Papers

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A
C. G. L. Martins, Roberto, M., Caldas, I. L., and Braga, F. L., “Analytical solutions for Tokamak equilibria with reversed toroidal current”, Physics of Plasmas, vol. 18, no. 8, p. 082508, 2011. (1.73 MB)
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F. A. Marcus, Kroetz, T., Roberto, M., Caldas, I. L., da Silva, E. C., Viana, R. L., and Guimarães-Filho, Z. O., “Chaotic transport in reversed shear tokamaks”, Nuclear Fusion, vol. 48, no. 2, p. 024018, 2008. (1.14 MB)
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C. G. L. Martins, Roberto, M., and Caldas, I. L., “Delineating the magnetic field line escape pattern and stickiness in a poloidally diverted tokamak”, Physics of Plasmas, vol. 21, no. 8, p. 082506, 2014. (3.83 MB)
M. Roberto, da Silva, E. C., Caldas, I. L., and Viana, R. L., “Derivation of an analytical area-preserving map to describe transport barriers in tokamaks”, Journal of Physics: Conference Series, vol. 7, pp. 163 - 173, 2005. (914.96 KB)
T. Kroetz, Roberto, M., Caldas, I. L., Viana, R. L., and Morrison, P. J., “Divertor map with freedom of geometry and safety factor profile”, Plasma Physics and Controlled Fusion, vol. 54, no. 4, p. 045007, 2012. (1.04 MB)
K. C. Rosalem, Roberto, M., and Caldas, I. L., “Drift-wave transport in the velocity shear layer”, Physics of Plasmas, vol. 23, no. 7, p. 072504, 2016. (4.8 MB)
I. L. Caldas, Viana, R. L., Guimarães-Filho, Z. O., Batista, A. Marcos, Lopes, S. R., Marcus, F. A., Roberto, M., Rosalem, K. C., Szezech, J. D., Toufen, D. L., Gentle, K. W., Nascimento, I. C., and Kuznetsov, Y. K., “Dynamical Effects in Confined Plasma Turbulence”, Brazilian Journal of Physics, vol. 44, no. 6, pp. 903 - 913, 2014. (12.48 MB)
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C. G. L. Martins, R. de Carvalho, E., Caldas, I. L., and Roberto, M., “Effect of robust torus on the dynamical transport”, Journal of Physics: Conference Series, vol. 246, p. 012005, 2010. (854.6 KB)
E. C. da Silva, Roberto, M., Caldas, I. L., and Viana, R. L., “Effects of the resonant modes on the magnetic footprint patterns in a tokamak wall”, Physics of Plasmas, vol. 13, no. 5, p. 052511, 2006. (857.83 KB)
T. Kroetz, Roberto, M., da Silva, E. C., Caldas, I. L., and Viana, R. L., “Escape patterns of chaotic magnetic field lines in a tokamak with reversed magnetic shear and an ergodic limiter”, Physics of Plasmas, vol. 15, no. 9, p. 092310, 2008. (2.17 MB)
E. C. da Silva, Roberto, M., PORTELA, J. S. E., Caldas, I. L., and Viana, R. L., “Escaping and transport barrier due to ergodic magnetic limiters in tokamaks with reversed magnetic shear”, Nuclear Fusion, vol. 46, no. 4, pp. S192 - S198, 2006. (1.21 MB)
F
R. L. Viana, da Silva, E. C., Kroetz, T., Caldas, I. L., Roberto, M., and Sanjuan, M. A. F., “Fractal structures in nonlinear plasma physics”, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 3691773812350583226118296176/7769456114450914151594551271906484214717293847122164165386667134315505162717123981448180, no. 193523525424, pp. 371 - 395, 2011. (3.76 MB)
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K. C. Rosalem, Roberto, M., and Caldas, I. L., “Influence of the electric and magnetic shears on tokamak transport”, Nuclear Fusion, vol. 54, no. 6, p. 064001, 2014. (505.19 KB)
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. (7.85 MB)
T. Kroetz, Roberto, M., Caldas, I. L., Viana, R. L., Morrison, P. J., and Abbamonte, P., “Integrable maps with non-trivial topology: application to divertor configurations”, Nuclear Fusion, vol. 50, no. 3, p. 034003, 2010. (1 MB)
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C. G. L. Martins, R. de Carvalho, E., Caldas, I. L., and Roberto, M., “Labyrinthic standard non-twist map”, Journal of Physics A: Mathematical and Theoretical, vol. 44, no. 4, p. 045102, 2011. (1.43 MB)
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C. G. L. Martins, Roberto, M., Caldas, I. L., and R. de Carvalho, E., “Magnetic Field Line Escape: Comparison with Mean Free Path”, Journal of Physics: Conference Series, vol. 285, p. 012012, 2011. (542.77 KB)
C. G. L. Martins, Roberto, M., and Caldas, I. L., “Magnetic Field Line Stickiness in Tokamaks”, IEEE Transactions on Plasma Science, vol. 42, no. 10, pp. 2764 - 2765, 2014. (344.83 KB)
M. Roberto, da Silva, E. C., Caldas, I. L., and Viana, R. L., “Magnetic trapping caused by resonant perturbations in tokamaks with reversed magnetic shear”, Physics of Plasmas, vol. 11, no. 1, pp. 214 - 225, 2004. (2.08 MB)
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M. Roberto, da Silva, E. C., Caldas, I. L., and Viana, R. L., “Non-twist field line mappings for tokamaks with reversed magnetic shear”, Brazilian Journal of Physics, vol. 34, no. 4b, pp. 1759 - 1765, 2004. (189.52 KB)
C. G. L. Martins, R. de Carvalho, E., Caldas, I. L., and Roberto, M., “The non-twist standard map with robust tori”, Journal of Physics A: Mathematical and Theoretical, vol. 43, no. 17, p. 175501, 2010. (732.31 KB)
I. L. Caldas, Viana, R. L., Szezech, J. D., PORTELA, J. S. E., da Fonseca, J. D., Roberto, M., Martins, C. G. L., and da Silva, E. J., “Nontwist symplectic maps in tokamaks”, Communications in Nonlinear Science and Numerical Simulation, vol. 17, no. 5, pp. 2021 - 2030, 2012. (2.08 MB)
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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. (4.8 MB)
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K. C. Rosalem, Roberto, M., and Caldas, I. L., “Particle transport induced by electrostatic wave fluctuations”, Journal of Physics: Conference Series, vol. 641, p. 012006, 2015. (1.32 MB)
C. G. L. Martins, R. de Carvalho, E., Caldas, I. L., and Roberto, M., “Plasma confinement in tokamaks with robust torus”, Physica A: Statistical Mechanics and its Applications, vol. 390, no. 5, pp. 957 - 962, 2011. (1011.53 KB)

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