Role of Chiral Symmetry in the Nuclear Many-Body Problem

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The role of chiral (pion) dynamics in nuclear matter is reviewed. Contributions to the energy per particle from one- and two-pion exchange are calculated systematically, and it is demonstrated that already at order $k^4_f$ in the Fermi momentum, two-pion exchange produces realistic nuclear binding together with very reasonable values for the compressibility and the asymmetry energy. Further implications of these results are discussed.
Invited talk presented by W. Weise at the NATO Advanced Research Workshop: The Nuclear Many-Body Problem 2001, 2.-5.6., Brijuni, Croatia

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/81712

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0109052
 http://arxiv.org/abs/nucl-th/0109052

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arXiv