Closed string amplitudes around tachyon vacuum solution in Kaku theory
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866909562431340544 |
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| author | Ando, Yuji |
| author_facet | Ando, Yuji |
| contents | We incorporate closed string field into Kaku's open string field theory which is defined by using Kaku vertex, and we construct open-closed string field theory. To do this, we define new consistent open-closed vertex and open-open-closed vertex with the Kaku vertex. Because these vertices depend on Chan-Paton parameter such as the Kaku vertex, the open-closed string field theory action that we construct depends on the Chan-Paton parameter such as the Kaku's theory action. However, we can show that an infinitesimal change of $l$ corresponds to a field redefinition. Furthermore, we compute closed string amplitudes around tachyon vacuum solution in this theory. As a result, we confirm that these are conventional pure closed string amplitudes on surfaces without boundaries. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_14308 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Closed string amplitudes around tachyon vacuum solution in Kaku theory Ando, Yuji High Energy Physics - Theory We incorporate closed string field into Kaku's open string field theory which is defined by using Kaku vertex, and we construct open-closed string field theory. To do this, we define new consistent open-closed vertex and open-open-closed vertex with the Kaku vertex. Because these vertices depend on Chan-Paton parameter such as the Kaku vertex, the open-closed string field theory action that we construct depends on the Chan-Paton parameter such as the Kaku's theory action. However, we can show that an infinitesimal change of $l$ corresponds to a field redefinition. Furthermore, we compute closed string amplitudes around tachyon vacuum solution in this theory. As a result, we confirm that these are conventional pure closed string amplitudes on surfaces without boundaries. |
| title | Closed string amplitudes around tachyon vacuum solution in Kaku theory |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2310.14308 |