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Investigation of isospin forbidden 0+ → 0+ Fermi beta decays with Pyatov method
Open Physics - Tập 12 Số 11 - Trang 785-791 - 2014
Abdullah Engin Çalık
Abstract In the present work, the matrix elements, isospin impurities and log ft values of the isospin forbidden 0+ → 0+ beta decays have been investigated. The calculated results have been compared with available experimental and another theoretical data. The isotopic invariance of the Hamiltonian has been restored by Pyatov method. Within the quasi...... hiện toàn bộ
Measurement interpretation and information measures in general probabilistic theory
Open Physics - - 2013
Zhaoqi Wu, Chuanxi Zhu, Xiaozhi Zhang
Abstract The incompatibility of dynamics postulate (unitary evolution) and the measurement postulate (wave-packet collapse) of quantum mechanics has recently been solved by Zurek from an information transfer perspective. Luo gave his derivation by relaxing the repeatability postulate. In this paper, we reconsider Luo’s derivation in the setting of ge...... hiện toàn bộ
Unsteady nano-bioconvective channel flow with effect of nth order chemical reaction
Open Physics - Tập 18 Số 1 - Trang 1011-1024 - 2020
Md Faisal Md Basir, Kohilavani Naganthran, Ehtsham Azhar, Zaffar Mehmood, Swati Mukhopadhyay, Roslinda Nazar, Anuar Jamaludin, Dumitru Băleanu, Kottakkaran Sooppy Nisar, Ilyas Khan
Abstract Nanofluid bioconvective channel flow is an essential aspect of the recent healthcare industry applications, such as biomedical processing systems. Thus, the present work examined the influence of nth order chemical reaction in an unsteady nanofluid bioconvective channel flow in a horizontal microchannel with expanding...... hiện toàn bộ
Spinor model of a perfect fluid
Open Physics - Tập 8 Số 6 - 2010
Bijan Saha
AbstractDifferent characteristics of matter influencing the evolution of the uUniverse haves been simulated by means of a nonlinear spinor field. We have considered two cases where the spinor field nonlinearity occurs either as a result of self-action or due to the interaction with a scalar field.
Generalized model for the nonlinear dynamics of plasma waves driven unstable by energetic ions near the stability threshold
Open Physics - Tập 11 Số 11 - 2013
Grzegorz Galant
AbstractIn this paper, an attempt to develop the original single mode theory describing the nonlinear dynamics of a linearly unstable plasma wave, excited by the resonant interaction with energetic ions near the stability threshold to the case of n interacting plasma modes has been made. The effects of an energetic ion source and classical collisional processes rep...... hiện toàn bộ
Coherent states for Smorodinsky-Winternitz potentials
Open Physics - Tập 7 Số 4 - 2009
Necmettin Ünal
AbstractIn this study, we construct the coherent states for a particle in the Smorodinsky-Winternitz potentials, which are the generalizations of the two-dimensional harmonic oscillator problem. In the first case, we find the non-spreading wave packets by transforming the system into four oscillators in Cartesian, and also polar, coordinates. In the second case, th...... hiện toàn bộ
Chỉ số diện tích hấp thụ hiệu dụng của neutron nhiệt trong môi trường chứa các trung tâm hấp thụ mạnh hoặc yếu Dịch bởi AI
Open Physics - Tập 1 Số 2 - 2003
Krzysztof Drozdowicz, Barbara Gabańska, Andrzej Igielski, Ewa Krynicka, U. Woźnicka
Tóm tắtCấu trúc của một hệ thống không đồng nhất ảnh hưởng đến sự khuếch tán của neutron nhiệt. Bài báo xem xét sự hấp thụ neutron nhiệt trong môi trường dạng hạt. Một lý thuyết đơn giản được trình bày cho môi trường hai thành phần được coi như các hạt được nhúng trong ma trận hoặc là một hệ thống gồm hai loại hạt (có các diện tích hấp thụ rất khác nhau). Tham số h...... hiện toàn bộ
Multiaxis interferometric displacement measurement for local probe microscopy
Open Physics - - 2012
Josef Lazar, Jan Hrabina, Mojmı́r Šerý, Petr Klapetek, Ondřej Čı́p
AbstractWe present an overview of design approaches for nanometrology measuring setups with a focus on interferometry techniques and associated problems. The design and development of a positioning system with interferometric multiaxis monitoring and control is presented. The system is intended to operate as a national nanometrology standard combining local probe m...... hiện toàn bộ
Jet spaces in modern Hamiltonian biomechanics
Open Physics - - 2010
Tijana T. Ivancevic, Bojan Jovanović, Radomir S. Stanković, Slobodan Marković
AbstractIn this paper we propose the time-dependent Hamiltonian form of human biomechanics, as a sequel to our previous work in time-dependent Lagrangian biomechanics [1]. This is the time-dependent generalization of an ‘ordinary’ autonomous human biomechanics, in which total mechanical + biochemical energy is not conserved. In our view, this time-dependent energet...... hiện toàn bộ
Realizing actual feedback control of complex network
Open Physics - Tập 12 Số 6 - 2014
Chengyi Tu, Yuhua Cheng
AbstractIn this paper, we present the concept of feedbackability and how to identify the Minimum Feedbackability Set of an arbitrary complex directed network. Furthermore, we design an estimator and a feedback controller accessing one MFS to realize actual feedback control, i.e. control the system to our desired state according to the estimated system internal stat...... hiện toàn bộ
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