An Algebraic Proof of Thermal Wick's Theorem
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866915093474705408 |
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| author | Chen, Ruofan |
| author_facet | Chen, Ruofan |
| contents | Every many-body state can be constructed from the vacuum state by iteratively applying the creation operators, therefore the thermal expectation can be transformed into a sum of vacuum expectation where the vacuum Wick's theorem holds. Based on this observation this article gives an algebraic proof of thermal Wick's theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_03665 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An Algebraic Proof of Thermal Wick's Theorem Chen, Ruofan Statistical Mechanics Every many-body state can be constructed from the vacuum state by iteratively applying the creation operators, therefore the thermal expectation can be transformed into a sum of vacuum expectation where the vacuum Wick's theorem holds. Based on this observation this article gives an algebraic proof of thermal Wick's theorem. |
| title | An Algebraic Proof of Thermal Wick's Theorem |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2501.03665 |