The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.
CMB polarization from secondary vector and tensor modes
Open accessAbstract
We consider a novel contribution to the polarization of the cosmic microwave background induced by vector and tensor modes generated by the nonlinear evolution of primordial scalar perturbations. Our calculation is based on relativistic second-order perturbation theory and allows us to estimate the effects of these secondary modes on the polarization angular power spectra. We show that a nonvanishing B-mode polarization unavoidably arises from pure scalar initial perturbations, thus limiting our ability to detect the signature of primordial gravitational waves generated during inflation. This secondary effect dominates over that of primordial tensors for an inflationary tensor-to-scalar ratio $r<{10}^{\ensuremath{-}6}.$ The magnitude of the effect is smaller than the contamination produced by the conversion of polarization of type E into type B, by weak gravitational lensing. However, the lensing signal can be cleaned, making the secondary modes discussed here the actual background limiting the detection of small amplitude primordial gravitational waves.
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Generating the curvature perturbation without an inflaton
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A line of sight integration approach to cosmic microwave background anisotropiesPreprint
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First‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Implications For Inflation
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Cited by
Cosmological backgrounds of gravitational waves
Caprini, C., & Figueroa, D. G. (2018) · Classical and Quantum Gravity · doi:10.1088/1361-6382/aac608 · Cited by 931
Gravitational wave spectrum induced by primordial scalar perturbations
Baumann, D., Steinhardt, P., Takahashi, K., & Ichiki, K. (2007) · Physical Review D · doi:10.1103/physrevd.76.084019 · Cited by 731
Di Valentino, E., Said, J. L., Riess, A., Pollo, A., Poulin, V., Gómez-Valent, A., Weltman, A., Palmese, A., Huang, C. D., Bruck, C. V. D., et al. (2025) · Physics of the Dark Universe · doi:10.1016/j.dark.2025.101965 · Cited by 319
Self-citationGravitational wave signatures of inflationary models from Primordial Black Hole dark matter
García-Bellido, J., Peloso, M., & Unal, C. (2017) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2017/09/013 · Cited by 267
Metadata
- Authors
- Mollerach, S., Harari, D., & Matarrese, S.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2004-03-12
- Volume
- 69
- Issue
- 6
- ISSN
- 0556-2821 (ISSN-L)
- 1550-7998
- 1550-2368
- OpenAlex
- W2005783817
- Cited by
- 289
- References
- 44
- FWCI
- 4.73
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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