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pro vyhledávání: '"Barata J"'
Autor:
Raszeja, T., Barata, J. C. A.
We extended the notion of Newton-Wigner localization, already constructed in the bi-dimensional de Sitter space, to the tri-dimensional case for both principal and complementary series. We identify the one-particle subspace, generated by the positive
Externí odkaz:
http://arxiv.org/abs/2404.18026
Recent works have proposed the use of the formalism of Positive Operator Valued Measures to describe time measurements in quantum mechanics. This work aims to expand on the work done by other authors, by generalizing the previously proposed construct
Externí odkaz:
http://arxiv.org/abs/2310.20074
We present a review on the notion of pure states and mixtures as mathematical concepts that apply for both classical and quantum physical theories, as well as for any other theory depending on statistical description. Here, states will be presented a
Externí odkaz:
http://arxiv.org/abs/1909.06232
Publikováno v:
Repositório Institucional da UFRNUniversidade Federal do Rio Grande do NorteUFRN.
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Externí odkaz:
https://repositorio.ufrn.br/jspui/handle/123456789/24780
Akademický článek
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Autor:
Oduber, F., Calvo, A.I., Castro, A., Alves, C., Blanco-Alegre, C., Fernández-González, D., Barata, J., Calzolai, G., Nava, S., Lucarelli, F., Nunes, T., Rodríguez, A., Vega-Maray, A.M., Valencia-Barrera, R.M., Fraile, R.
Publikováno v:
In Atmospheric Research 1 April 2021 251
Autor:
Oduber, F., Calvo, A.I., Castro, A., Blanco-Alegre, C., Alves, C., Barata, J., Nunes, T., Lucarelli, F., Nava, S., Calzolai, G., Cerqueira, M., Martín-Villacorta, J., Esteves, V., Fraile, R.
Publikováno v:
In Science of the Total Environment 10 September 2020 734
Autor:
Scheerer, G. W., Knafo, W., Aoki, D., Nardone, M., Zitouni, A., Béard, J., Billette, J., Barata, J., Jaudet, C., Suleiman, M., Frings, P., Drigo, L., Audouard, A., Matsuda, T. D., Pourret, A., Knebel, G., Flouquet, J.
Publikováno v:
Phys. Rev. B 89, 165107 (2014)
We present measurements of the resistivity $\rho_{x,x}$ of URu2Si2 high-quality single crystals in pulsed high magnetic fields up to 81~T at a temperature of 1.4~K and up to 60~T at temperatures down to 100~mK. For a field \textbf{H} applied along th
Externí odkaz:
http://arxiv.org/abs/1311.0812
Autor:
Pushpa, K., Barata, J. C. A.
Publikováno v:
Int. J. Geom. Methods Mod. Phys. 12, 1550029 (2015)
Using octonions, more specifically, using a 4 x 4 matrix representation of octonions obtained with the help of algebraic properties of quaternions, we obtain the fully symmetric Maxwell's equations (Maxwell's equations with electric and magnetic char
Externí odkaz:
http://arxiv.org/abs/1310.3807
Autor:
Barata, J. C. A., Hussein, M. S.
In the last decades the Moore-Penrose pseudoinverse has found a wide range of applications in many areas of Science and became a useful tool for physicists dealing, for instance, with optimization problems, with data analysis, with the solution of li
Externí odkaz:
http://arxiv.org/abs/1110.6882