F. A. Marcus, Roberto, M., Caldas, I. L., Rosalem, K. C., and Elskens, Y., “Influence of the radial electric field on the shearless transport barriers in tokamaks”, Physics of Plasmas, vol. 26, no. 2, p. 022302, 2019.

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M. C. de Sousa, Doveil, F., Elskens, Y., and Caldas, I. L., “Wave–particle interactions in a long traveling wave tube with upgraded helix”, Physics of Plasmas, vol. 27, no. 9, p. 093108, 2020.

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J. V. Gomes, de Sousa, M. C., Viana, R. L., Caldas, I. L., and Elskens, Y., “Low-dimensional chaos in the single wave model for self-consistent wave–particle Hamiltonian”, Chaos: An Interdisciplinary Journal of Nonlinear Science, vol. 31, no. 8, p. 083104, 2021.

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L. A. Osorio, Roberto, M., Caldas, I. L., Viana, R. L., and Elskens, Y., “Onset of internal transport barriers in tokamaks”, Physics of Plasmas, vol. 28, no. 8, p. 082305, 2021.

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G. Grime, Roberto, M., Viana, R. L., Elskens, Y., and Caldas, I. L., “Biquadratic nontwist map: a model for shearless bifurcations”, Chaos, Solitons & Fractals, vol. 169, p. 113231, 2023.

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L. A. Osorio-Quiroga, Grime, G. C., Roberto, M., Viana, R. L., Elskens, Y., and Caldas, I. L., “ExB Drift Particle Transport in Tokamaks”, Brazilian Journal of Physics, vol. 53, 2023.

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L. C. Souza, Mathias, A. C., Caldas, I. L., Elskens, Y., and Viana, R. L., “Fractal and Wada escape basins in the chaotic particle drift motion in tokamaks with electrostatic fluctuations”, Chaos: An Interdisciplinary Journal of Nonlinear Science, vol. 33, no. 8, 2023.

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L. A. Osorio-Quiroga, Roberto, M., Caldas, I. L., Viana, R. L., and Elskens, Y., “Shaping the edge radial electric field to create shearless transport barriers in tokamaks”, Fundamental Plasma Physics, vol. 6, p. 100023, 2023.

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G. C. Grime, Roberto, M., Viana, R. L., Elskens, Y., and Caldas, I. L., “Shearless bifurcations in particle transport for reversed-shear tokamaks”, Journal of Plasma Physics, vol. 89447, no. 1, 2023.

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A. F. Bósio, Caldas, I. L., Viana, R. L., and Elskens, Y., “Identifying ballistic modes via Poincaré sections”, Communications in Nonlinear Science and Numerical Simulation, vol. 145, p. 108722, 2025.

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