Imprint of Scalar Dark Energy on Cosmic Microwave Background Polarization

Abstract

We study the imprint of a coupling of scalar dark energy to photon on the cosmic microwave background (CMB) polarization. The time-evolving field value as well as the perturbation of the scalar generically induce $B$-mode polarization. Future CMB data will find either a cosmic parity violation in temperature-polarization correlation due to the field value, or perturbation-induced $B$-mode polarization that is almost indistinguishable from that generated by gravitational lensing or primordial gravitational waves.

matches version accepted for publication in PRD

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Cited by in corpus (18)

• Axion Dark Matter Detection with CMB Polarization
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• Future CMB constraints on cosmic birefringence and implications for fundamental physics
• Probing Axion-like Particles via CMB Polarization
• Fluctuations of cosmological birefringence and the effect on CMB B-mode polarization
• Implications of the Cosmic Birefringence Measurement for the Axion Dark Matter Search
• Cosmic birefringence tomography with polarized Sunyaev Zel'dovich effect
• Can we explain cosmic birefringence without a new light field beyond Standard Model?
• Cosmic Birefringence Fluctuations and Cosmic Microwave Background $B$-mode Polarization
• Detecting relic gravitational waves in the CMB: The contamination caused by the cosmological birefringence
• Exact CMB B-mode power spectrum from anisotropic cosmic birefringence
• Measuring axion gradients with photon interferometry (MAGPI)
• Tomographic constraint on anisotropic cosmic birefringence
• Constraints on cosmic birefringence using $E$-mode polarisation
• Cosmic Birefringence from CP-Violating Axion Interactions
• Improving Cosmic Birefringence Constraints via Delensing
• Constraints on Anisotropic Cosmic Birefringence from CMB B-mode Polarization
• BICEP/Keck XXI: Constraints on Early-Universe Parity Violation from Multipole-Dependent Birefringence