Thermal properties of asymmetrical nuclear matter with the new charge-dependent Reid potential

Moshfegh, H. R.; Modarres, M.

doi:10.1016/j.nuclphysa.2007.04.013

Cited by 31 publications

(14 citation statements)

References 67 publications

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“…This method was reformulated to include more sophisticated interactions [34], such as UV 14 , AV 18 [35], and charge-dependent Reid potential (Reid93) [36]. The LOCV method has been also developed for calculating the various thermodynamic properties of hot and frozen homogeneous fermionic fluids, such as symmetric and asymmetric nuclear matter [37], β-stable matter [38], helium-3 [39], and electron fluid [40], with different realistic interactions. Recently, the LOCV formalism was developed for covering the relativistic Hamiltonian with a potential that has been fitted relativistically to nucleon-nucleon phase shifts [41].…”

Section: The Variational Methodsmentioning

confidence: 99%

“…In this equation, V (1, 2) is a phenomenological nucleon-nucleon potential such as Reid type, UV 14 , and AV 18 . At this stage, we can minimize the twobody energy with respect to the variations of the correlation functions [33,34,36] but subject to the normalization constraint [33][34][35][36][37][38][39][40][41]:…”

Section: The Variational Methodsmentioning

confidence: 99%

“…Both methods have been applied systematically to nuclear matter with different two-body interactions. The results for the saturation point and other physical parameters, such as the compressibility at high density [29,30] and the critical temperature of the liquid-gas phase transition [31,32], are close but not completely in agreement. One of the main goals of this work is to present an analysis of the correlation function that could help understanding the reason of the agreements and the discrepancies by the comparison of the corresponding correlation properties.…”

Section: Introductionmentioning

confidence: 92%

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Correlations in nuclear matter

Baldo

Moshfegh

2012

Phys. Rev. C

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We analyze the nuclear matter correlation properties in terms of the pair correlation function. To this aim we systematically compare the results for the variational method in the lowest-order constrained variational (LOCV) approximation and for the Bruekner-Hartree-Fock (BHF) scheme. A formal link between the Jastrow correlation factor of LOCV and the defect function (DF) of BHF is established and it is shown under which conditions and approximations the two approaches are equivalent. From the numerical comparison it turns out that the two correlation functions are quite close, which indicates in particular that the DF is approximately local and momentum independent. The equations of state (EOS) of nuclear matter in the two approaches are also compared. It is found that once the three-body forces (TBF) are introduced, the two EOS are fairly close, while the agreement between the correlation functions holds with or without TBF.

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Section: The Variational Methodsmentioning

confidence: 99%

Section: The Variational Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 92%

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Correlations in nuclear matter

Baldo

Moshfegh

2012

Phys. Rev. C

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“…Although significant efforts have been devoted to the study of the properties of cold asymmetric nuclear matter during the last decade, much less attention has so far been paid to those of hot asymmetric nuclear matter, especially the temperature dependence of the nuclear symmetry energy [212,213,[339][340][341][342][343]. For finite nuclei at temperatures below about 3 MeV, the shell structure and pairing effects as well as vibrations of nuclear surfaces remain important, and the symmetry energy was predicted to increase only slightly with increasing temperature [344][345][346].…”

Section: Temperature Dependence Of the Symmetry Energy And The Thermamentioning

confidence: 99%

“…As in the case of zero temperature, studies based on both phenomenological and microscopic models [212,339,340,342,343,364] have indicated that the EOS of hot asymmetric nuclear matter at density ρ, temperature T , and an isospin asymmetry δ can also be written as a parabolic function of δ, i.e.,…”

Section: Nuclear Symmetry Energy At Finite Temperaturementioning

confidence: 99%

Recent progress and new challenges in isospin physics with heavy-ion reactions

2008

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The ultimate goal of studying isospin physics via heavy-ion reactions with neutron-rich, stable and/or radioactive nuclei is to explore the isospin dependence of in-medium nuclear effective interactions and the equation of state of neutron-rich nuclear matter, particularly the isospin-dependent term in the equation of state, i.e., the density dependence of the symmetry energy. Because of its great importance for understanding many phenomena in both nuclear physics and astrophysics, the study of the density dependence of the nuclear symmetry energy has been the main focus of the intermediate-energy heavy-ion physics community during the last decade, and significant progress has been achieved both experimentally and theoretically. In particular, a number of phenomena or observables have been identified as sensitive probes to the density dependence of the nuclear symmetry energy. Experimental studies have confirmed some of these interesting isospin-dependent effects and allowed us to constrain relatively stringently the symmetry energy at sub-saturation densities. The impacts of this constrained density dependence of the symmetry energy on the properties of neutron stars have also been studied, and they were found to be very useful for the astrophysical community. With new opportunities provided by the various radioactive beam facilities being constructed around the world, the study of isospin physics is expected to remain one of the forefront research areas in nuclear physics. In this report, we review the major progress achieved during the last decade in isospin physics with heavy ion reactions and discuss future challenges to the most important issues in this field.Key words: Equation of state of asymmetric nuclear matter, Nuclear symmetry energy, Heavy-ion reactions with neutron-rich nuclei, Neutron skin thickness of heavy nuclei, Neutron stars Constraining the Skyrme effective interactions and the neutron skin thickness of heavy nuclei using terrestrial nuclear laboratory data 216 8

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The LOCV asymmetric nuclear matter two-body density distributions versus those of FHNC

Tafrihi

2018

Annals of Physics

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Thermal properties of asymmetrical nuclear matter with the new charge-dependent Reid potential

Cited by 31 publications

References 67 publications

Correlations in nuclear matter

Correlations in nuclear matter

Recent progress and new challenges in isospin physics with heavy-ion reactions

The LOCV asymmetric nuclear matter two-body density distributions versus those of FHNC

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