Schrieffer-Wolff transformation for quantum many-body systems by Sergey Bravyi and others 2026-11-05
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Annals of Physics 326, 2793–2826. By Sergey Bravyi, David P. DiVincenzo and Daniel Loss.
arxiv.org/abs/1105.0675
Verified section 3.2, equations (3.6)–(3.15): diagonal/off-diagonal decomposition and second-order projected Hamiltonian. Section 1.1 records the Anderson-to-Kondo application. The wiki two-level example is derived independently.
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