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Journal Articles

Time evolutions of information entropies in a one-dimensional Vlasov–Poisson system

FeaturedOpen Access
K. Maekaku, H. Sugama, T.-H. Watanabe
Journal: Physics of Plasmas
Phys. Plasmas 31, 102101 (2024)
https://doi.org/10.1063/5.0227622
Published: October 2024
View articletitled, Time evolutions of information entropies in a one-dimensional Vlasov–Poisson system
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Journal Articles

Energy exchange between electrons and ions in ion temperature gradient turbulence

Editor’s PickOpen Access
T. Kato, H. Sugama, T.-H. Watanabe, M. Nunami
Journal: Physics of Plasmas
Phys. Plasmas 31, 062510 (2024)
https://doi.org/10.1063/5.0204022
Published: June 2024
View articletitled, Energy exchange between electrons and ions in ion temperature gradient turbulence
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Journal Articles

Local momentum balance in electromagnetic gyrokinetic systems

Open Access
H. Sugama
Journal: Physics of Plasmas
Phys. Plasmas 31, 042303 (2024)
https://doi.org/10.1063/5.0192513
Published: April 2024
View articletitled, Local momentum balance in electromagnetic gyrokinetic systems
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Journal Articles

Improved prediction scheme for ion heat turbulent transport

Editor’s PickAvailable to Purchase
M. Nunami, S. Toda, M. Nakata, H. Sugama
Journal: Physics of Plasmas
Phys. Plasmas 29, 102505 (2022)
https://doi.org/10.1063/5.0103447
Published: October 2022
View articletitled, Improved prediction scheme for ion heat turbulent transport
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Journal Articles

Polarization and magnetization in collisional and turbulent transport processes

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H. Sugama, S. Matsuoka, M. Nunami
Journal: Physics of Plasmas
Phys. Plasmas 29, 052509 (2022)
https://doi.org/10.1063/5.0080636
Published: May 2022
View articletitled, Polarization and magnetization in collisional and turbulent transport processes
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Journal Articles

Neoclassical transport simulations with an improved model collision operator

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S. Matsuoka, H. Sugama, Y. Idomura
Journal: Physics of Plasmas
Phys. Plasmas 28, 064501 (2021)
https://doi.org/10.1063/5.0047204
Published: June 2021
View articletitled, Neoclassical transport simulations with an improved model collision operator
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Journal Articles

The Eulerian variational formulation of the gyrokinetic system in general spatial coordinates

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H. Sugama, S. Matsuoka, M. Nunami, S. Satake
Journal: Physics of Plasmas
Phys. Plasmas 28, 022312 (2021)
https://doi.org/10.1063/5.0027905
Published: February 2021
View articletitled, The Eulerian variational formulation of the gyrokinetic system in general spatial coordinates
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Journal Articles

Gyrokinetic simulations for turbulent transport of multi-ion-species plasmas in helical systems

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M. Nunami, M. Nakata, S. Toda, H. Sugama
Journal: Physics of Plasmas
Phys. Plasmas 27, 052501 (2020)
https://doi.org/10.1063/1.5142405
Published: May 2020
View articletitled, Gyrokinetic simulations for turbulent transport of multi-ion-species plasmas in helical systems
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Journal Articles

Improved linearized model collision operator for the highly collisional regime

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H. Sugama, S. Matsuoka, S. Satake, M. Nunami, T.-H. Watanabe
Journal: Physics of Plasmas
Phys. Plasmas 26, 102108 (2019)
https://doi.org/10.1063/1.5115440
Published: October 2019
View articletitled, Improved linearized model collision operator for the highly collisional regime
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Journal Articles

Modeling of turbulent particle and heat transport in helical plasmas based on gyrokinetic analysis

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S. Toda, M. Nakata, M. Nunami, A. Ishizawa, T.-H. Watanabe, H. Sugama
Journal: Physics of Plasmas
Phys. Plasmas 26, 012510 (2019)
https://doi.org/10.1063/1.5058720
Published: January 2019
View articletitled, Modeling of turbulent particle and heat transport in helical plasmas based on gyrokinetic analysis
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Journal Articles

Eulerian variational formulations and momentum conservation laws for kinetic plasma systems

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H. Sugama, M. Nunami, S. Satake, T.-H. Watanabe
Journal: Physics of Plasmas
Phys. Plasmas 25, 102506 (2018)
https://doi.org/10.1063/1.5031155
Published: October 2018
View articletitled, Eulerian variational formulations and momentum conservation laws for kinetic plasma systems
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Journal Articles

Benchmark of the local drift-kinetic models for neoclassical transport simulation in helical plasmas

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B. Huang, S. Satake, R. Kanno, H. Sugama, S. Matsuoka
Journal: Physics of Plasmas
Phys. Plasmas 24, 022503 (2017)
https://doi.org/10.1063/1.4975611
Published: February 2017
View articletitled, Benchmark of the local drift-kinetic models for neoclassical transport simulation in helical plasmas
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Journal Articles

Conservation laws for collisional and turbulent transport processes in toroidal plasmas with large mean flows

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H. Sugama, M. Nunami, M. Nakata, T.-H. Watanabe
Journal: Physics of Plasmas
Phys. Plasmas 24, 020701 (2017)
https://doi.org/10.1063/1.4975075
Published: February 2017
View articletitled, Conservation laws for collisional and turbulent transport processes in toroidal plasmas with large mean flows
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Journal Articles

Radially local approximation of the drift kinetic equation

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H. Sugama, S. Matsuoka, S. Satake, R. Kanno
Journal: Physics of Plasmas
Phys. Plasmas 23, 042502 (2016)
https://doi.org/10.1063/1.4945618
Published: April 2016
View articletitled, Radially local approximation of the drift kinetic equation
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Journal Articles

Effects of collisions on conservation laws in gyrokinetic field theory

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H. Sugama, T.-H. Watanabe, M. Nunami
Journal: Physics of Plasmas
Phys. Plasmas 22, 082306 (2015)
https://doi.org/10.1063/1.4928378
Published: August 2015
View articletitled, Effects of collisions on conservation laws in gyrokinetic field theory
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Journal Articles

Flux tube train model for local turbulence simulation of toroidal plasmas

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T.-H. Watanabe, H. Sugama, A. Ishizawa, M. Nunami
Journal: Physics of Plasmas
Phys. Plasmas 22, 022507 (2015)
https://doi.org/10.1063/1.4907793
Published: February 2015
View articletitled, Flux tube train model for local turbulence simulation of toroidal plasmas
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Journal Articles

Verification of gyrokinetic microstability codes with an LHD configuration

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D. R. Mikkelsen, M. Nunami, T.-H. Watanabe, H. Sugama, K. Tanaka
Journal: Physics of Plasmas
Phys. Plasmas 21, 112305 (2014)
https://doi.org/10.1063/1.4902124
Published: November 2014
View articletitled, Verification of gyrokinetic microstability codes with an LHD configuration
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Journal Articles

Quasilinear carbon transport in an impurity hole plasma in LHD

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D. R. Mikkelsen, K. Tanaka, M. Nunami, T.-H. Watanabe, H. Sugama, M. Yoshinuma, K. Ida, Y. Suzuki, M. Goto, S. Morita, B. Wieland, I. Yamada, R. Yasuhara, T. Tokuzawa, T. Akiyama, N. A. Pablant
Journal: Physics of Plasmas
Phys. Plasmas 21, 082302 (2014)
https://doi.org/10.1063/1.4890973
Published: August 2014
View articletitled, Quasilinear carbon transport in an impurity hole plasma in LHD
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Journal Articles

Electromagnetic gyrokinetic turbulence in finite-beta helical plasmas

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A. Ishizawa, T.-H. Watanabe, H. Sugama, S. Maeyama, N. Nakajima
Journal: Physics of Plasmas
Phys. Plasmas 21, 055905 (2014)
https://doi.org/10.1063/1.4876960
Published: May 2014
View articletitled, Electromagnetic gyrokinetic turbulence in finite-beta helical plasmas
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Journal Articles

Extended gyrokinetic field theory for time-dependent magnetic confinement fields

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H. Sugama, T.-H. Watanabe, M. Nunami
Journal: Physics of Plasmas
Phys. Plasmas 21, 012515 (2014)
https://doi.org/10.1063/1.4863426
Published: January 2014
View articletitled, Extended gyrokinetic field theory for time-dependent magnetic confinement fields
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