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Compressibility of dense nuclear matter in the $\rho$-meson variant of the Skyrme model

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arxiv 2405.20757 v1 pith:INL5ELX6 submitted 2024-05-31 hep-th

Miguel Huidobro , Paul Leask , Carlos Naya , Andrzej Wereszczynski This is my paper · ORCID
classification hep-th
keywords skyrmemodelcompressibilitymesonsimeqactioncompressioncoupling
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abstract

We show that coupling the $\textrm{SU}(2)$-valued Skyrme field to the $\rho$-meson solves the long-standing issue of (in)compressibility in the solitonic Skyrme model. Even by including only one $\rho\pi$ interaction term, motivated by a holographic-like reduction of Yang-Mills action by Sutcliffe, reduces the compression modulus from $K_0 \simeq 1080$ MeV, in the massive Skyrme model, to $K_0\simeq 351$ MeV.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. An Extended Soliton's Zero Modes

    hep-th 2025-07 conditional novelty 6.0 of 10

    For infinitely extended solitons the translation zero mode can be given a normalizable wave function, and the resulting Stokes scattering probability for exciting a string's translation mode is computed.

  2. Electroweak form factors of large nuclei as BPS skyrmions

    nucl-th 2025-10 conditional novelty 5.0 of 10

    With one fitted radial parameter, the BPS Skyrme model reproduces electromagnetic and weak form factors of heavy nuclei up to about 150 MeV, including PREX and CREX data.

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