ER15-ENEA-03

<h1> '''Theory and simulation of energetic particle dynamics and ensuing collective behaviors in fusion plasmas''' 	 </h1>
<big><b>[NonLinear Energetic particle Dynamics (NLED)]</b></big>

<p> </p>

Principal Investigator:

[mailto:fulvio.zonca@enea.it Fulvio Zonca]

Project Participants:

[mailto:alessandro.biancalani@ipp.mpg.de Alessandro Biancalani], [mailto:bottino@ipp.mpg.de Alberto Bottino], [mailto:matthias.borchardt@ipp.mpg.de Matthias Borchardt], [mailto:sergio.briguglio@enea.it Sergio Briguglio], [mailto:nakia.carlevaro@gmail.com Nakia Carlevaro], [mailto:claudio.ditroia@enea.it Claudio Di Troia], [mailto:remi.dumont@cea.fr Remi Dumont], [mailto:matteo.faganello@univ-amu.fr Matteo Faganello], [mailto:giuliana.fogaccia@enea.it Giuliana Fogaccia], [mailto:valeria.fusco@enea.it Valeria Fusco], [mailto:xavier.garbet@cea.fr Xavier Garbet], [mailto:ralf.kleiber@ipp.mpg.de Ralf Kleiber], [mailto:axel.koenies@ipp.mpg.de Axel Könies], [mailto:philipp.lauber@ipp.mpg.de Philipp Lauber], [mailto:alexander.milovanov@enea.it Alexander Milovanov], [mailto:alexey.mishchenko@ipp.mpg.de Oleksiy Mishchenko], [mailto:giovanni.montani@enea.it Giovanni Montani], [mailto:gregorio.vlad@enea.it Gregorio Vlad], [mailto:xin.wang@ipp.mpg.de Xin Wang]

External Collaborators (not supported by NLED funding):

[mailto:chavdarovski@gmail.com Ilija Chavdarovski] (MPPC PostDoc Fellow), [mailto:mcole@ipp.mpg.de Michael Cole] (PhD Student), [mailto:falematte@gmail.com Matteo Falessi] (PhD Student), [mailto:thay@ipp.mpg.de Thomas Hayward] (PhD Student), [mailto:malik.idouakass@univ-amu.fr Malik Idouakass] (PhD Student), [mailto:pierluigimigliano@gmail.com Pierluigi Migliano] (PostDoc Fellow), [mailto:francesco.palermo@ipp.mpg.de Francesco Palermo] (PostDoc Fellow), [mailto:mirjam.schneller@ipp.mpg.de Mirjam Schneller] (EUROfusion Fellow till Feb.1st 2016), [mailto:christoph.slaby@ipp.mpg.de Christoph Slaby] (PhD Student), [mailto:dzarzoso@gmail.com David Zarzoso] (AMU Faculty)

Participating Research Institutions:

[http://edu.univ-amu.fr Aix Marseille Univerity], [http://www-cadarache.cea.fr/gb/activites/fusion/index.php CEA Cadarache], [http://www.enea.it/it/centro-ricerche-frascati ENEA Frascati], [https://www.ipp.mpg.de/17301/garching IPP Garching],  [https://www.ipp.mpg.de/12424/greifswald IPP Greifswald]

<h1>Objectives of the NLED project  2015-17</h1>
<p>
The main aim of this project proposal is to assess the essential physics elements for successful numerical simulation of Alfvénic fluctuations and energetic particle behaviors in fusion plasmas. A variety of numerical codes adopting both gyrokinetic as well as hybrid fluid-kinetic approaches will be employed to accomplish this task. Reference plasma scenarios, including these fundamental processes, will be extracted from experimental observations for carrying out numerical studies in conditions of practical interest. Meanwhile, the use of physical models of increasing complexity within numerical simulation codes will allow to clearly identify the importance of accounting for realistic plasma nonuniformity and magnetic field geometry for successful comparisons of numerical simulation results with experimental observations. Furthermore, benchmarking of codes developed for analyzing these physics in tokamak and stellarator devices will provide deeper insights.
</p>
<p>
Standardized numerical diagnostics, in particular for energetic-particle phase-space, have been developed as part of the 2014 NLED ER Project; and are foreseen as essential ingredient of this project proposal as well as prerequisite for verification of numerical simulation results and code benchmarking for both linear and nonlinear dynamics. Linear simulations will be focused on benchmarking numerical simulations of different types of Alfvénic oscillations with perturbative and non-perturbative fast particle drive; and on the analysis of electron- fishbone stability properties. Meanwhile, nonlinear simulations will address perturbative analyses of multi-mode (Alfvén Eigenmode) scenarios including realistic damping, as well as nonlinear electron-fishbone saturation and self-consistent supra-thermal electron transport. For long time-scale simulations, realistic energetic particle sources and collisions will be taken into account.
</p>

<h1>Main ongoing research activities in 2016</h1>

<div title="projects 2016”>
    <div>
        <div>
            
            <ul>
                <li>
                    <p>
                        Study EPM thresholds (LIGKA,XHMGC,NEMORB); complete LIGKA/HAGIS coupling. Full Larmor radius and magnetic compression effects in HYMAGYC.
                    </p>
                </li>
                <li>
                    <p>
                        Characterization of EP transport in the presence of many modes with different numerical codes and models: 1D vs. 3D and analytical vs. numerical.
                    </p>
                </li>
                   <li>
                    <p>
                         Attempt first analysis of TAE and BAE saturation in the presence of turbulence (NEMORB), multi-n studies.
                    </p>
                </li>
                <li>
                    <p>
                        Apply nonlinear kinetic MHD hybrid model to and develop nonlinear electron fluid model in stellarators.
                    </p>
                </li>
                <li>
                    <p>
                        Compute interaction between DAW modes and fast particles in stellarators.
                    </p>
                </li>
                <li>
                    <p>
                        Implement source/sink and collisions in 3D gyrokinetic EUTERPE code.
                    </p>
                </li>
                <li>
                    <p>
                        Analysis of nonlinear dynamics of EGAMs in different collisionality regimes and characterization of nonlinear dynamics by means of velocity space diagnostics. Turbulence
                        regulation by EGAM. Comparison with experiments in ASDEX Upgrade.
                    </p>
                </li>
            </ul>
        </div>
    </div>
</div>

<h1>Activity Reports from previous years</h1>
<ul>
<li>[[#ARPY_1|[1]]]
 <em> 2014 NLED Activity Report.</em> [http://www.afs.enea.it/zonca/NLED_temp/NLED_2014.pdf PDF]
</li>
<li>[[#ARPY_2|[2]]]
 <em> 2015 NLED Activity Report.</em> [http://www.afs.enea.it/zonca/NLED_temp/NLED_2015.pdf PDF]
</li>
<li>[[#ARPY_3|[3]]]
 <em> 2016 NLED Mid-Term Report.</em> [http://www.afs.enea.it/zonca/NLED_temp/NLED_midterm.pdf PDF]
</li>

</ul>
<h1>Upcoming Web Seminars and Rehearsals</h1>
<ul>
<li>[[#U2015_1|[1]]] 
  <b> First NLED Workshop</b>, February 24 - 26, 2016, by remote participation. <em>Agenda.</em> [http://www.afs.enea.it/zonca/NLED_temp/NLED_Workshop-2016_Agenda.pdf PDF] (Information on presentations and material can be
requested from presenting authors.)
</li>

</ul>
<h1>Publications/presentations in 2016</h1>
<ul>
<li>[[#2016_1|[1]]]
A. Biancalani et al. <em>Linear gyrokinetic particle-in-cell simulations of </em><em>Alfvén</em><em> instabilities in tokamaks. </em>Physics of Plasmas <b>23</b>, 012108 (2016).  [http://dx.doi.org/10.1063/1.4939803 PDF]
</li>
<li>[[#2016_2|[2]]]
X. Wang et al. <em>Structure of wave-particle resonances and </em><em>Alfvén</em><em> mode saturation. </em>Physics of Plasmas <b>23</b>, 012514 (2016).  [http://dx.doi.org/10.1063/1.4940785 PDF]
</li>
<li>[[#2016_3|[3]]]
L. Chen and F. Zonca. <em>Physics of Alfvén waves and energetic particles in burning plasmas. </em>Reviews of Modern Physics <b>88</b>, 015008 (2016).  [http://dx.doi.org/10.1103/RevModPhys.88.015008 PDF] (20% NLED support)
</li>
<li>[[#2016_4|[4]]]
N. Carlevaro, A.V. Milovanov et al. <em>Mixed Diffusive-Convective Relaxation of a Warm Beam of Energetic Particles in Cold Plasma. </em>Entropy <b>18</b>, 143 (2016).  [http://www.mdpi.com/1099-4300/18/4/143 PDF]
</li>
<li>[[#2016_5|[5]]]
F. Zonca et al. <em>Nonlinear dynamics and transport processes in the beam-plasma system. </em>Invited talk at the 10<sup>th</sup> West Lake International Symposium on Magnetic Fusion, and 
12<sup>th</sup> Asia Pacific Plasma Theory Conference, Hangzhou, China, May 9-13, 2016.    [http://www.afs.enea.it/zonca/references/seminars/zonca_wlis16.pdf PDF]
</li>
<li>[[#2016_6|[6]]]
G. Fogaccia, G. Vlad, S. Briguglio  <em>Linear benchmarks between the hybrid codes HYMAGYC and HMGC to study energetic particle driven Alfvénic modes. </em> Accepted for publication in Nuclear Fusion, 2016.
</li>
<li>[[#2016_7|[7]]]
G. Vlad, V. Fusco, S. Briguglio, G. Fogaccia, F. Zonca, X. Wang  <em>Theory and modelling of electron fishbones. </em> Invited paper for the New Journal of Physics "Fast particle instabilities and transport in fusion, space and
astrophysics plasmas", to be submitted, 2016.
</li>
<li>[[#2016_8|[8]]]
G. Vlad, V. Fusco, S. Briguglio, C. Di Troia, G. Fogaccia, F. Zonca, X. Wang  <em>Linear and nonlinear dynamics of electron fishbones. </em> To be presented at  the 26th IAEA Fusion Energy Conference (FEC 2016) Kyoto, Japan 17–22 October 2016, Poster presentation.
</li>
<li>[[#2016_9|[9]]]
X. Wang, S. Briguglio, M. Schneller, Ph. Lauber, V. Fusco, C. Di Troia, G. Fogaccia, G. Vlad, F. Zonca  <em>On the structure of wave-particle interactions and nonlinear Alfvenic fluctuation dynamics. </em> To be presented at  the 26th IAEA Fusion Energy Conference (FEC 2016) Kyoto, Japan 17–22 October 2016, Poster presentation.
</li>
<li>[[#2016_10|[10]]]
X. Wang, S. Briguglio  <em>A single Alfven mode saturation by nonlinear wave-particle interaction. </em> Invited paper for the New Journal of Physics "Fast particle instabilities and transport in fusion, space and
astrophysics plasmas", to be submitted, 2016.
</li>
<li>[[#2016_11|[11]]]
X. Wang, S. Briguglio, Ph. Lauber, F. Zonca  <em>Structure of wave-particle interactions in nonlinear Alfven fluctuation dynamics. </em> Oral talk at the 10<sup>th</sup> West Lake International Symposium on Magnetic Fusion, and 12<sup>th</sup> Asia Pacific Plasma Theory Conference, Hangzhou, China, May 9-13, 2016.
</li>
<li>[[#2016_12|[12]]]
N. Carlevaro, G. Montani, F. Zonca, <em> Convection and diffusion in the bump-on-tail model: interpretation of fast particle-TAE interaction in ITER.</em> 43rd EPS Conference on Plasma Physics, July 4-8 (2016), Leuven (Belgium). Poster presentation.
</li>
<li>[[#2016_13|[13]]]
D. Zarzoso et al., <em> Verification of the 2-species version of GYSELA by means of energetic particle driven GAMs. </em> Oral talk at the Numerical Methods for the Kinetic Equations of Plasma Physics (NumKin2015), Garching, Germany, Oct 26-30, 2015.
</li>
<li>[[#2016_14|[14]]]
M. Idouakass, M. Faganello, H. Berk, W. Garbet, S. Benkadda, <em> Nonlinear simulations of the fishbone instability. </em> in Proceedings of the 42<sup>nd</sup> EPS plasma conference on Plasma Physics, Jun 22-26 (2015), Lisbon, Portugal.
</li>
<li>[[#2016_15|[15]]]
M. Faganello, M. Idouakass, H. Berk, X. Garbet, S. Benkadda, <em> Nonlinear hydrid simulations of precessional Fishbone instability. </em> Invited talk at the 5<sup>th</sup> International Workshop on the Theory and Applications of the Vlasov equation (Vlasovia), Copanello, Italy, May 30-Jun 2 (2016).
</li>

</ul>
<h1>Publications/presentations in 2015</h1>
<ul>
<li>[[#2015_1|[1]]]
  X. Wang et al. <em>Structure of wave-particle interactions in nonlinear beta induced </em><em>Alfvén</em><em> eigenmode dynamics. </em>Invited talk at the 7<sup>th</sup> IAEA Technical Meeting on Plasma Instabilities, Frascati, Italy, March 4-6, 2015.    [http://www.iaeatm-inst2015.enea.it/invited/xin_wang.pdf PDF]
</li>
<li>[[#2015_2|[2]]]
 Ph. Lauber. <i>Local and Global Kinetic Stability Analysis of Alfvén Eigenmodes in the 15 MA ITER Scenario.</i>  Plasma Phys. Control. Fus. <b>57</b>, 054011 (2015). 
[http://stacks.iop.org/0741-3335/57/i=5/a=054011 PDF] (70% NLED support)
</li>
<li> [[#2015_3|[3]]]
S. D. Pinches and Ph. Lauber et al. <i>Energetic Ions in ITER Plasmas.</i>  Physics of Plasmas <b>22</b>, 021807  (2015).
[http://scitation.aip.org/content/aip/journal/pop/22/2/10.1063/1.4908551 PDF] (20% NLED support)
</li>
<li> [[#2015_4|[4]]]
F. Zonca et al. <i>Energetic particles and multi-scale dynamics in fusion plasmas.</i>  Plasma Phys. Control. Fus. LabTalk.
[http://iopscience.iop.org/0741-3335/labtalk-article/60331 link] (80% NLED support)
</li>
<li> [[#2015_5|[5]]]
N. Carlevaro, M.V. Falessi, G. Montani and F. Zonca. <em>Transport features in a multi-resonance beam-plasma system. </em> Poster presented at the workshop Complex Plasma Phenomena in the Laboratory and in the Universe, Accademia Nazionale dei Lincei, Rome, Italy, January 19-20, 2015; and the 7<sup>th</sup> IAEA Technical Meeting on Plasma Instabilities, Frascati, Italy, March 4-6, 2015. [http://www.cgwcollaboration.it/pdf/poster.pdf PDF]
</li>
<li> [[#2015_6|[6]]]
N. Carlevaro, M.V. Falessi, G. Montani and F. Zonca. <em>Non-linear physics and transport features of the beam-plasma instability. </em> J. Plasma Phys. <b>81</b> (5), 495810515 (2015). [http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9913185&fulltextType=RA&fileId=S0022377815001002 PDF]
</li>
<li> [[#2015_7|[7]]]
F. Zonca et al. <i>Energetic particles and multi-scale dynamics in fusion plasmas.</i>  Invited talk 
presented at the Workshop on Tearing Modes and Energetic Particles,
10 – 12 June 2015, Aix-en-Provence, France.
[http://www.afs.enea.it/zonca/references/seminars/zonca_aix15.pdf PDF] (80% NLED support)
</li>
<li> [[#2015_8|[8]]]
F. Zonca. <i>Wave-particle interactions and nonlinear dynamics in magnetized plasmas.</i>  Invited talk 
presented as Mathematics Department Colloquium, Bologna University, June 16th 2015.
[http://www.afs.enea.it/zonca/references/seminars/zonca_bologna15.pdf PDF] (80% NLED support)
</li>
<li> [[#2015_9|[9]]]
G. Fogaccia, S. Briguglio, and G. Vlad. <i>Linear benchmark activity of HYMAGYC code.</i> In 7th IAEA Technical Meeting on Theory of Plasma Instabilities, Frascati (Rome), March 4-6, 2015.
</li>
<li> [[#2015_10|[10]]]
G. Fogaccia, G. Vlad, and S. Briguglio. <i>Linear benchmarks between HYMAGYC and HMGC codes.</i> In 14th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Vienna 1-4 Sept. 2015, page P29, Vienna, Austria, 2015. International Atomic Energy Agency. [http://www.afs.enea.it/vlad/Papers/fogaccia15iaeatmep.pdf PDF]
</li>
<li> [[#2015_11|[11]]]
V. Fusco, G. Vlad, S. Briguglio, G. Fogaccia, C. Di Troia, and F. Zonca. <i>Analysis of the electron fishbone instability with the XHMGC code.</i> In 7th IAEA Technical Meeting on Theory of Plasma Instabilities, Frascati (Rome), March 4-6, 2015.
</li>
<li> [[#2015_12|[12]]]
V. Fusco, G. Vlad, S. Briguglio, G. Fogaccia. <i>Electron fishbone dynamics studies in tokamaks using the XHMGC code.</i> In 14th IAEA Technical Meeting (TM) on Energetic Particles in Magnetic Confinement Systems, Vienna 1-4 Sept, 2015, page P28, Vienna, Austria, 2015. International Atomic Energy Agency. [http://www.afs.enea.it/vlad/Papers/fusco15iaeatmep.pdf PDF]
</li>
<li> [[#2015_13|[13]]]
N. Carlevaro, A.V. Milovanov, M.V. Falessi, G. Montani, D. Terzani and F. Zonca. <em>Mixed diffusive-convective relaxation of a broad beam of energetic particles in cold plasma.</em> To be submitted to <em>Entropy - Special Issue: Recent Advances in Non-Equilibrium Statistical Mechanics and Its Application</em>. Invited paper (2015). [http://www.cgwcollaboration.it/pdf/CMFMTZ_ENTROPY.pdf PDF]
</li>
<li> [[#2015_14|[14]]]
Ph. Lauber et al. <i>Off-axis NB heated discharges at ASDEX Upgrade: 
EGAMs,TAE bursts, and RSAEs.</i> In 14th IAEA TCM on Energetic Particles in Magnetic Confinement Systems, Vienna 1-4 Sept,2015.[http://www2.ipp.mpg.de/~pwl/NLED_AUG/Vienna_2015_poster.pdf PDF] (40% NLED support)
</li>
<li> [[#2015_15|[15]]]
M.D.J. Cole and A. Mishchenko and A. K&ouml;nies and R. Hatzky and R. Kleiber.
 <em> A hierarchy of electromagnetic gyrokinetic and fluid hybrid models for the simulation of global modes</em>
 Plasma Physics and Controlled Fusion 57, 054013 (2015).
</li>
<li> [[#2015_16|[16]]]
 A. Mishchenko, M. Borchardt, M. Cole, R. Hatzky, T. Feher, R. Kleiber, A. K&ouml;nies and A. Zocco.
 <em> Global linear gyrokinetic particle-in-cell simulations including electromagnetic effects in shaped plasmas</em>,
 Nuclear Fusion 55, 053006 (2015).
</li>
<li> [[#2015_17|[17]]]
 M.D.J. Cole, A. Mishchenko and A. K&ouml;nies.
 <em> Hybrid simulations of global modes in magnetic fusion devices</em>,
 (oral) DPG Fr&uuml;hjahrstagung, Bochum, 2015
</li>
<li> [[#2015_18|[18]]]
 M.D.J. Cole, A. Mishchenko, A. K&ouml;nies, A. Biancalani, M. Borchardt, R. Hatzky, R. Kleiber and P. Lauber.
<em> Progress in non-linear gyrokinetic simulations of global modes in tokamaks and stellarators</em>,
 (invited), 14th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Vienna 1-4 Sept, 2015
</li>
<li> [[#2015_19|[19]]]
 M.D.J. Cole, A. K&ouml;nies, A. Mishchenko, M. Borchardt, R. Hatzky and R. Kleiber.
 <em> Progress in non-linear gyrokinetic simulations of global modes in tokamaks and stellarators </em>
 (poster) 20th International Stellerator-Heliotron Workshop, Greifswald, 2015
</li>
<li> [[#2015_20|[20]]]
 M.D.J. Cole, A. K&ouml;nies, A. Mishchenko, M. Borchardt, R. Hatzky and R. Kleiber.
 <em> Progress in non-linear gyrokinetic simulations of global modes in tokamaks and stellarators</em>
 (oral) IPP Theory Meeting, Plau am See, 2015
</li>
<li> [[#2015_18|[18]]]
 A. Biancalani, A. Bottino, S. Briguglio, M.D.J. Cole, C. Di Troia, A. K&ouml;nies, Ph. Lauber,
A. Mishchenko, B. Scott, F. Zonca.
<em> Non-perturbative nonlinear interplay of Alfvén modes and energetic ions </em>,
 Invited talk at the 14th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Vienna 1-4 Sept, 2015
</li>
<li> [[#2015_21|[21]]]
 A. K&ouml;nies, R. Kleiber, T. Feher, M. Borchardt, A. Mishchenko. 
 <em> CKA‐EUTERPE: A kinetic MHD model for nonlinear wave particle interaction </em>
 (poster) 20th International Stellerator-Heliotron Workshop, Greifswald, 2015
</li>
<li> [[#2015_22|[22]]]
 A. K&ouml;nies, R. Kleiber, T. Feher, M. Borchardt, A. Mishchenko. 
 <em> Non-linear kinetic MHD with CKA-EUTERPE </em>
 (oral) IPP Theory Meeting, Plau am See, 2015 
</li>
<li> [[#2015_23|[23]]]
 G.W. Bowden, M.J. Hole, A. K&ouml;nies.
<em> Calculation of continuum damping of Alfvén eigenmodes in tokamak and stellarator equilibria</em>
 (invited) 20th International Stellarator-Heliotron Workshop, Greifswald, 2015
</li>
<li> [[#2015_24|[24]]]
 G.W. Bowden, M.J. Hole, A. K&ouml;nies.
 <em> Calculation of continuum damping of Alfvén eigenmodes in tokamak and stellarator equilibria</em>
 submitted to Phys. Plasmas
</li>
<li> [[#2015_25|[25]]]
 R. Kleiber, et al. 
 <em> Gyrokinetic simulations for tokamaks and stellarators</em>
 (invited), 7th IAEA Technical Meeting on “Theory of Plasma Instabilities” , Frascati, 2015
</li>
<li> [[#2015_26|[26]]]
 R. Kleiber, M. Borchardt, M. Cole, R. Hatzky, A. K&ouml;nies, A. Mishchenko, J. Riemann, E. Sonnendr&uuml;cker.
 <em> Present status of the EUTERPE code </em>
 (oral) IPP Theory Meeting, Plau am See, 2015 
</li>
<li> [[#2015_27|[27]]]
 A. Mishchenko, A. Bottino, R. Hatzky, R. Kleiber.
 <em> Gyrokinetic PIC simulations with GYGLES, EUTERPE and ORB5 </em>
 (oral) IPP Theory Meeting, Plau am See, 2015 
</li>
<li> [[#2015_28|[28]]]
 C. Slaby. 
 <em> Energetic Particle Modes in Tokamaks and Stellarators </em>
 Master Thesis, Ernst-Moritz-Arndt-Universität Greifswald, 2015 
</li>
<li> [[#2015_29|[29]]]
 C. Di Troia. 
 <em> Bayesian derivation of plasma equilibrium distribution function
 for tokamak scenarios and the associated Landau collision operator, </em>
 Nuclear Fusion 55, 123018 (2015). [http://iopscience.iop.org/article/10.1088/0029-5515/55/12/123018 link]
</li>
<li> [[#2015_30|[30]]]
 M Schneller, Ph. Lauber, S. Briguglio.
 <em> Non-linear Energetic Particle Transport in the Presence of Multiple Alfvénic Waves in ITER, </em>
Plasma Phys. Control. Fusion 58 014019 (2015) 
Nuclear Fusion 55, 123018 (2015). [http://iopscience.iop.org/article/10.1088/0741-3335/58/1/014019/meta;jsessionid=DC4F76D72C9D157298577EFD1CDE9193.c2.iopscience.cld.iop.org link ]
</li>
<li> [[#2015_31|[31]]]
 M Schneller et al. 
 <em>  	Invited talk at the 42nd European Physical Society Conf. on Plasma Physics, Lisbon (Portugal) 22-26 June, 2015 </em>
 [http://www2.ipp.mpg.de/~mirjam/Schneller_talk_EPS15.pdf PDF]
</li>
<li> [[#2015_32|[32]]]
 M Schneller et al. 
 <em> Invited talk at the 14th IAEA Technical Meeting on Energetic Particles, Vienna 1-4 Sept, 2015 </em>
 [http://www2.ipp.mpg.de/~mirjam/Schneller_talk_EFTC15.pdf PDF]
</li>
<li> [[#2015_33|[33]]]
 M Schneller et al. 
 <em> Invited talk at the European Fusion Theory Conference 2015, Lisbon (Portugal) 5-8 Oct, 2015 </em>
 [http://www2.ipp.mpg.de/~mirjam/Schneller_talk_IAEA15.pdf PDF]
</li>
<li> [[#2015_34|[34]]]
 X Wang et al. 
 <em> Invited talk at the 14th IAEA Technical Meeting on Energetic Particles, Vienna 1-4 Sept, 2015  </em>
</li>
<li> [[#2015_35|[35]]]
 X Wang et al. 
 <em> Structure of wave-particle interactions in nonlinear Alfvénic fluctuation dynamics,  </em>
 submitted to Physics of Plasmas (2015)
</li>
<li> [[#2015_36|[36]]]
 A. Biancalani, A. Bottino, S. Briguglio, A. K&ouml;nies, Ph. Lauber, A. Mishchenko, E.Poli, B. D. Scott, F. Zonca. 
 <em> Linear gyrokinetic particle-in-cell simulations of Alfvén instabilities in tokamaks,  </em>
 submitted to Physics of Plasmas (2015)
</li>
<li> [[#2015_37|[37]]]
J. Cao, Z. Qiu and F. Zonca. <i>Fast excitation of geodesic acoustic mode by energetic particle beams.</i>  Physics of Plasmas <b>22</b>, 124505  (2015).
[http://scitation.aip.org/content/aip/journal/pop/22/12/10.1063/1.4938277 PDF] (30% NLED support)
</li>

</ul>
<h1>Publications/presentations in 2014</h1>
<ul>
<li> [[#2014_1|[1]]]
F. Zonca and L. Chen, <i>Theory on excitations of drift Alfvén waves by energetic particles. I. Variational formulation.</i> Phys. Plasmas <b>21</b>, 072120 (2014). 
[http://www.afs.enea.it/zonca/references/journal/zonca_pop14a.pdf PDF] (50% NLED support) </li>

<li>  [[#2014_2|[2]]]
 F. Zonca and L. Chen, <i>Theory on excitations of drift Alfvén waves by energetic particles. II. The general fishbone-like dispersion relation.</i> Phys. Plasmas <b>21</b>, 072121 (2014). [http://www.afs.enea.it/zonca/references/journal/zonca_pop14b.pdf PDF] (50% NLED support)</li>

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</ul>