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Prog. Theor. Phys. Vol. 78 No. 2 (1987) pp. 358-369

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On the Chiral Soliton Model with ρ Mesons

Yuji Igarashi, Akizo Kobayashi,* Hedeharu Otsu** and Shoji Sawada**

Laboratory of Physics, Faculty of Education, Niigata University, Niigata 950-21
*Department of Physics, Brandeis University, Waltham, MA 02254
**Department of Physics, Nagoya University, Nagoya 464

(Received February 16, 1987)

Abstract:

A Chiral Soliton model coupled with the ρ mesons is re-examined by including fourth order derivative terms needed to stabilize solitons. There appear six such terms in the approach based on the hidden local symmetry. The static solutions and their stability are studied in two cases with different fourth-order terms: (A) with the Skyrme term and (B) with a ρ-coupled term. As far as parity-conserving solutions are concerned, the stationary solution in model (A) cannot be the absolute minimum for the Skyrme coupling e>7.5. In (B) the ρ-coupled stabilizer does not affect low energy relations of π-ρ-skyrmion system, and gives rise to negligible contributions to the soliton mass.


URL : http://ptp.ipap.jp/link?PTP/78/358/
DOI : 10.1143/PTP.78.358

[ Full Text PDF : FREE ACCESS (522K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 82 No. 1 (1989) pp. 141-152 :
    Multi-Skyrmion With ρ and ω Mesons
    Hiroshi Imai, Akizo Kobayashi, Hideharu Otsu and Shoji Sawada
  2. Progress of Theoretical Physics Vol. 85 No. 3 (1991) pp. 615-629 :
    Four-Phase Structure of ρ Meson Coupled Skyrmions on S3
    Hiroshi Imai, Akizo Kobayashi, Hideharu Otsu and Shoji Sawada
  3. Progress of Theoretical Physics Vol. 87 No. 2 (1992) pp. 457-467 :
    Stability of Quantized Chiral Soliton Coupled with the ρ Meson
    Keyan Yang, Shoji Sawada and Akizo Kobayashi
  4. Progress of Theoretical Physics Supplement No.109 (1992) pp. 19-44 :
    Chapter II. Stability of Chiral Solitons
    Akizo Kobayashi, Hideharu Otsu, Toshiro Sato and Shoji Sawada

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