Zobrazeno 1 - 10
of 4 197
pro vyhledávání: '"Oliveira, P. R. P."'
Autor:
de Melo, Fernando, Carvalho, Gabriel Dias, Correia, Pedro S., Obando, Paola Concha, de Oliveira, Thiago R., Vallejos, Raúl O.
Quantum mechanics started out as a theory to describe the smallest scales of energy in Nature. After hundred years of development it is now routinely employed to describe, for example, quantum computers with thousands of qubits. This tremendous progr
Externí odkaz:
http://arxiv.org/abs/2411.07327
Autor:
Oliveira, R. R. S.
In this comment, we obtain the complete energy levels for Dvornikov's paper, that is, the energy levels dependent on two quantum numbers, namely, the radial quantum number (given by $N$) and the angular quantum number (given by $J_z$). In particular,
Externí odkaz:
http://arxiv.org/abs/2411.04338
Autor:
Oliveira, R. R. S.
In this paper, we determine the relativistic bound-state solutions for the charged (DO) Dirac oscillator in a rotating frame in the Bonnor-Melvin-Lambda spacetime in $(2+1)$-dimensions, where such solutions are given by the two-component Dirac spinor
Externí odkaz:
http://arxiv.org/abs/2410.17535
Autor:
Passos, M. R., de Oliveira, Thiago R.
Understanding how macroscopic systems exhibit irreversible thermal behavior has been a long-standing challenge, first brought to prominence by Boltzmann. Recent advances have established rigorous conditions for isolated quantum systems to equilibrate
Externí odkaz:
http://arxiv.org/abs/2410.07429
In this work we introduce an idempotent pressure to level-2 functions and its associated density entropy. All this is related to idempotent pressure functions which is the natural concept that corresponds to the meaning of probability in the level-2
Externí odkaz:
http://arxiv.org/abs/2409.19203
Federated Learning (FL) allows devices to train a global machine learning model without sharing data. In the context of wireless networks, the inherently unreliable nature of the transmission channel introduces delays and errors that compromise the r
Externí odkaz:
http://arxiv.org/abs/2408.01286
Autor:
Oliveira, R. R. S.
Publikováno v:
Phys. Lett. B 856 (2024) 138888
In this comment, we point out a series of errors made by Senjaya in your paper (2024) \cite{Senjaya}. In particular, these errors involved the Dirac equation in the 3+1 dimensional Schwarzschild spacetime, tetrad field, curved gamma matrices, and the
Externí odkaz:
http://arxiv.org/abs/2407.18790
Autor:
Xiang, C., de Oliveira, E. R. Cardozo, Sandeep, S., Papatryfonos, K., Morassi, M., Gratiet, L. Le, Harouri, A., Sagnes, I., Lemaitre, A., Ortiz, O., Esmann, M., Lanzillotti-Kimura, N. D.
The generation of propagating acoustic waves is essential for telecommunication applications, quantum technologies, and sensing. Up to now, the electrical generation has been at the core of most implementations, but is technologically limited to a fe
Externí odkaz:
http://arxiv.org/abs/2407.06821
Autor:
Oliveira, Elismar R.
We investigate the set of invariant idempotent probabilities for countable idempotent iterated function systems (IFS) defined in compact metric spaces. We demonstrate that, with constant weights, there exists a unique invariant idempotent probability
Externí odkaz:
http://arxiv.org/abs/2407.05223
We will consider a family of cellular automata $\Phi: \{1,2,...,r\}^\mathbb{N}\circlearrowright$ that are not of algebraic type. Our first goal is to determine conditions that result in the identification of probabilities that are at the same time $\
Externí odkaz:
http://arxiv.org/abs/2407.04658