Transport Barriers in Symplectic Maps
Abstract
Chaotic transport is a subject of paramount importance in a variety of problems in plasma physics, specially those related to anomalous transport and turbulence. On the other hand, a great deal of information on chaotic transport can be obtained from simple dynamical systems like two-dimensional area-preserving (symplectic) maps, where powerful mathematical results like KAM theory are available. In this work we review recent works on transport barriers in area-preserving maps, focusing on systems which do not obey the so-called twist property. For such systems KAM theory no longer holds everywhere and novel dynamical features show up as nonresistive reconnection, shearless curves and shearless bifurcations. After presenting some general features using a standard nontwist mapping, we consider magnetic field line maps for magnetically confined plasmas in tokamaks.
- Authors:
-
- Universidade Federal do Parana, Parana (Brazil). Departamento de Fisica
- Univ. of Sao Paulo (Brazil). Instituto de Fısica. Departamento de Fısica Aplicada
- Universidade Estadual de Ponta Grossa, Ponta Grossa, Parana (Brazil). Departamento de Matematica e Estatıstica
- Universidade Estadual de Ponta Grossa, Ponta Grossa, Parana (Brazil). Departamento de Matematica e Estatıstica
- Universidade Federal de Goias, Goias (Brazil)
- Universidade de Brasılia, Brasılia (Brazil). Instituto de Fısica
- Univ. of Texas, Austin, TX (United States). Dept. of Physics
- Publication Date:
- Research Org.:
- Univ. of Texas, Austin, TX (United States)
- Sponsoring Org.:
- USDOE; FAPESP
- OSTI Identifier:
- 1850237
- Grant/Contract Number:
- FG05-80ET53088; 2018/03211-6
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Brazilian Journal of Physics
- Additional Journal Information:
- Journal Volume: 51; Journal Issue: 3; Journal ID: ISSN 0103-9733
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Physics
Citation Formats
Viana, R. L., Caldas, I. L., Szezech, J. D., Batista, A. M., Abud, C. V., Schelin, A. B., Mugnaine, M., Santos, M. S., Leal, B. B., Bartoloni, B., Mathias, A. C., Gomes, J. V., and Morrison, P. J. Transport Barriers in Symplectic Maps. United States: N. p., 2021.
Web. doi:10.1007/s13538-021-00894-8.
Viana, R. L., Caldas, I. L., Szezech, J. D., Batista, A. M., Abud, C. V., Schelin, A. B., Mugnaine, M., Santos, M. S., Leal, B. B., Bartoloni, B., Mathias, A. C., Gomes, J. V., & Morrison, P. J. Transport Barriers in Symplectic Maps. United States. https://doi.org/10.1007/s13538-021-00894-8
Viana, R. L., Caldas, I. L., Szezech, J. D., Batista, A. M., Abud, C. V., Schelin, A. B., Mugnaine, M., Santos, M. S., Leal, B. B., Bartoloni, B., Mathias, A. C., Gomes, J. V., and Morrison, P. J. Wed .
"Transport Barriers in Symplectic Maps". United States. https://doi.org/10.1007/s13538-021-00894-8. https://www.osti.gov/servlets/purl/1850237.
@article{osti_1850237,
title = {Transport Barriers in Symplectic Maps},
author = {Viana, R. L. and Caldas, I. L. and Szezech, J. D. and Batista, A. M. and Abud, C. V. and Schelin, A. B. and Mugnaine, M. and Santos, M. S. and Leal, B. B. and Bartoloni, B. and Mathias, A. C. and Gomes, J. V. and Morrison, P. J.},
abstractNote = {Chaotic transport is a subject of paramount importance in a variety of problems in plasma physics, specially those related to anomalous transport and turbulence. On the other hand, a great deal of information on chaotic transport can be obtained from simple dynamical systems like two-dimensional area-preserving (symplectic) maps, where powerful mathematical results like KAM theory are available. In this work we review recent works on transport barriers in area-preserving maps, focusing on systems which do not obey the so-called twist property. For such systems KAM theory no longer holds everywhere and novel dynamical features show up as nonresistive reconnection, shearless curves and shearless bifurcations. After presenting some general features using a standard nontwist mapping, we consider magnetic field line maps for magnetically confined plasmas in tokamaks.},
doi = {10.1007/s13538-021-00894-8},
journal = {Brazilian Journal of Physics},
number = 3,
volume = 51,
place = {United States},
year = {Wed Apr 07 00:00:00 EDT 2021},
month = {Wed Apr 07 00:00:00 EDT 2021}
}
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