Howes, G. G., Cowley, S. C., Dorland, W., Hammett, G. W., Quataert, E., Schekochihin, A. A., ...
Howes et al. Reply to Comment on "Kinetic Simulations of Magnetized Turbulence in Astrophysical Plasmas" arXiv:0711.4355
Nonlinear phase mixing and phase-space cascade of entropy in gyrokinetic plasma turbulence (2008)
Tatsuno, T., Dorland, W., Schekochihin, A. A., Plunk, G. G., Barnes, M., Cowley, S. C., ...
Electrostatic turbulence in weakly collisional, magnetized plasma can be interpreted as a cascade of entropy in phase space. This cascade is studied theoretically and numerically. It proceeds...
Barnes, M., Abel, I. G., Dorland, W., Ernst, D. R., Hammett, G. W., Ricci, P., ...
A set of key properties for an ideal dissipation scheme in gyrokinetic simulations is proposed, and implementation of a model collision operator satisfying these properties is described. This...
Linearized model Fokker-Planck collision operators for gyrokinetic simulations. I. Theory (2008)
Abel, I. G., Barnes, M., Cowley, S. C., Dorland, W., Schekochihin, A. A.
A new analytically and numerically manageable model collision operator is developed specifically for turbulence simulations. The like-particle collision operator includes both pitch-angle scattering...
Finite Larmor radius effects on non-diffusive tracer transport in a zonal flow (2008)
Finite Larmor radius (FLR) effects on non-diffusive transport in a prototypical zonal flow with drift waves are studied in the context of a simplified chaotic transport model. The model consists of a...
Gyrokinetic turbulence: a nonlinear route to dissipation through phase space (2008)
Schekochihin, A. A., Cowley, S. C., Dorland, W., Hammett, G. W., Howes, G. G., Plunk, G. G., ...
This paper describes a conceptual framework for understanding kinetic plasma turbulence as a generalized form of energy cascade in phase space. It is emphasized that conversion of turbulent energy...
Kinetic Simulations of Magnetized Turbulence in Astrophysical Plasmas (2007)
Howes, G. G., Dorland, W., Cowley, S. C., Hammett, G. W., Quataert, E., Schekochihin, A. A., ...
This letter presents the first ab initio, fully electromagnetic, kinetic simulations of magnetized turbulence in a homogeneous, weakly collisional plasma at the scale of the ion Larmor radius (ion...
M. A. Beer, G. W. Hammett, G. Rewoldt, E. J. Synakowski, M. C. Zarnstorff, W. Dorland
The confinement improvement in reversed-shear experiments on the Tokamak Fusion Test Reactor [Plasma Phys. Controlled Fusion 26, 11 (1984)] is investigated using nonlinear gyrofluid simulations...
Schekochihin, A. A., Cowley, S. C., Dorland, W., Hammett, G. W., Howes, G. G., Quataert, E., ...
We present a theoretical framework for plasma turbulence in astrophysical plasmas (solar wind, interstellar medium, galaxy clusters, accretion disks). The key assumptions are that the turbulence is...
Gyrokinetic simulations of ETG and ITG turbulence (2007)
Dimits, A. M., Nevins, W. M., Shumaker, D. E., Hammett, G. W., Dannert, T., Jenko, F., ...
Verification of gyrokinetic δf simulations of electron temperature gradient turbulence (2007)
Nevins, W. M., Parker, S. E., Chen, Y., Candy, J., Dimits, A., Dorland, W., ...
Gyrokinetic simulations of collisionless magnetic reconnection (2007)
Rogers, B. N., Kobayashi, S., Ricci, P., Dorland, W., Drake, J., Tatsuno, T.
Linear and nonlinear gyrokinetic simulations of collisionless magnetic reconnection in the presence of a strong guide field are presented. A periodic slab system is considered with a sinusoidally...
Interplanetary and interstellar plasma turbulence (2006)
Schekochihin, A. A., Cowley, S. C., Dorland, W.
Theoretical approaches to low-frequency magnetized turbulence in collisionless and weakly collisional astrophysical plasmas are reviewed. The proper starting point for an analytical description of...
Characterizing electron temperature gradient turbulence via numerical simulation (2006)
Nevins, W.M., Candy, J., Cowley, S., Dannert, T., Dimits, A., Dorland, W., ...
Characterizing electron temperature gradient turbulence via numerical simulation (2006)
Nevins, W. M., Candy, J., Cowley, S., Dannert, T., Dimits, A., Dorland, W., ...
Numerical simulations of electron temperature gradient (ETG) turbulence are presented that characterize the ETG fluctuation spectrum, establish limits to the validity of the adiabatic ion model often...
Simulations of finite beta turbulence in Tokamaks and Stellarators (2003)
Jenko,F., Scott,B., Dorland,W., Kendl,A., Strintzi,D.
One of the central open questions in our attempt to understand microturbulence in fusion plas-mas concerns the role of finite β effects. Nonlinear codes trying to investigate this issue must go...
Budny,R. V., Andre,R., Challis,C. D., Dorland,W., Dux,R., Ernst,D. R., ...
Simulations of finite beta turbulence in Tokamaks and Stellarators (2003)
Jenko, F., Scott, B., Dorland, W., Kendl, A., Strintzi, D.
One of the central open questions in our attempt to understand microturbulence in fusion plas-mas concerns the role of finite β effects. Nonlinear codes trying to investigate this issue must go...
Overview of JET results (2003)
Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...
Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...
Prediction of significant tokamak turbulence at electron gyroradius scales (2002)
The experimental conditions under which tokamak turbulence at hyperfine (electron gyroradius) scales is predicted to be significant and observable are described. The first quantitative predictions of...
Microturbulence and flow shear in high-performance JET ITB plasma (2002)
Budny,R. V., Andre,R., Becoulet,A., Challis,C. D., Conway,G. D., Dorland,W., ...
The transport, flow shear, and linear growth rates of microturbulence are studied for a JET plasma with high central q in which an internal transport barrier (ITB) forms and crows to a large radius....
Ion Heat Transport in JET and ASDEX Upgrade Tokamak plasmas (2002)
Wolf,R., Baranov,Yu., De Baar,M., Challis,C. D., Dorland,W., Garbet,X., ...
Ion Heat Transport in JET and ASDEX Upgrade Tokamak plasmas (2002)
Wolf,R., Baranov,Yu., De Baar,M., Challis,C. D., Dorland,W., Garbet,X., ...
Microturbulence and flow shear in high-performance JET ITB plasma (2002)
Budny, R. V., Andre, R., Becoulet, A., Challis, C. D., Conway, G. D., Dorland, W., ...
The transport, flow shear, and linear growth rates of microturbulence are studied for a JET plasma with high central q in which an internal transport barrier (ITB) forms and crows to a large radius....
Prediction of significant tokamak turbulence at electron gyroradius scales (2002)
The experimental conditions under which tokamak turbulence at hyperfine (electron gyroradius) scales is predicted to be significant and observable are described. The first quantitative predictions of...
Ion Heat Transport in JET and ASDEX Upgrade Tokamak plasmas (2002)
Wolf, R., Baranov, Yu., De Baar, M., Challis, C. D., Dorland, W., Garbet, X., ...
Ion Heat Transport in JET and ASDEX Upgrade Tokamak plasmas (2002)
Wolf, R., Baranov, Yu., De Baar, M., Challis, C.D., Dorland, W., Garbet, X., ...
Gyrokinetic Simulations of Tokamak Microturbulence (2001)
Dorland, W., Rogers, B.N., Jenko, F., Kotschenreuther, M., Hammett, G.W., Mikkelsen, D.R., ...