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Gravitational Leptogenesis and Its Signatures in CMB

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arxiv hep-ph/0406269 v2 pith:UVXQXZ3R submitted 2004-06-24 hep-ph astro-ph

Bo Feng , Hong Li , Mingzhe Li , Xinmin Zhang This is my paper · ORCID
classification hep-phastro-ph
keywords leptogenesisgravitationalassociatedastrophysicsclasscmbpolexperimentsfuture
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We study the phenomenologies in astrophysics and particularly in CMB associated with the gravitational leptogenesis. Our results show that future CMB polarization experiments, such as PLANCK and CMBpol will make a possible test on this class of model for leptogenesis.

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Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Planck constraints on the scale dependence of isotropic cosmic birefringence

    astro-ph.CO 2025-07 conditional novelty 6.0 of 10

    Planck polarization data favor a constant cosmic birefringence angle (β≈0.3°) across multipoles, with scale dependence consistent with zero at up to 1.8σ.

  2. Gravitational Baryogenesis in Rainbow Gauss-Bonnet gravity

    gr-qc 2026-07 reject novelty 4.0 of 10

    Gravitational baryogenesis in a rainbow-gravity-corrected 4D Gauss-Bonnet model can in principle produce Y_B ~ 10^-10 during radiation domination, but only by fitting seven free parameters and using the effective theo...

  3. Probing String-Theory-Inspired Topologies of the Early Universe through CMB Temperature and Polarization Anisotropies

    astro-ph.CO 2026-05 unverdicted novelty 4.0 of 10

    Reexamination of Planck CMB data finds a possible spatial-parity-breaking signal consistent with six extra dimensions compactified toroidally at the GUT scale before inflation.

  4. Cosmic Birefringence from the Atacama Cosmology Telescope Data Release 6

    astro-ph.CO 2025-09 conditional novelty 4.0 of 10

    Bayesian analysis of ACT DR6 CMB polarization data measures cosmic birefringence angle β = 0.215° ± 0.074° excluding zero at 2.9σ, consistent with prior WMAP and Planck results but limited by unexplained systematics.

  5. Planck PR4 (NPIPE) map-space cosmic birefringence

    astro-ph.CO 2025-02 conditional novelty 4.0 of 10

    A map-space stacking analysis of Planck PR4 maps finds a CMB polarization rotation angle of about 0.46 to 0.48 degrees, dominated by instrument calibration uncertainty and consistent with no parity-violating cosmic bi...

  6. A short review on Quintom dark energy theory

    astro-ph.CO 2026-05 unverdicted novelty 2.0 of 10

    Quintom dark energy models permit the equation of state to cross w=-1, supporting bouncing cosmologies and CMB-based tests of dark energy nature.

  7. Cosmic Polarisation Rotation from CMB Data: a Review for GR110

    astro-ph.CO 2025-02 unverdicted

    A review of CMB constraints on cosmic birefringence, reporting a possible 3 sigma hint for isotropic rotation and null anisotropic results.

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