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When a supernova explodes, most of its energy is released in a shell of relativistic neutirnos which changes the surrounding geometry. We calculate the potentially observable responses to such a change in both pulsar scintillation and…

High Energy Astrophysical Phenomena · Physics 2017-09-20 Darsh Kodwani , Ue-Li Pen , I-Sheng Yang

In this talk, we report results of our recent studies to delineate effects of the tensor force on the density dependence of nuclear symmetry energy within phenomenological models. The tensor force active in the isosinglet neutron-proton…

Nuclear Theory · Physics 2015-06-05 Chang Xu , Ang Li , Bao-An Li

The presence of pairing correlations within the time-dependent density functional theory (TDDFT) extension to superfluid systems, is tantamount to the presence of a quantum collision integral in the evolution equations, which leads to an…

Nuclear Theory · Physics 2024-06-24 Aurel Bulgac , Matthew Kafker , Ibrahim Abdurrahman , Ionel Stetcu

We have examined the influence of rotation on the potential energy and the transport coefficients of the collective motion (friction and mass coefficients). For axially symmetric deformation of nucleus Th-224 we have found that at…

Nuclear Theory · Physics 2009-11-07 F. A. Ivanyuk , S. Yamaji

From numerical simulations it is known that the barrier-crossing time of a non-Markovian one-dimensional reaction coordinate with a single exponentially decaying memory function exhibits a memory-turnover: for intermediate values of the…

Statistical Mechanics · Physics 2026-01-16 Roland R. Netz

We study the emergence of quantum memory effects in a spin-boson system at finite temperature driven by an external time-periodic force. Quantifying memory effects by the trace-distance based measure for non-Markovianity and performing…

Quantum Physics · Physics 2026-02-05 Pietro Follia , Bassano Vacchini , Heinz-Peter Breuer

The short-range and tensor components of the bare nucleon-nucleon interaction induce a sizeable depletion of low momenta in the ground state of a nuclear many-body system. The self-consistent Green's function method within the ladder…

Nuclear Theory · Physics 2014-11-18 A. Rios , A. Polls , W. H. Dickhoff

The nuclear medium effects in the nuclear structure functions and differential cross sections in the deep inelastic scattering (DIS) of charged lepton and neutrino from nuclear targets are studied in the region of large $x$ including $x\ge…

High Energy Physics - Phenomenology · Physics 2022-05-18 M. Sajjad Athar , S. K. Singh , F. Zaidi

We study the relaxation times for a parabolic differential equation whose solution represents the atom dislocation in a crystal. The equation that we consider comprises the classical Peierls-Nabarro model as a particular case, and it allows…

Analysis of PDEs · Mathematics 2016-03-02 Stefania Patrizi , Enrico Valdinoci

Rapid rebinding of molecular interaction partners that are in close proximity after dissociation leads to a dissociation and association kinetics that can profoundly differ from predictions based on bulk reaction models. The cause of this…

Quantitative Methods · Quantitative Biology 2015-04-30 Thorsten Prüstel , Martin Meier-Schellersheim

The calculations of the potential energy surface are essential in the theoretical description of the fission process. In the constrained self-consistent approach, the smooth evolution of nuclear shape is described from the ground state…

Nuclear Theory · Physics 2021-12-15 R. Han , M. Warda , A. Zdeb , L. M. Robledo

Upon increasing significantly the nuclear elongation, the beta-decay energy grows. This paper investigates within a simple yet partly microscopic approach, the transition rate of the beta decay of the 252Cf nucleus on the way to scission…

Nuclear Theory · Physics 2015-01-13 K. Pomorski , B. Nerlo-Pomorska , P. Quentin

We consider the effects of memory on the stationary behavior of a two-dimensional Langevin dynamics in a confining potential. The system is treated in an overdamped approximation and the degrees of freedom are under the influence of…

Statistical Mechanics · Physics 2020-01-29 Eduardo dos S. Nascimento , Welles A. M. Morgado

The nuclear level densities and level-density parameters in fissioning nuclei at their saddle points of fission barriers - $a_{f}$, as well as those for neutron - $a_{n}$, proton - $a_{p}$ , and $\alpha$-particle - $a_{\alpha}$ emission…

Nuclear Theory · Physics 2021-08-31 A. Rahmatinejad , T. M. Shneidman , G. Adamian , N. V. Antonenko , P. Jachimowicz , M. Kowal

We discuss calculation of nuclear corrections to the structure functions for the deep-inelastic scattering of muon and (anti)neutrino. Our approach includes a QCD description of the nucleon structure functions as well as the treatment of…

Nuclear Theory · Physics 2014-11-18 S. A. Kulagin , R. Petti

It is challenging to distinguish between fusion-fission and quasifission experimentally. To determine the characteristics of quasifission processes associated with dominant phenomena in heavy-ion collisions is important for estimating…

Nuclear Theory · Physics 2023-10-12 S. Amano , Y. Aritomo , M. Ohta

We numerically investigate a crucial parameter for understanding particle acceleration theory via turbulence-induced magnetic reconnection: the particle acceleration time. We examine particles accelerated either during the jet's dynamic…

High Energy Astrophysical Phenomena · Physics 2026-05-20 Elisabete M. de Gouveia Dal Pino , Tania E. Medina-Torrejon

In this work we investigate the effect of curved spacetime on neutrino oscillation. In a curved spacetime, the effect of curvature on fermionic fields is represented by spin connection. The spin connection consists of a non-universal…

High Energy Physics - Phenomenology · Physics 2025-01-03 Papia Panda , Dinesh Kumar Singha , Monojit Ghosh , Rukmani Mohanta

Fission of atomic nuclei often produces mass asymmetric fragments. However, the origin of this asymmetry was believed to be different in actinides and in the sub-lead region [A. Andreyev {\it et al.}, Phys. Rev. Lett. {\bf 105}, 252502…

Nuclear Theory · Physics 2019-11-06 Guillaume Scamps , Cédric Simenel

In this work, we study non-Markovian electronic plasma diffusion from a classical point of view, taking into account the effects of the radiation reaction force. The electron Brownian motion is described by a Generalized Langevin Equation…