Quantum Interference Corrections in Electron Hydrodynamics
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866918522937933824 |
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| author | Cortijo, Alberto |
| author_facet | Cortijo, Alberto |
| contents | We show that quantum-interference corrections in an electron fluid are tightly constrained by hydrodynamic Ward identities: charge and momentum conservation protect the $m=0,\pm1$ sectors, so the leading correction first appears in the spin-two $m=\pm2$ stress sector. The resulting hydrodynamic Cooperon has a robust infrared structure that renormalizes stress relaxation, and hence the viscosity. In channel flow this lowers the viscous resistivity, producing a hydrodynamic interference signature with the opposite sign to ordinary weak localization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_26223 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum Interference Corrections in Electron Hydrodynamics Cortijo, Alberto Strongly Correlated Electrons We show that quantum-interference corrections in an electron fluid are tightly constrained by hydrodynamic Ward identities: charge and momentum conservation protect the $m=0,\pm1$ sectors, so the leading correction first appears in the spin-two $m=\pm2$ stress sector. The resulting hydrodynamic Cooperon has a robust infrared structure that renormalizes stress relaxation, and hence the viscosity. In channel flow this lowers the viscous resistivity, producing a hydrodynamic interference signature with the opposite sign to ordinary weak localization. |
| title | Quantum Interference Corrections in Electron Hydrodynamics |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2605.26223 |