Fermionic Basis in Conformal Field Theory: The Free Fermion Point
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866914268373319680 |
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| author | Adler, Sergei Boos, Hermann |
| author_facet | Adler, Sergei Boos, Hermann |
| contents | In this work, we use the master function approach to describe the CFT limit of the six-vertex model at the free fermion point. Using the ODE/IM correspondence, we obtain an explicit form of the master function. This allows us to compute the asymptotic expansion of the function $ω(λ, μ)$ describing the expectation values of the fermionic basis operators. As a result, we describe the entire Virasoro module of the corresponding CFT, including the integrals of motion as well. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_12843 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Fermionic Basis in Conformal Field Theory: The Free Fermion Point Adler, Sergei Boos, Hermann High Energy Physics - Theory In this work, we use the master function approach to describe the CFT limit of the six-vertex model at the free fermion point. Using the ODE/IM correspondence, we obtain an explicit form of the master function. This allows us to compute the asymptotic expansion of the function $ω(λ, μ)$ describing the expectation values of the fermionic basis operators. As a result, we describe the entire Virasoro module of the corresponding CFT, including the integrals of motion as well. |
| title | Fermionic Basis in Conformal Field Theory: The Free Fermion Point |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2601.12843 |