Number of states for identical particles

Bao, M.; Zhao, Y. M.

doi:10.1103/physrevc.93.014307

Cited by 12 publications

(35 citation statements)

References 16 publications

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“…Recently, in Ref. [23] the influence of surface and Coulomb interactions on the liquid-gas phase transition of stellar matter is studied in a consistent manner by using a compressible liquid-drop model where the surface and Coulomb contributions are included while deriving the phase equilibrium conditions. They found that the finite-size effects significantly reduce the region of liquid-gas mixed phase and the critical temperature (T c ) is much lower than that obtained with bulk calculation.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Coulomb interaction on the liquid-gas phase transition of nuclear matter

Nandi

Schramm

2017

Phys. Rev. C

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We investigate the role of the Coulomb interaction on the liquid-gas phase transition of nuclear matter with three different values of proton fraction (Y p = 0.5, 0.3 and 0.1), relevant for heavy-ion physics as well as various astrophysical scenarios, within the framework of quantum molecular dynamics. We perform simulations for a wide range of density and temperature with and without the Coulomb interaction and calculate the two-point correlation functions of nucleon density fluctuations for all the configurations to determine the phase transition region. We also determine the critical end point of the liquid-gas phase transition for all three values of proton fraction considered. We observe that the Coulomb interaction reduces the transition temperature by > ∼ 2 MeV for nuclear matter with Y p = 0.5 and 0.3 and by ∼ 1 MeV for nuclear matter with Y p = 0.1. However, the critical density is found to be more or less insensitive to the Coulomb

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Section: Introductionmentioning

confidence: 99%

Effect of the Coulomb interaction on the liquid-gas phase transition of nuclear matter

Nandi

Schramm

2017

Phys. Rev. C

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“…This DNS mechanism of the compound nucleus formation is applied to the SHN production in Refs. [59][60][61][62][63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78], see also papers cited therein.…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, the DNS potential calculated in Refs. [60][61][62][63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78] shows the strong repulsion at small distances between nuclei, which stabilizes the DNS system in this model. Such behaviour of the DNS potential in Refs.…”

Section: Introductionmentioning

confidence: 99%

Production of super-heavy nuclei in cold fusion reactions

Denisov,

Sedykh

2021

Preprint

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The model for the cold-fusion reactions related to the synthesis of super-heavy nuclei in collisions of heavy projectile-nuclei with 208 Pb target nucleus is discussed. In the framework of this model the production of the compound nucleus by two paths through, the di-nuclear system and the fusion way, are taken into account simultaneously. The formation of the compound nucleus in the framework of the di-nuclear system is related to the transfer of nucleons from the light nucleus to the heavy one. The fusion way is linked to the sequential evolution of the nuclear shape from the system of contacting nuclei to the compound nucleus. It is shown that the compound nucleus is mainly formed by the fusion way in the cold-fusion reactions. The landscape of the potential energy related to the fusion path is discussed in detail. This landscape for very heavy nucleus-nucleus systems has the intermediate state, which is linked to the formation of both the compound nucleus and the quasi-fission fragments. The decay of the intermediate state is taken into account in the calculation of the compound nucleus production cross sections and the quasi-fission cross sections. The values of the cold-fusion cross sections obtained in the model are well agreed with the experimental data.

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“…There are estimations indicating that QGP-like systems yielded in heavy-ion collisions are of the order of units or dozens of fermi [5][6][7]. In this sense, the influence of the size of the system on its thermodynamic behaviour and phase diagram has been widely analyzed in the literature through distinct and effective approaches, as Dyson-Schwinger equations of QCD [8][9][10], quark-meson model [11,12], extensions and generalizations of the Nambu-Jona-Lasinio (NJL) model [13][14][15][16][17][18][19][20][21][22][23], and others [24][25][26][27][28][29][30][31][32][33][34][35][36][37][38]. The main findings of these works point out that the finite volume, combined with other relevant variables, act on the thermodynamic behavior of strongly interacting matter.…”

Section: Introductionmentioning

confidence: 99%

Finite-volume and magnetic effects on the phase structure of the three-flavor Nambu–Jona-Lasinio model

et al. 2019

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In this work we analyze the finite-volume and magnetic effects on the phase structure of a generalized version of Nambu-Jona-Lasinio model with three quark flavors. By making use of mean-field approximation and Schwinger's proper-time method in a toroidal topology with antiperiodic conditions, we investigate the gap equation solutions under the change of the size of compactified coordinates, strength of magnetic field, temperature and chemical potential. The 't Hooft interaction contributions are also evaluated. The thermodynamic behavior is strongly affected by the combined effects of relevant variables. The findings suggest that the broken phase is disfavored due to both increasing of temperature and chemical potential, and the drop of the cubic volume of size L, whereas it is stimulated with the augmentation of magnetic field. In particular, the reduction of L (remarkably at L ≈ 0.5 − 3 fm) engenders a reduction of the constituent masses for u, d, s-quarks through a crossover phase transition to the their corresponding current quark masses. On the other hand, the presence of a magnetic background generates greater values constituent quark masses, inducing smaller sizes and greater temperatures at which the constituent quark masses drop to the respective current ones.

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Number of states for identical particles

Cited by 12 publications

References 16 publications

Effect of the Coulomb interaction on the liquid-gas phase transition of nuclear matter

Effect of the Coulomb interaction on the liquid-gas phase transition of nuclear matter

Production of super-heavy nuclei in cold fusion reactions

Finite-volume and magnetic effects on the phase structure of the three-flavor Nambu–Jona-Lasinio model

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