PARTIAL RESTORATION OF THE CHIRAL SYMMETRY AND THE π CONDENSATION IN NUCLEAR MATTER

ZHANG QI-REN

Chinese Physics C> 1981, Vol. 5> Issue(3) : 314-320

PARTIAL RESTORATION OF THE CHIRAL SYMMETRY AND THE π CONDENSATION IN NUCLEAR MATTER

ZHANG QI-REN

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Abstract：
From the relativistic semiclassieal theory of π condensation[1], we deduced that, in the σ model, because of the variation of the radius of the magic circle with nuclear density, the π condensation in nuclear matter is possible. The calculated critical density is slightly higher than that of the normal ground state nuclear matter.

References

[1]

张启仁,高能物理与核物理,5(1981), 15.[2] B. J. Harrington and A. Yildiz, Phys. Rev., D11(1975), 779.[3] G. Baym and G. Grinetein, Phys. Rev., D15 (1977), 2897.[4] B. J. Harrington and A. Yildiz, Phys. Rev., D11(1975).1705.[5] J. F. Bolzan and W. F. Palmer, Phys, Rev., D11(1975), 2932.[6] T. D. Lee, Rev. Mod. Phys., 47(1975)., 267.[7] G. E. Brown and W. Weiae, Phys. Rept., 27C(1976), 1.[8] A. B. Migdal, Rev. Mod. Phys., 50(1978), 107.[9] D. H. Campbel, R. F. Dashen and J. T. Manassah, Phys. Rev., D12(1975)，979.[10] T. Hamada and I. D. Johneton, Nucl. Phys,34(1962), 382.[11] K. E. Laseila et al,. Phys. Rev., 126(1982), 881.[12] V.B.Pandharipande and E. A. Smith, Phys. Lett., 59B(1975), 15.[13] J. Meyer-ter Vehn, Proceeding of Symposiim on Relativistic Heavy Ion Research, GSI. Dar-matadt (1978), 302.[14] W. D. Myers and W. J. Swiateeki, Ark. For.Fys ,36(1968), 343.[15] W. D. Myers and W. J. Swiatecki, Nucl. Phys., 81(1966), 1,[16] W. D. Myers and W. J. Swiatecki, Ann, of Phya., 84(1974), 786.

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ZHANG QI-REN. PARTIAL RESTORATION OF THE CHIRAL SYMMETRY AND THE π CONDENSATION IN NUCLEAR MATTER[J]. Chinese Physics C, 1981, 5(3): 314-320.

ZHANG QI-REN. PARTIAL RESTORATION OF THE CHIRAL SYMMETRY AND THE π CONDENSATION IN NUCLEAR MATTER[J]. Chinese Physics C, 1981, 5(3): 314-320. shu

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Received: 1980-01-03
Revised: 1900-01-01

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