Gravitational wave double copy of radiation from gluon shockwave collisions
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arXiv
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| Format: | Preprint |
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2023
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| _version_ | 1866914763560189952 |
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| author | Raj, Himanshu Venugopalan, Raju |
| author_facet | Raj, Himanshu Venugopalan, Raju |
| contents | In a recent paper, we showed that the gravitational wave spectrum from trans-Planckian shockwave scattering in Einstein gravity is determined by the gravitational Lipatov vertex expressed as the bilinear double copy $Γ^{μν} = \frac12 C^μC^ν- \frac12 N^μN^ν$ where $C^μ$ is the QCD Lipatov vertex and $N^μ$ is the QED soft photon factor. We show here that this result can be directly obtained by careful application of the classical color-kinematic duality to the spectrum obtained in gluon shockwave collisions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2312_03507 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Gravitational wave double copy of radiation from gluon shockwave collisions Raj, Himanshu Venugopalan, Raju High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology Nuclear Theory In a recent paper, we showed that the gravitational wave spectrum from trans-Planckian shockwave scattering in Einstein gravity is determined by the gravitational Lipatov vertex expressed as the bilinear double copy $Γ^{μν} = \frac12 C^μC^ν- \frac12 N^μN^ν$ where $C^μ$ is the QCD Lipatov vertex and $N^μ$ is the QED soft photon factor. We show here that this result can be directly obtained by careful application of the classical color-kinematic duality to the spectrum obtained in gluon shockwave collisions. |
| title | Gravitational wave double copy of radiation from gluon shockwave collisions |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2312.03507 |