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July 1, 1993Physical review. B, Condensed matter

Cluster expansion for the self-energy: A simple many-body method for interpreting the photoemission spectra of correlated Fermi systems

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CGClaudius GrosGoethe University FrankfurtRVRoser ValentíGoethe University Frankfurt

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Gros et al. (1993) studied this question.

synapsesocial.com/papers/6a704ed031a3df82432891a0https://doi.org/10.1103/physrevb.48.418
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