Pleiades Publishing Ltd
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Advection of passive magnetic field by the Gaussian velocity field with finite correlations in time and spatial parity violation
Pleiades Publishing Ltd - Tập 44 - Trang 360-373 - 2013
Using the field theoretic renormalization group technique the model of passively
advected weak magnetic field by an incompressible isotropic helical turbulent
flow is investigated up to the second order of the perturbation theory (two-loop
approximation) in the framework of an extended Kazantsev-Kraichnan model of
kinematic magnetohydrodynamics. Statistical fluctuations of the velocity field
are t...
What One Can Learn by Studying Spectator Remnants in Central Nucleus–Nucleus Collisions?
Pleiades Publishing Ltd - Tập 53 - Trang 335-341 - 2022
In central collisions of heavy relativistic nuclei spectator matter is
represented by noninteracting nucleons from the nuclear periphery. In the
context of the AAMCC model based on the Glauber Monte Carlo model to determine
the volume of spectator matter and the models of the decay of excited spectator
matter from the Geant4 toolkit, it is shown that the yields of a certain number
of neutrons in c...
Lý thuyết hàm chức năng mật độ hạt nhân Dịch bởi AI
Pleiades Publishing Ltd - Tập 41 - Trang 868-873 - 2010
Sự hiểu biết về các hạt nhân nguyên tử là rất quan trọng cho một lý thuyết hạt
nhân hoàn chỉnh, cho vật lý hạt nhân thiên văn, cho việc thực hiện các nhiệm vụ
thí nghiệm mới, và cho nhiều ứng dụng khác nhau. Trong khuôn khổ lý thuyết hàm
chức năng mật độ, năng lượng liên kết tổng cộng của hạt nhân được biểu thị bởi
một hàm chức năng của các ma trận mật độ hạt nhân và các đạo hàm của chúng. Sự
biến...
#hạt nhân #lý thuyết hàm chức năng #năng lượng liên kết #mật độ hạt #mô hình vi mô
Collective Structures in 116Sb
Pleiades Publishing Ltd - Tập 53 - Trang 372-376 - 2022
The excited states of 116Sb have been studied using in-beam $$\gamma $$
-spectroscopy techniques with 115In( $$\alpha $$ , 3n) $$^{{116}}$$ Sb reaction
and Indian National Gamma Array (INGA) setup at VECC, Kolkata. Various
collective structures have been populated in the $$\alpha $$ -induced fusion
evaporation reaction. Two of the previously known bands based on ( $$\pi
{\text{g}}_{{9/2}}^{{ - 1}}...
Neutrino radiative decay in external field and medium
Pleiades Publishing Ltd - Tập 45 - Trang 397-408 - 2014
The current state of the theory of massive neutrino radiative decay is reviewed.
By extending our previous studies, we thoroughly analyze the process of
radiative decay of a massive Dirac neutrino in the strong external magnetic
field H ≫ H 0 = m 2 c 3 / eħ = 4.41 × 1013 G in the presence of medium
(degenerate electron gas), and calculate its probability. It is shown that, in
the presence of dense...
Holes: Theoretical prediction or fantasy?
Pleiades Publishing Ltd - Tập 37 - Trang 317-320 - 2006
This paper argues that black holes are not a strict consequence of general
relativity.
Exotic Nonlinear Supersymmetry and Integrable Systems
Pleiades Publishing Ltd - Tập 51 - Trang 583-588 - 2020
Peculiar properties of many classical and quantum systems can be related to, or
derived from those of a free particle. In this way we explain the appearance and
peculiarities of the exotic nonlinear Poincaré supersymmetry in reflectionless
and finite-gap quantum systems related to the Korteweg–de Vries equation. The
same approach is used to explain the origin and the nature of nonlinear
symmetries...
Separations of Variables and Analytic Contractions on Two-Dimensional Hyperboloids
Pleiades Publishing Ltd - Tập 50 - Trang 87-140 - 2019
In this review we present recent results in the field of analytical contraction
of Lie algebra in two-dimensional hyperbolic space. A complete geometric
description for all possible orthogonal and nonorthogonal (related to the first
order symmetries) systems of coordinates, which allow separation of variables of
two-dimensional Laplace–Beltrami or Helmholtz equation on the two-sheeted (upper
sheet...
Modeling type Ia supernovae and quark novae
Pleiades Publishing Ltd - Tập 46 - Trang 808-811 - 2015
Compact astrophysical objects can change their structure and composition in
combustion-like processes. In the case of white dwarfs, thermonuclear burning
can even lead to an explosion as a Type la supernova. We give a brief account of
the physical concepts of combustion and of methods to model this phenomenon in
large-scale numerical simulations. As examples for application we discuss
thermonuclea...
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