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Published in 2019 at "Annals of Physics"
DOI: 10.1016/j.aop.2019.03.016
Abstract: Three Fermion sumrules for interacting systems are derived at T=0, involving the number expectation $\bar{N}(\mu)$, canonical chemical potentials $\mu(m)$, a logarithmic time derivative of the Greens function $\gamma_{\vec{k} \sigma}$ and the static Greens function. In…
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Keywords:
fermi surface;
vec;
interacting systems;
vec sigma ... See more keywords