Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background
Minimal coupling leads to problems such as loss of causality if one wants to describe charged particles of spin greater than one propagating in a constant electromagnetic background. Regge trajectories in string theory contain such states, so their study may allow us to investigate possible avenues...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-03-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S037026932300014X |
| _version_ | 1797905308955181056 |
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| author | Karim Benakli Cassiano A. Daniel Wenqi Ke |
| author_facet | Karim Benakli Cassiano A. Daniel Wenqi Ke |
| author_sort | Karim Benakli |
| collection | DOAJ |
| description | Minimal coupling leads to problems such as loss of causality if one wants to describe charged particles of spin greater than one propagating in a constant electromagnetic background. Regge trajectories in string theory contain such states, so their study may allow us to investigate possible avenues to remedy the pathologies. We present here two explicit forms, related by field redefinitions, of the Lagrangian describing the bosonic states in the first massive level of open superstrings in four dimensions. The first one reduces, when the electromagnetic field is set to zero, to the Fierz-Pauli Lagrangian for the spin-2 mode. The second one is a more compact form which simplifies the derivation of a Fierz-Pauli system of equations of motion and constraints. |
| first_indexed | 2024-04-10T10:04:14Z |
| format | Article |
| id | doaj.art-23833cd3fa594202bd876efc110451bb |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-04-10T10:04:14Z |
| publishDate | 2023-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-23833cd3fa594202bd876efc110451bb2023-02-16T04:17:32ZengElsevierPhysics Letters B0370-26932023-03-01838137680Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic backgroundKarim Benakli0Cassiano A. Daniel1Wenqi Ke2Sorbonne Université, CNRS, Laboratoire de Physique Théorique et Hautes Energies, LPTHE, F-75005 Paris, FranceICTP South American Institute for Fundamental Research, Instituto de Física Teórica, Universidade Estadual Paulista, Rua Dr. Bento Teobaldo Ferraz 271, 01140-070, São Paulo - SP, BrazilSorbonne Université, CNRS, Laboratoire de Physique Théorique et Hautes Energies, LPTHE, F-75005 Paris, FranceMinimal coupling leads to problems such as loss of causality if one wants to describe charged particles of spin greater than one propagating in a constant electromagnetic background. Regge trajectories in string theory contain such states, so their study may allow us to investigate possible avenues to remedy the pathologies. We present here two explicit forms, related by field redefinitions, of the Lagrangian describing the bosonic states in the first massive level of open superstrings in four dimensions. The first one reduces, when the electromagnetic field is set to zero, to the Fierz-Pauli Lagrangian for the spin-2 mode. The second one is a more compact form which simplifies the derivation of a Fierz-Pauli system of equations of motion and constraints.http://www.sciencedirect.com/science/article/pii/S037026932300014X |
| spellingShingle | Karim Benakli Cassiano A. Daniel Wenqi Ke Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background Physics Letters B |
| title | Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background |
| title_full | Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background |
| title_fullStr | Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background |
| title_full_unstemmed | Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background |
| title_short | Open superstring first mass level effective Lagrangian: Massive spin-2 in an electromagnetic background |
| title_sort | open superstring first mass level effective lagrangian massive spin 2 in an electromagnetic background |
| url | http://www.sciencedirect.com/science/article/pii/S037026932300014X |
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