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Article
Physics, Multidisciplinary
F. J. L. de Almeida et al.
Summary: Astronomers often encounter randomness in their work, such as from stars and radio telescopes. However, random distribution of stars in astronomical images can make it more challenging to identify important structures. In this study, researchers demonstrate three applications of disentropy of the autocorrelation in astronomy. They calculate the randomness of cosmic microwave background maps, develop an algorithm to remove parts of images with high randomness, and use the disentropy to analyze the randomness of a radio pulsar signal. The relative disentropy is also employed to determine the parameters of the probability density function of a pulsar's flux density.
EUROPEAN PHYSICAL JOURNAL PLUS
(2023)
Article
Physics, Multidisciplinary
Xiang Zhou
Summary: This paper presents relations between observational entropy and other measures based on Tsallis-q entropy. For two-qubit pure states, relations between observational entropy and Tsallis-q entanglement through some monotone function are given and generalized to the two-qubit mixed state for some range of q. The relations between observational entropy and Tsallis-q entanglement of Assistance (TEoA) for some range of q in the case of mixed states are also studied. An estimate of the mean observational entropy of a pure state through the TEoA of a two-qubit mixed state is determined. The results of this paper reveal the relations between a non-entanglement measure (observational entropy) and an entanglement measure (Tsallis-q entanglement and TEoA).
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
(2023)
Article
Engineering, Electrical & Electronic
R. Ramos
Summary: This paper investigates the analytical solutions to some problems in nanoelectronics, including the pull in point of a microactuator, the space charge limited current in a nanowire, and the displacement of a plate in a nanoelectromechanical device caused by the Casimir force. These analytical solutions are simple and provide a better understanding of the role of physical parameters.
JOURNAL OF COMPUTATIONAL ELECTRONICS
(2022)
Article
Engineering, Electrical & Electronic
V. F. Guedes et al.
Summary: This paper demonstrates the application of the Lambert-Tsallis Wq function in solving problems related to different models of SCLC. It provides useful mathematical tools for device engineers studying charge transport in microelectronic and nanoelectronic devices.
IEEE TRANSACTIONS ON ELECTRON DEVICES
(2022)
Article
Physics, Multidisciplinary
Mauricio P. Pato
Summary: By representing each step of a random walk as a component of a random vector, a random walk model is created using a method for generating disordered random matrices. The study demonstrates that the disordered random walk lies between a Gaussian random walk and a correlated random walk with a heavy-tailed distribution.
BRAZILIAN JOURNAL OF PHYSICS
(2021)
Article
Physics, Multidisciplinary
G. B. da Silva et al.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2019)
Article
Physics, Multidisciplinary
J. L. M. da Silva et al.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2019)
Article
Optics
M. -O. Pleinert et al.
Article
Physics, Multidisciplinary
Diego Paiva Pires et al.
Article
Mathematics, Applied
Sueli I. R. Costa et al.
DISCRETE APPLIED MATHEMATICS
(2015)
Article
Optics
Diego Paiva Pires et al.
Article
Physics, Multidisciplinary
A. Hamadou-Ibrahim et al.
BRAZILIAN JOURNAL OF PHYSICS
(2009)
Article
Physics, Mathematical
XH Hu et al.
JOURNAL OF MATHEMATICAL PHYSICS
(2006)
Article
Computer Science, Interdisciplinary Applications
RV Ramos
JOURNAL OF COMPUTATIONAL PHYSICS
(2003)
Article
Physics, Multidisciplinary
J Batle et al.