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Related papers: Effect of pairing on nuclear dynamic

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Quantum-statistical correlation measurements in high-energy physics represent an important tool to obtain information about the space-time structure of the particle-emitting source. There are several final state effects which may modify the…

High Energy Physics - Phenomenology · Physics 2023-09-27 Mate Csanad , Antal Jakovac , Sandor Lokos , Ayon Mukherjee , Srikanta Kumar Tripathy

We discuss the relevant progress that has been made in the last few years on the microscopic theory of the pairing correlation in nuclei and the open problems that still must be solved in order to reach a satisfactory description and…

Nuclear Theory · Physics 2010-04-30 M. Baldo , U. Lombardo , S. S. Pankratov , E. E. Saperstein

This contribution will survey recent progress toward an understanding of diverse pairing phenomena in dilute nuclear matter at small and moderate isospin asymmetry, with results of potential relevance to supernova envelopes and…

The impact of dynamic pairing correlations and their interplay with Coulomb antipairing effects on the systematic of the spontaneous fission half-lives for the nuclei $^{240-250}$Cm and $^{240-250}$Cf is analyzed, using a hierarchy of…

Nuclear Theory · Physics 2023-04-14 R. Rodriguez-Guzman , L. M. Robledo , C. A. Jimenez-Hoyos , N. C. Hernandez

We study the effect of Coulomb interactions in transition metal oxides junctions. In this paper we analyze charge transfer at the interface of a three layer ferromagnetic-paramagnetic-ferromagnetic metallic oxide system. We choose a charge…

Strongly Correlated Electrons · Physics 2009-11-13 R. Allub , J. D. Fuhr , M. Avignon , B. Alascio

The role of exchange-correlation effects in non-equilibrium quantum transport through molecular junctions is assessed by analyzing the IV curve of a generic two-level model using self-consistent many-body perturbation theory (second Born…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Kristian S. Thygesen

Stimulated by the still puzzling competition between spin-singlet and spin-triplet pairing in nuclei, the 3SD1 neutron-proton pairing is investigated in the framework of BCS theory of nuclear matter. The medium polarization effects are…

Nuclear Theory · Physics 2020-02-03 Wenmei Guo , Umberto Lombardo , Peter Schuck

The role of L=0 pairing interactions (both T=0 and T=1) in three selected bands with the total isospin T=0 in 22Na, 48Cr and 90Rh nuclei is discussed in the spherical shell model. These bands were selected requiring termination in a most…

Nuclear Theory · Physics 2007-05-23 A. Juodagalvis

Background: The study of deep-inelastic reactions of nuclei provide a vehicle to investigate nuclear transport phenomena for a full range of equilibration dynamics. These inquires provide us the ingredients to model such phenomena and help…

Nuclear Theory · Physics 2017-09-06 A. S. Umar , C. Simenel , W. Ye

Microscopic models based on multilevel atoms are central to optimizing non-linear optical responses and the coherent control of light. These models are traditionally based on single-atom effects that are parametrically extrapolated to…

Josephson-like junctions, transiently established in heavy ion collisions between superfluid nuclei, few MeV below the Coulomb barrier, allow for the back and forth transfer of a nuclear Cooper pair of effectively charged nucleons and thus…

Nuclear Theory · Physics 2022-06-22 R. A. Broglia , F. Barranco , L. Corradi , G. Potel , S. Szilner , E. Vigezzi

The use of effective local Coulomb interactions that are dynamical, that is, frequency-dependent, is an efficient tool to describe the effect of long-range Coulomb interactions and screening thereof in solids. The dynamical character of the…

Strongly Correlated Electrons · Physics 2015-12-29 Silke Biermann , Ambroise van Roekeghem

The density-constrained time-dependent Hartree-Fock (DC-TDHF) theory is a fully microscopic approach for calculating heavy-ion interaction potentials and fusion cross sections below and above the fusion barrier. We discuss recent…

Nuclear Theory · Physics 2017-08-23 A. S. Umar , V. E. Oberacker , J. A. Maruhn , R. Keser

We discuss the application of a theory of large-amplitude collective motion to a simple model mimicking the pairing-plus-quadrupole model of nuclear physics.

Nuclear Theory · Physics 2008-11-26 Takashi Nakatsukasa , Niels R Walet

A microscopic theory for nuclear pairing is proposed through the generalized density matrix formalism. The analytical equations are as simple as that of the BCS theory, and could be solved within a similar computer time. The current theory…

Nuclear Theory · Physics 2015-06-15 L. Y. Jia

In this paper we assume quantum dots can be assimilated to Fermi Hubbard sites when the Coulomb interaction between electrons is higher compared to their tunneling. The study of pairwise entanglement in a small size array of quantum dots…

Quantum Physics · Physics 2022-03-03 Sanaa Abaach , Mustapha Faqir , Morad El Baz

The collective motion of a finite nuclear system is investigated by numerical simulation and by linear response theory. Using a pseudo-particle simulation technique we analyze the giant resonances with a multipole decomposition scheme. We…

Nuclear Theory · Physics 2007-05-23 Klaus Morawetz , Uwe Fuhrmann , Rainer Walke

Pump-probe experiments have turned out as a powerful tool in order to study the dynamics of competing orders in a large variety of materials. The corresponding analysis of the data often relies on standard linear-response theory generalized…

Strongly Correlated Electrons · Physics 2018-01-03 Jörg Bünemann , Götz Seibold

The understanding of the fusion probability is of particular importance to reveal the mechanism of producing superheavy elements. We present a microscopic study of the compound nucleus formation by combining time-dependent density…

Nuclear Theory · Physics 2022-07-27 Xiang-Xiang Sun , Lu Guo

We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes and $N$=20, 28, 50 and 82 isotones using density-dependent pairing interactions recently derived from a microscopic nucleon-nucleon…

Nuclear Theory · Physics 2008-11-26 J. Margueron , H. Sagawa , K. Hagino