Vacuum energy density from the form factor bootstrap
Abstract The form-factor bootstrap is incomplete until one normalizes the zero-particle form factor. For the stress energy tensor we describe how to obtain the vacuum energy density ρ vac, defined as 〈0|T μν |0〉 = ρ vac g μν , from the form-factor bootstrap. Even for integrable QFT’s in D=2 spacetim...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2024-12-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP12(2024)110 |
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