Eta-mesic nuclei in relativistic mean-field theory (2008)
Song, C. Y., Zhong, X. H., Li, L., Ning, P. Z.
With the eta-nucleon (eta N) interaction Lagrangian deduced from chiral perturbation theory, we study the possible eta-mesic nuclei in the framework of relativistic mean-field theory. The eta...
The $\Sigma\Sigma$ interactions in finite-density QCD sum rules (2007)
Li, P., Zhong, X. H., Li, L., Ning, P. Z.
The properties of $\Sigma$-hyperons in pure $\Sigma$ matter are studied with the finite-density quantum chromo-dynamics sum rule (QCDSR) approach. The $\Sigma\Sigma$ nuclear potential $U_\Sigma$ is...
On the momentum-dependence of $K^{-}$-nuclear potentials (2007)
Dang, L., Li, L., Zhong, X. H., Ning, P. Z.
The momentum dependent $K^{-}$-nucleus optical potentials are obtained based on the relativistic mean-field theory. By considering the quarks coordinates of $K^-$ meson, we introduced a...
$\Lambda$$\Lambda$ interactions in finite-density QCD sum rules (2006)
The properties of $\Lambda$-hyperons in pure $\Lambda$ matter are studied with the finite-density QCD sum rule approach. The first order quark and gluon condensates in $\Lambda$ nuclear matter are...
The hyperon mean free paths in the relativistic mean field (2005)
Wang, Q. L., Dang, L., Zhong, X. H., Ning, P. Z.
The $\Lambda$- and $\Xi^-$-hyperon mean free paths in nuclei are firstly calculated in the relativistic mean field (RMF) theory. The real parts of the optical potential are derived from the RMF...
The properties of kaonic nuclei in relativistic mean-field theory (2005)
Zhong, X. H., Peng, G. X., Li, L., Ning, P. Z.
The static properties of some possible light and moderate kaonic nuclei, from C to Ti, are studied in the relativistic mean-field theory. The 1s and 1p state binding energies of $K^-$ are in the...
$\eta$-meson in nuclear matter (2005)
Zhong, X. H., Peng, G. X., Li, Lei, Ning, P. Z.
The $\eta$-nucleon ($\eta$N) interactions are deduced from the heavy baryon chiral perturbation theory up to the next-to-leading-order terms. Combining the relativistic mean-field theory for nucleon...
Wen, X. J., Zhong, X. H., Peng, G. X., Shen, P. N., Ning, P. Z.
Thermodynamic formulas for investigating systems with density and/or temperature dependent particle masses are generally derived from the fundamental derivation equality of thermodynamics. Various...
Multi-deformed Configurations and Shape Coexistence for Superheavy Elements (2004)
We use the considered axial deformed relativistic mean field theory to perform systematical calculations for Z=112 and 104 isotopic chains with force parameters NL3, NL-SH and NL-Z2 sets. Three...
Some Calculations for Cold Fusion Superheavy Elements (2004)
Zhong, X. H., Li, L., Ning, P. Z.
The Q value and optimal exciting energy of the hypothetical superheavy nuclei in cold fusion reaction are calculated with relativistic mean field model and semiemperical shell model mass...
$\Theta^{+}$ hypernuclei in relativistic mean field model (2004)
Zhong, X. H., Tan, Y. H., Li, L., Ning, P. Z.
We have investigated the properties of $\Theta^{+}$ in nuclei within the framework of relativistic mean field. The coupling constants are educed with quark meson coupling model. There is strong...
Chiral Condensates in Quark and nuclear Matter (2003)
Peng, G. X., Lombardo, U., Loewe, M., Chiang, H. C., Ning, P. Z.
We present a novel treatment for calculating the in-medium quark condensates. The advantage of this approach is that one does not need to make further assumptions on the derivatives of model...
Quark mean field model with density dependent couplings for finite nuclei (2001)
Tan, Y. H., Shen, H., Ning, P. Z.
The quark mean field model, which describes the nucleon using the constituent quark model, is applied to investigate the properties of finite nuclei. The couplings of the scalar and vector mesons...
Thermodynamics, strange quark matter, and strange stars (2000)
Peng, G. X., Chiang, H. C., Ning, P. Z.
Because of the mass density-dependence, an extra term should be added to the expression of pressure. However, it should not appear in that of energy according to both the general ensemble theory and...
Charge and critical density of strange quark matter (1999)
Peng, G. X., Chiang, H. C., Ning, P. Z., Zou, B. S.
The electric charge of strange quark matter is of vital importance to experiments. A recent investigation shows that strangelets are most likely highly negatively charged, rather than slightly...
Quark Mass and Phase Transition for Strange Matter (1998)
For Strange Matter, G. X. Peng, P. Z. Ning, L. Li, S. J. Luo
and many of them have been successfully applied to investigate the stability and properties of SQM. One of the most famous models is the MIT bag model [3] with which Farhi and Jaffe [4] find that SQM...
Mass formulae and strange quark matter (1997)
We have derived the popularly used parametrization formulae for quark masses at low densities and modified them at high densities within the mass-density-dependent model. The results are applied to...