File:PhysRevC.100.045201.pdf
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Spin-isospin Kondo effects for Σc and Σ∗c baryons and ¯¯¯D and ¯¯¯D∗ mesons
Summary[edit]
| Description |
English: We study the Kondo effect for a Σc (Σ∗c) baryon in nuclear matter. In terms of the spin and isospin [SU(2)spin×SU(2)isospin] symmetry, the heavy-quark spin symmetry and the S-wave interaction, we provide the general form of the Lagrangian for a Σc (Σ∗c) baryon and a nucleon. We analyze the renormalization equation at the one-loop level and find that the coexistence of spin exchange and isospin exchange magnifies the Kondo effect in comparison with the case where the spin-exchange interaction and the isospin-exchange interaction exist separately. We demonstrate that the solution exists for the ideal sets of the coupling constants, including the SU(4) symmetry as an extension of the SU(2)spin×SU(2)isospin symmetry. We also conduct a similar analysis for the Kondo effect of a ¯¯¯D (¯¯¯D∗) meson in nuclear matter. On the basis of the obtained result, we conjecture that there could exist a “mapping” from the heavy meson (baryon) in vacuum onto the heavy baryon (meson) in nuclear matter. |
| Date | |
| Source |
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.100.045201 https://doi.org/10.1103/PhysRevC.100.045201 |
| Author | Shigehiro Yasui and Tomokazu Miyamoto |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 09:19, 18 October 2019 |  | 1,227 × 1,650, 18 pages (1.57 MB) | Pamputt (talk | contribs) | User created page with UploadWizard |
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