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Related papers: Shell-structure effects on high-pressure Rankine-H…

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An effective two-body interaction is constructed from a new Reid-like $NN$ potential for a large no-core space consisting of six major shells and is used to generate the shell-model properties for light nuclei from $A$=2 to 6. (For…

Nuclear Theory · Physics 2008-11-26 D. C. Zheng , J. P. Vary , B. R. Barrett

We examine thin films of two simple metals (aluminum and lithium) in the stabilized jellium model, a modification of the regular jellium model in which a constant potential is added inside the metal to stabilize the system for a given…

Materials Science · Physics 2009-10-31 I. Sarria , C. Henriques , C. Fiolhais , J. M. Pitarke

The ratio of the alpha-decay widths of a bare nucleus and the related atom is calculated. Both the change of the form and thus the penetrability of the potential barrier and the effect of reflection in the classically-allowed region…

Nuclear Theory · Physics 2012-12-04 Sergey Yu. Igashov , Yury M. Tchuvil'sky

Ammonia is predicted to be one of the major components in the depths of the ice giant planets Uranus and Neptune. Their dynamics, evolution, and interior structure are insufficiently understood and models rely imperatively on data for…

Earth and Planetary Astrophysics · Physics 2021-01-19 A. Ravasio , M. Bethkenhagen , J. -A. Hernandez , A. Benuzzi-Mounaix , F. Datchi , M. French , M. Guarguaglini , F. Lefevre , S. Ninet , R. Redmer , T. Vinci

We investigate the structural and thermodynamic properties of high-pressure ice by incorporating quantum anharmonicity at a non-perturbative level. Quantum fluctuations reduce the critical pressure of the phase transition between phase VIII…

Other Condensed Matter · Physics 2024-03-15 Marco Cherubini , Lorenzo Monacelli , Bingjia Yang , Roberto Car , Michele Casula , Francesco Mauri

The effect of topology on the collapse transition and instantaneous shape of an energy polydisperse polymer (a model heteropolymer) is studied by means of computer simulations. In particular, we consider three different chain topology,…

Soft Condensed Matter · Physics 2022-11-24 Thoudam Vilip Singh , Lenin S. Shagolsem

In this work, we have applied the self-compressed stabilized jellium model to predict the equilibrium properties of isolated thin Al, Na, and Cs slabs. To make a direct correspondence to atomic slabs, we have considered only those $L$…

Materials Science · Physics 2015-05-13 T. Mahmoodi , M. Payami

We study the shock structure and the sub-shocks formation in a binary mixture of rarefied polyatomic gases, considering the dissipation only due to the dynamic pressure. We classify the regions depending on the concentration and the Mach…

Fluid Dynamics · Physics 2023-05-19 Tommaso Ruggeri , Shigeru Taniguchi

We carry out direct numerical simulations of turbulent astrophysical media exposed to the redshift zero metagalactic background. The simulations assume solar composition and explicitly track ionizations, recombinations, and ion-by-ion…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-16 William J Gray , Evan Scannapieco

We have studied the effect of structural disorder on the de Haas van Alphen (dHvA) and Shubnikov de Haas (SdH) quantum oscillations measured in single-crystal and highly oriented pyrolytic graphite samples at temperatures down to 30 mK and…

Mesoscale and Nanoscale Physics · Physics 2017-02-07 Bruno Camargo , Yakov Kopelevich , Steven Hubband , Alan Usher

Recently, a peak in the light fermion pair spectrum at invariant q^2 approximately equal to 16.7 Me^2. has been observed in the bombardment of Li-7 by protons. This peak has been interpreted in terms of a protophobic interaction of fermions…

High Energy Physics - Phenomenology · Physics 2018-04-10 Ulrich D. Jentschura , Istvan Nandori

The energy levels of hydrogen and helium atoms in strong magnetic fields are calculated in this study. The current work contains estimates of the binding energies of the first few low-lying states of these systems that are improvements upon…

Astrophysics · Physics 2012-02-08 Anand Thirumalai , Jeremy S. Heyl

We study quantum Hall effect within the framework of a newly proposed approach, which captures the principal results of some proposals. This can be established by considering a system of particles living on the non-commutative plane in the…

High Energy Physics - Theory · Physics 2008-11-26 Ahmed Jellal , Youssef Khedif

The electron and phonon spectra, as well as the density of electron and phonon states of the stable orthorhombic structure of hydrogen sulfide (SH2) at pressures 100-180 GPa have been calculated. It is found that the set of parallel planes…

Superconductivity · Physics 2015-07-22 Nikolay Degtyarenko , Evgeny Mazur

We summarize recent work in which the shell effect, which causes the onset of the mass asymmetry in nuclear fission, could be explained semiclassically in the framework of the periodic orbit theory. We also present new results for the…

Nuclear Theory · Physics 2017-08-23 M. Brack , Ch. Amann

The stability of high-pressure phases of hydrogen remains a central question in condensed matter physics, where both experimental observations and theoretical predictions are highly sensitive to methodological choices. Here, we revisit the…

Materials Science · Physics 2025-10-03 Stefano Racioppi , Eva Zurek

We analyze the ability of the three different Liquid Drop Mass (LDM) formulas to describe nuclear masses for nuclei in various deformation regions. Separating the 2149 measured nuclear species in eight sets with similar quadrupole…

Nuclear Theory · Physics 2015-05-30 Cesar Barbero , Jorge G. Hirsch , Alejandro Mariano

The effect of pressure on the hexagonal close-packed structure of titanium is investigated. The lattice parameters of the equilibrium structure were determined in terms of the Gibbs free energy using the Epitaxial Bain Path method. When…

Materials Science · Physics 2011-07-21 M. Jafari , A. Jahandoost , Me. Vaezzadeh , N. Zarifi

Leading edges of hypersonic vehicles can reach temperatures greater than 2000 {\deg}C, and radii of curvature smaller than 1 cm, at which thermionic emission (also known as electron transpiration) can play a significant role in cooling the…

Plasma Physics · Physics 2025-02-25 Indronil Ghosh , Timothy S. Fisher

The interpretation of recent observations of bow shocks around O-stars and the creation of corresponding models require a detailed understanding of the associated (magneto-)hydrodynamic structures. We base our study on three-dimensional…

Solar and Stellar Astrophysics · Physics 2020-02-26 K. Scherer , L. R. Baalmann , H. Fichtner , J. Kleimann , D. J. Bomans , K. Weis , S. E. S. Ferreira , K. Herbst