Lagrangian and Hamiltonian constraints for guiding-center Hamiltonian theories
Abstract
In this paper, a consistent guiding-center Hamiltonian theory is derived by Lie-transform perturbation method, with terms up to second order in magnetic-field nonuniformity. Consistency is demonstrated by showing that the guiding-center transformation presented here satisfies separate Jacobian and Lagrangian constraints that have not been explored before. A new first-order term appearing in the guiding-center phase-space Lagrangian is identified through a calculation of the guiding-center polarization. It is shown that this new polarization term also yields a simpler expression of the guiding-center toroidal canonical momentum, which satisfies an exact conservation law in axisymmetric magnetic geometries. Finally, an application of the guiding-center Lagrangian constraint on the guiding-center Hamiltonian yields a natural interpretation for its higher-order corrections.
- Authors:
-
- Max-Planck-Institut fur Plasmaphysik, Garching (Germany)
- Saint Michael's College, Colchester, VT (United States)
- Publication Date:
- Research Org.:
- Saint Michael's College, Colchester, VT (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1469664
- Alternate Identifier(s):
- OSTI ID: 1226664
- Grant/Contract Number:
- SC0006721
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 22; Journal Issue: 11; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Tronko, Natalia, and Brizard, Alain J. Lagrangian and Hamiltonian constraints for guiding-center Hamiltonian theories. United States: N. p., 2015.
Web. doi:10.1063/1.4935925.
Tronko, Natalia, & Brizard, Alain J. Lagrangian and Hamiltonian constraints for guiding-center Hamiltonian theories. United States. https://doi.org/10.1063/1.4935925
Tronko, Natalia, and Brizard, Alain J. Thu .
"Lagrangian and Hamiltonian constraints for guiding-center Hamiltonian theories". United States. https://doi.org/10.1063/1.4935925. https://www.osti.gov/servlets/purl/1469664.
@article{osti_1469664,
title = {Lagrangian and Hamiltonian constraints for guiding-center Hamiltonian theories},
author = {Tronko, Natalia and Brizard, Alain J.},
abstractNote = {In this paper, a consistent guiding-center Hamiltonian theory is derived by Lie-transform perturbation method, with terms up to second order in magnetic-field nonuniformity. Consistency is demonstrated by showing that the guiding-center transformation presented here satisfies separate Jacobian and Lagrangian constraints that have not been explored before. A new first-order term appearing in the guiding-center phase-space Lagrangian is identified through a calculation of the guiding-center polarization. It is shown that this new polarization term also yields a simpler expression of the guiding-center toroidal canonical momentum, which satisfies an exact conservation law in axisymmetric magnetic geometries. Finally, an application of the guiding-center Lagrangian constraint on the guiding-center Hamiltonian yields a natural interpretation for its higher-order corrections.},
doi = {10.1063/1.4935925},
journal = {Physics of Plasmas},
number = 11,
volume = 22,
place = {United States},
year = {Thu Nov 19 00:00:00 EST 2015},
month = {Thu Nov 19 00:00:00 EST 2015}
}
Web of Science
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Works referencing / citing this record:
Second-order nonlinear gyrokinetic theory: from the particle to the gyrocentre
journal, June 2018
- Tronko, Natalia; Chandre, Cristel
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Second order gyrokinetic theory for particle-in-cell codes
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Verification of Gyrokinetic codes: Theoretical background and applications
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Gyrokinetics from variational averaging: Existence and error bounds
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Hierarchy of second order gyrokinetic Hamiltonian models for particle-in-cell codes
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Second order Gyrokinetic theory for Particle-In-Cell codes
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Hierarchy of second-order gyrokinetic Hamiltonian models for particle-in-cell codes
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- Tronko, Natalia; Bottino, A.; Chandre, Cristel
- arXiv
Verification of Gyrokinetic codes: theoretical background and applications
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Gyrokinetics from variational averaging: existence and error bounds
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- arXiv
Second-order nonlinear gyrokinetic theory: from the particle to the gyrocentre
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Hierarchy of second order gyrokinetic Hamiltonian models for particle-in-cell codes
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Verification of Gyrokinetic codes: theoretical background and applications
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