https://doi.org/10.1140/epjc/s10052-024-12986-1
Regular Article - Theoretical Physics
Gravitons in a gravitational plane wave
Departamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain
Received:
11
March
2024
Accepted:
3
June
2024
Published online:
3
July
2024
Gravitational plane waves (when Ricci flat) belong to the VSI family. The achronym VSI stands for vanishing scalar invariants, meaning that all scalar invariants built out of Riemann tensor and its derivatives vanish, although the Riemann tensor itself does not. In the particular case of plane waves many interesting phenomena have been uncovered for strings propagating in this background. Here we comment on gravitons propagating in such a spacetime.
© The Author(s) 2024
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