Time-dependent solutions of biadjoint scalar field theories
Biadjoint scalar field theories appear in the study of scattering amplitudes and classical solutions in gauge, gravity and related theories. In this paper, we present new exact solutions of biadjoint scalar field theory, showing that time-dependent solutions are possible and analytically tractable....
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| Format: | Article |
| Language: | English |
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Elsevier
2025-07-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269325002783 |
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| author | Kymani Armstrong-Williams Chris D. White |
| author_facet | Kymani Armstrong-Williams Chris D. White |
| author_sort | Kymani Armstrong-Williams |
| collection | DOAJ |
| description | Biadjoint scalar field theories appear in the study of scattering amplitudes and classical solutions in gauge, gravity and related theories. In this paper, we present new exact solutions of biadjoint scalar field theory, showing that time-dependent solutions are possible and analytically tractable. We generalise the theory to include mass and / or quartic terms, and also a coupling to a constant current. This allows for more exact solutions, which make contact with previous soliton literature. We also find bounded solutions, in contrast to all known previous examples. Our results may be useful for the study of non-perturbative aspects of the double copy between gauge theories and gravity. We also speculate as to their possible practical applications. |
| format | Article |
| id | doaj-art-96fdd150fd784c53b18b3043be2b4f8c |
| institution | DOAJ |
| issn | 0370-2693 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj-art-96fdd150fd784c53b18b3043be2b4f8c2025-08-20T03:11:03ZengElsevierPhysics Letters B0370-26932025-07-0186613951710.1016/j.physletb.2025.139517Time-dependent solutions of biadjoint scalar field theoriesKymani Armstrong-Williams0Chris D. White1Centre for Theoretical Physics, School of Physical and Chemical Sciences, Queen Mary University of London, 327 Mile End Road, London E1 4NS, UKCorresponding author.; Centre for Theoretical Physics, School of Physical and Chemical Sciences, Queen Mary University of London, 327 Mile End Road, London E1 4NS, UKBiadjoint scalar field theories appear in the study of scattering amplitudes and classical solutions in gauge, gravity and related theories. In this paper, we present new exact solutions of biadjoint scalar field theory, showing that time-dependent solutions are possible and analytically tractable. We generalise the theory to include mass and / or quartic terms, and also a coupling to a constant current. This allows for more exact solutions, which make contact with previous soliton literature. We also find bounded solutions, in contrast to all known previous examples. Our results may be useful for the study of non-perturbative aspects of the double copy between gauge theories and gravity. We also speculate as to their possible practical applications.http://www.sciencedirect.com/science/article/pii/S0370269325002783 |
| spellingShingle | Kymani Armstrong-Williams Chris D. White Time-dependent solutions of biadjoint scalar field theories Physics Letters B |
| title | Time-dependent solutions of biadjoint scalar field theories |
| title_full | Time-dependent solutions of biadjoint scalar field theories |
| title_fullStr | Time-dependent solutions of biadjoint scalar field theories |
| title_full_unstemmed | Time-dependent solutions of biadjoint scalar field theories |
| title_short | Time-dependent solutions of biadjoint scalar field theories |
| title_sort | time dependent solutions of biadjoint scalar field theories |
| url | http://www.sciencedirect.com/science/article/pii/S0370269325002783 |
| work_keys_str_mv | AT kymaniarmstrongwilliams timedependentsolutionsofbiadjointscalarfieldtheories AT chrisdwhite timedependentsolutionsofbiadjointscalarfieldtheories |