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Related papers: Graviton-photon conversion in stochastic magnetic …

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We investigate axion-photon conversion in stochastic magnetic fields, focusing on the evolution of the photon intensity and polarizations induced by conversion into axions. Assuming Gaussian magnetic fields characterized by the power…

High Energy Physics - Phenomenology · Physics 2025-12-25 Wataru Chiba , Ryusuke Jinno , Kimihiro Nomura

We explore a novel process in the early Universe in which thermalized photons are converted into gravitons in the presence of strong primordial magnetic fields. It is found that the frequency of generated gravitational waves (GWs) is…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-19 Tomohiro Fujita , Kohei Kamada , Yuichiro Nakai

We study conversion processes between gravitons and dark photons and reveal the effects of dark photons on the polarization of gravitational waves. Considering cosmological dark magnetic fields, we investigate the evolution of the intensity…

General Relativity and Quantum Cosmology · Physics 2026-01-06 Kimihiro Nomura , Jiro Soda , Kazushige Ueda , Ziwei Wang

High-frequency gravitational waves ($f \gtrsim 1$ MHz) may provide a unique signature for the existence of exotic physics. The lack of current and future gravitational-wave experiments sensitive at those frequencies leads to the need of…

High Energy Physics - Phenomenology · Physics 2024-10-29 Alessandro Lella , Francesca Calore , Pierluca Carenza , Alessandro Mirizzi

The conversion of gravitational to electromagnetic waves in the presence of background magnetic fields is known as the inverse Gertsenshtein effect, analogous to the Primakoff effect for axions. Rephrasing this conversion as a classical…

General Relativity and Quantum Cosmology · Physics 2025-07-23 Valerie Domcke , Camilo Garcia-Cely , Sung Mook Lee

We study the graviton-photon conversion in the magnetic fields of the Earth, the Milky Way Galaxy, and intergalactic regions. Requiring that the photon flux converted from gravitons does not exceed the observed photon flux with telescopes,…

General Relativity and Quantum Cosmology · Physics 2024-02-22 Asuka Ito , Kazunori Kohri , Kazunori Nakayama

We investigate graviton-photon oscillations sourced by cosmological magnetic fields from Gertsenshtein effect. We adopt a robust perturbative approach and we find that the conversion probability from graviton to photon can be resonantly…

General Relativity and Quantum Cosmology · Physics 2024-01-30 Andrea Addazi , Salvatore Capozziello , Qingyu Gan

While photons and gravitons do not interact significantly, photons can be converted to gravitons in a background magnetic field -- a phenomenon known as the Gertsenshtein effect. In this paper, we investigate whether chiral electromagnetic…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-24 Ashu Kushwaha , Rajeev Kumar Jain

A magnetic field enables the interconversion of photons and gravitons, yet the process is usually analysed only at the level of classical wave equations. We revisit photon-graviton conversion in a quantum field theoretic framework, allowing…

Quantum Physics · Physics 2025-07-03 Taiki Ikeda , Youka Kaku , Sugumi Kanno , Jiro Soda

Graviton-photon conversions in a given external electric or magnetic field, known as the Gertsenshtein mechanism, are usually treated using the four-potential for photons. In terms of the electric and magnetic (EM) fields, however, proper…

General Relativity and Quantum Cosmology · Physics 2024-01-23 Jai-chan Hwang , Hyerim Noh

We study graviton-photon conversion in magnetosphere of a pulsar and explore the possibility of detecting high frequency gravitational waves with pulsar observations. It is shown that conversion of one polarization mode of photons can be…

General Relativity and Quantum Cosmology · Physics 2023-05-24 Asuka Ito , Kazunori Kohri , Kazunori Nakayama

High-frequency gravitational waves, particularly in the range $f \gtrsim 10^{10}~\mathrm{Hz}$, represent a compelling probe of physics beyond the Standard Model. Due to the absence of direct detection methods in this frequency regime,…

High Energy Physics - Phenomenology · Physics 2026-04-03 Aman Gupta , Pratik Majumdar , Sourov Roy , Pratick Sarkar

The suppression of relic gravitational waves due to their conversion into electromagnetic radiation in a cosmological magnetic field is studied. The coupled system of equations describing gravitational and electromagnetic wave propagation…

General Relativity and Quantum Cosmology · Physics 2023-12-27 A. D. Dolgov , L. A. Panasenko , V. A. Bochko

When a gravitational wave or a graviton travels through an electric or magnetic background, it could convert into a photon with some probability. In this paper, a dipole magnetic field is considered as this kind of background in both the…

General Relativity and Quantum Cosmology · Physics 2022-12-14 Chao-Jun Feng , Ao Guo , Zhong-Ming Xie , Miao Li

Graviton-photon oscillation is the conversion of gravitational waves to electromagnetic waves and vice versa in the presence of a background electromagnetic field. We investigate this phenomenon in a cosmological scenario considering a…

General Relativity and Quantum Cosmology · Physics 2023-10-10 José A. R. Cembranos , Miguel González Ortiz , Prado Martín-Moruno

High-Frequency Gravitational Waves (HFGWs) constitute a unique window on the early Universe as well as exotic astrophysical objects. If the current gravitational wave experiments are more dedicated to the low frequency regime, the graviton…

General Relativity and Quantum Cosmology · Physics 2025-01-29 Virgile Dandoy , Toni Bertólez-Martínez , Francesco Costa

We reconsider the effects of photon-graviton conversion in a primordial magnetic field upon the cosmic microwave background radiation. We argue that plasma effects make the photon-graviton conversion process negligible.

Astrophysics · Physics 2009-10-28 Analia N. Cillis , Diego D. Harari

Conversion of the CMB photons into gravitational waves at the post recombination epoch is considered. We calculate the probability of transformation of the CMB photons into gravitons in the presence of a large scale magnetic field. Based on…

General Relativity and Quantum Cosmology · Physics 2013-06-28 Damian Ejlli

We consider propagation of gravitational radiation in a magnetized multicomponent plasma. It is shown that large density perturbations can be generated, even for small deviations from flat space, provided the cyclotron frequency is much…

Astrophysics · Physics 2009-10-31 G. Brodin , M. Marklund , M. Servin

In this work I study the effect of graviton-photon mixing in a constant external magnetic field and find for the first time in the literature exact solution of the equations of motion. In particular, I apply the effect of graviton-photon…

General Relativity and Quantum Cosmology · Physics 2020-07-15 Damian Ejlli
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