Phys. Rev. Lett. 47, 1716–1719 (1981)Proximity to the Rho-Meson Condensation Threshold in NucleiReceived 11 May 1981; published in the issue dated 14 December 1981 Critical conditions for instability in the isovector unnatural-parity channel in nuclei are investigated in terms of the random-phase approximation. The particle-hole residual interaction consists of the π and ρ (2π) meson-exchange attractive components in addition to the short-range repulsive Landau term. It is found that the nonresonant part of the iterated two-pion exchange moves the characteristics of the nuclear phase transition closer to those for rho-meson condensation. This mode may dominate at high density. © 1981 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.47.1716
DOI:
10.1103/PhysRevLett.47.1716
PACS:
21.60.-n, 21.60.Jz, 21.65.+f
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