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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
classification hep-phastro-ph
keywords leptogenesisgravitationalassociatedastrophysicsclasscmbpolexperimentsfuture
verification ladder T0 review T1 audit T2 compute T3 formal
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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 6 Pith papers

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

  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. A short review on Quintom dark energy theory

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

    A review arguing that current DESI/DES data favor Quintom-B dark energy, where the equation of state crosses w=-1 from below to above, with applications to bounces and CMB birefringence.

  6. A short review on Quintom dark energy theory

    astro-ph.CO 2026-05 unverdicted

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

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