Phys. Rev. D, 107, L101901 (2023)
TTbar deformed soft theorem
Song He1,3, Pujian Mao2 and Xin-Cheng Mao1
1 Center for Theoretical Physics and College of Physics, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
2 Center for Joint Quantum Studies and Department of Physics, School of Science, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
3 Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Am Mühlenberg 1, 14476 Golm, Germany.
* hesong@jlu.edu.cn, pjmao@tju.edu.cn, maoxc1120@mails.jlu.edu.cn
Abstract
In this paper, we derive a TTbar deformed soft graviton theorem in terms of celestial holography. As a concrete example, it illustrates that a two-dimensional irrelevant deformation can be applied to a fourdimensional theory at the level of amplitudes.
