 or 3 to gravity in four and higher dimensions
In four-dimensional de Sitter space, spin 2 or 3 partially massless fields cannot couple consistently to gravity without additional non-unitary massive fields.
Higher dimensions allow for consistent couplings of PM fields if additional PM fields are included, maintaining unitarity.
The study suggests the necessity for an infinite tower of higher-spin PM fields for achieving consistency.

Cite This Study

Baumann et al. (2026) studied this question.

synapsesocial.com/papers/699010ce2ccff479cfe56fdf https://doi.org/10.1007/jhep02(2026)134

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Implication

This investigation reveals that partially massless fields have consistency issues in coupling to gravity, indicating implications for theories in cosmological spacetimes.

Constraints on long-range forces in de Sitter space

Discussion

Member takes

Implication

Key Points

Cite This Study

Constraints on long-range forces in de Sitter space

Discussion

Member takes

Implication

Key Points

Cite This Study

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