Titlebook: Bosonization of Interacting Fermions in Arbitrary Dimensions; Peter Kopietz Book 1997 Springer-Verlag Berlin Heidelberg 1997 Fermion-Syste

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书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions影响因子(影响力)




书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions影响因子(影响力)学科排名




书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions网络公开度




书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions网络公开度学科排名




书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions被引频次




书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions被引频次学科排名




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书目名称Bosonization of Interacting Fermions in Arbitrary Dimensions读者反馈学科排名

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https://doi.org/10.1007/978-3-662-48784-6ating the density-density correlation function within the RPA. We develop a general formalism for obtaining corrections to the Gaussian approximation, and show that these are nothing but the local-field corrections to the RPA. Some of the results presented in this chapter has been published in [1.36].

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https://doi.org/10.1007/978-3-8350-5458-5lem in the work [.]. It turns out, however, that in physically relevant cases quantitatively correct results for the single-particle Green’s function can only be obtained if one retains the quadratic terms in the expansion of the energy dispersion close to the Fermi surface.

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Fermions in a stochastic mediums equivalent with conventional perturbation theory based on the lowest order Born approximation. We also critically discuss the linearization of the energy dispersion, and give a simple example where this approximation leads to an unphysical result. Some of the calculations described in this chapter have been published in [.].