Energy-Momentum tensor correlators in ϕ4 theory I: The spin-zero sector
We revisit the construction of the renormalized trace Θ of the Energy-Momentum tensor in the four-dimensional λϕ4 theory, using dimensional regularization in d=4−ε dimensions. We first construct several basic correlators such as 〈ϕ2ϕϕ〉, 〈ϕ4ϕϕ〉 to order λ2 and from these the correlators 〈KIϕϕ〉 and 〈K...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-01-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321324003481 |
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