Presentations

Seminars
[3] O. Pezzi. Collisional dissipation in turbulent weakly-collisional plasmas. 14 June 2018. Parker Solar Probe Theory Telecon.
[2] O. Pezzi. Plasma Collisionality in a kinetic turbulent plasma. 28 September 2017. École Centrale de Lyon, Lyon, France.
[1] O. Pezzi. Collisional effects in weakly collisional plasmas. 6 August 2015. University of Delaware, Newark (DE), US.

Invited Oral Talks
[6] O. Pezzi, D. Perrone, S. Servidio, F. Valentini, L. Sorriso-Valvo and P. Veltri. The role of proton-proton collisions in the turbulent solar wind by means of hybrid Boltzmann-Maxwell simulations. VLASOVIA 2019, July 22 – 25 2019. Strasbourg (FR).
[5] O. Pezzi, D. Perrone, S. Servidio, F. Valentini, L. Sorriso-Valvo, A. Greco, W.H. Matthaeus and P. Veltri. A “new” path to heat turbulent, weakly-collisional plasmas: inter-particle collisions. SoHe3 Third Meeting of the Italian Solar and Heliospheric Community Meeting, October 28 – 31 2018. Turin, Italy.
[4] O. Pezzi, S. Servidio, F. Valentini, T.N. Parashar, F. Malara, W.H. Matthaeus and P. Veltri. Alfvénic wave packets collisions in a kinetic plasma. International Congress on Plasma Physics (ICPP), June 4 – 8 2018. Vancouver, Canada.
[3] O. Pezzi, D. Perrone, S. Servidio, F. Valentini, L. Sorriso-Valvo and P. Veltri. Collisional dissipation in turbulent weakly-collisional plasmas. EGU General Assembly 2018, April 9 – 13 2018. Vienna, Austria.
[2] O. Pezzi, F. Valentini and P. Veltri. Collisional Dissipation of Fine Velocity Structures in Weakly Collisional Plasmas. Collisionless Boltzmann (Vlasov) Equation and Modeling of Self-Gravitating Systems and Plasmas. October 29 – November 3 2017. Marseille, France.
[1] O. Pezzi, F. Valentini, S. Servidio, D. Perrone, A. Greco, K. Osman, F. Califano, W.H. Matthaeus and P. Veltri. Kinetic effects in Vlasov turbulent plasmas. Solar Heliospheric and Interplanetary Environment (SHINE), July 5 – 10 2015. Stowe, Vermont (US).

Invited Oral Talks (in collaborations)
[7] D. Perrone, S. Servidio, O. Pezzi, F. Valentini, A. Chasapis, W.H. Matthaeus, A. Greco, L. Sorriso-Valvo and P. Veltri. Velocity-space cascade in space plasmas: Vlasov simulations and observations. VLASOVIA 2019, July 22 – 25 2019. Strasbourg (FR).
[6] D. Perrone, O. Alexandrova, R. Owen, Y. Zouganelis, A. Walsh, F. Valentini, S. Servidio, O. Pezzi, L. Sorriso-Valvo and P. Veltri. Kinetic turbulence in collisionless space plasmas: ‘in situ’ data and Vlasov simulations. “Particle Acceleration and Transport: from the Sun to Extragalactic Sources” Workshop, November 12 – 16 2018, University of Calabria (Rende), Italy.
[5] A. Retinò, F. Catapano, G. Cozzani, A. Chasapis, A. Johlander, A. Alexandrova, A. Vaivads, Y. Khotyaintsev, O. Le Contel, H. Fu, D. Perrone, L. Sorriso-Valvo, F. Valentini, O. Pezzi, W. Matthaeus, G. Zimbardo, F. Califano, R. Nakamura and H. Kucharek. In situ observations of energy dissipation and particle energization in near-Earth space. “Particle Acceleration and Transport: from the Sun to Extragalactic Sources” Workshop, November 12 – 16 2018, University of Calabria (Rende), Italy.
[4] D. Perrone, S. Servidio, O. Pezzi, F. Valentini, A. Chasapis, W.H. Matthaeus, A. Greco, L. Sorriso-Valvo and P. Veltri. Velocity-space cascade in space plasmas: in situ observations and kinetic Vlasov simulations. SIF 2018, September 17 – 21 2018. Università della Calabria (Arcavacata di Rende), Italy.
[3] O. Khabarova, A. Greco, S. Servidio, O. Pezzi, R. Bruno, G. Zank, G. Li, W. Matthaeus, A. Chasapis, H. Malova, R. Kislov, O. Malandraki and F. Effenberger. Coherent structures in the solar wind and their role in basic turbulence processes and particle energization at low and high heliolatitudes, 2017 AGU Fall Meeting. December 11 – 15 2017. New Orleans, France.
[2] P. Veltri, F. Valentini, S. Servidio, D. Perrone, O. Pezzi, B. Maruca, K. Osman, F. Califano and W.H. Matthaeus. Kinetic effects in Solar Wind low frequency Turbulence: Vlasov Simulations vs Data Analysis. National Congress of Italian Physical Society, September 22 – 26 2014. Pisa, Italy.
[1] P. Veltri, F. Valentini, S. Servidio, D. Perrone, O. Pezzi, B. Maruca, F. Califano and W.H. Matthaeus. Kinetic Effects in Solar Wind Low Frequency Turbulence: Vlasov Simulations vs data Analysis. Dynamical Processes in Space and Astrophysical Plasmas, March 16–22 2014. Ein Bokek, Dead Sea, Israel.

Oral Talks
[21] O. Pezzi, A. Dundovic, C. Evoli, P. Blasi and W.H. Matthaeus. Test-particle diffusion in synthetic turbulent magnetic fields. Cosmic Ray Anisotropy Workshop CRA2019, October 7 – 11 2019. L’Aquila (IT).
[20] F. Malara, O. Pezzi, F. Valentini and A. Settino. Exact hybrid Vlasov equilibria for sheared plasmas with uniform magnetic field. VLASOVIA 2019, July 22 – 25 2019. Strasbourg (FR).
[19] A. Settino, F. Valentini, F. Malara and O. Pezzi. Hybrid Vlasov-Maxwell simulations of Kelvin-Helmholtz instability. VLASOVIA 2019, July 22 – 25 2019. Strasbourg (FR).
[18] L. Sorriso-Valvo, F. Catapano, A. Retinò, D. Perrone, O.W. Roberts, J.T. Coburn, F. Valentini, S. Perri, A. Greco, O. Pezzi, F. Fraternale, F. Di Mare and R. Marino. Turbulence-Driven Ion Beams in the Magnetospheric Kelvin-Helmholtz Instability. EGU General Assembly 2019, April 7 – 12 2019. Vienna, Austria.
[17] O. Pezzi, F. Valentini, S. Servidio, D. Perrone, L. Sorriso-Valvo, A. Greco, W.H. Matthaeus and P. Veltri. Velocity space cascade in magnetized plasmas. Arcetri 2018 Workshop on Plasma Astrophysics, October 22 – 26 2018. Arcetri (FI), Italy.
[16] O. Pezzi, D. Perrone, S. Servidio, F. Valentini, L. Sorriso-Valvo, A. Greco, W.H. Matthaeus and P. Veltri. Collisional dissipation in turbulent weakly-collisional plasmas. SIF 2018, September 17 – 21 2018. Università della Calabria (Arcavacata di Rende), Italy.
[15] O. Pezzi, S. Servidio, F. Valentini, T.N. Parashar, F. Malara, W.H. Matthaeus and P. Veltri. Alfvénic wave packets collisions in a kinetic plasma. EGU General Assembly 2018, April 9 – 13 2018. Vienna, Austria.
[14] O. Pezzi, F. Valentini and P. Veltri. Collisional Effects in Weakly Collisional Plasmas. Italian Conference on the Physics of Matter FISMAT2017, ICTP/SISSA, Trieste, October 1-5 2017.
[13] G. Alì, G. Mascali, O. Pezzi and F. Valentini. Hydrodynamical models for plasmas based on the Fokker-Planck-Landau transport equation. WASCOM 2017, June 12 – 16 2017. Bologna (BO), Italy.
[12] D. Perrone, F. Valentini, S. Servidio, S. Stabile, O. Pezzi, L. Sorriso-Valvo, R. De Marco, F. Marcucci, D. Brienza, R. Bruno, B. Lavraud, A. Retinò, A. Vaivads, G. Consolini, J. De Keyser, M. Salatti and P. Veltri. Differential kinetic physics of solar-wind minor ions. EGU General Assembly 2017, April 23 — 28 2017. Vienna, Austria.
[11] O. Pezzi, S. Servidio, F. Valentini, T.N. Parashar, C.V. Vasconez, Y. Yang, F. Malara, W.H. Matthaeus and P. Veltri. Alfvénic wave packet collisions in a kinetic plasma. Arcetri 2016 Workshop on Plasma Astrophysics, October 17 – 20 2016. Arcetri (FI), Italy
[10] O. Pezzi. Da Vincenzo Ferraro ai giorni nostri: un viaggio nella complessità (e nella bellezza) della fisica dello spazio. Premio Vincenzo Ferraro “Una vita per la scienza” VI edizione, October 8 2016. Sorrento (NA), Italy.
[9] O. Pezzi, F. Valentini and P. Veltri. Collisional relaxation of fine velocity structures in plasmas. SIF 2016, September 26 – 30 2016. Padova, Italy.
[8] O. Pezzi, S. Servidio, T. Parashar, C.V. Vasconez, F. Valentini, F. Malara, W.H. Matthaeus and P. Veltri. Collisions of two Alfvénic wave packets: beyond the Moffatt-Parker problem. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[7] F. Pucci, C.L. Vasconez, O. Pezzi, S. Servidio, F. Valentini, W.H. Matthaeus and F. Malara. From Alfvén waves to kinetic Alfvén waves in an inhomogeneous equilibrium structure. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[6] O. Pezzi, F. Valentini and P. Veltri. Fine velocity structures collisional dissipation in plasmas. EGU European Geosciences Union General Assembly 2016, April 17 – 22 2016. Vienna, Austria.
[5] O. Pezzi, S. Servidio, T.N. Parashar, Y. Yang, F. Valentini, F. Malara, W.H. Matthaeus and P. Veltri. Collision of two Alfvénic wave packets in a kinetic plasma. Arcetri 2015 Workshop on Plasma Astrophysics, November 9 – 12 2015. Arcetri (FI), Italy.
[4] O. Pezzi, F. Valentini and P. Veltri. Collisional relaxation: Landau versus Dougherty operator. Arcetri 2014 Workshop on Plasma Astrophysics, October 27 – 30 2014. Arcetri (FI), Italy.
[3] O. Pezzi, F. Valentini and P. Veltri. Collisional effects on ion-acoustic solitary waves propagation. International Congress on Plasma Physics (ICPP), September 15 – 19 2014. Lisbon, Portugal.
[2] O. Pezzi, F. Valentini, D. Perrone and P. Veltri. Numerical approach to collisional plasmas: collisional effects on electrostatic plasma waves. VLASOVIA, November 25 – 28 2013. Nancy, France.
[1] F. Valentini, S. Servidio, D. Perrone, O. Pezzi, B. Maruca, F. Califano, W. H. Matthaeus and P. Veltri. Kinetic effects in the turbulent solar wind: capturing ion physics with a Vlasov code. VLASOVIA, November 25 – 28 2013. Nancy, France.

Posters
[26] O. Pezzi, G. Cozzani, F. Califano, F. Valentini, M. Guarrasi, E. Camporeale, G. Brunetti, A. Retinò and P. Veltri. ViDA: a Vlasov-DArwin solver for plasma physics at electron scales. VLASOVIA 2019, July 22 – 25 2019. Strasbourg (FR).
[25] L. Sorriso-Valvo, O. Pezzi, F. Catapano, F. Valentini, S. Perri, D. Perrone and F. Fraternale. Turbulence-driven ion beams in space plasma. VLASOVIA 2019, July 22– 25 2019. Strasbourg (FR).
[24] G. Cozzani, F. Califano, O. Pezzi, A. Retinò, F. Valentini and M. Guarrasi. Structure of the Electron Diffusion Region in Vlasov-Darwin simulations of magnetic reconnection. EGU General Assembly 2019, April 7 – 12 2019. Vienna, Austria.
[23] O. Pezzi, F. Valentini, S. Servidio, D. Perrone, E. Camporeale, L. Sorriso-Valvo, A. Greco, W.H. Matthaeus and P. Veltri. Velocity space cascade in magnetized space plasmas: numerical simulations. “Particle Acceleration and Transport: from the Sun to Extragalactic Sources” Workshop, November 12-16 2018, University of Calabria (Rende), Italy.
[22] A. Settino, O. Pezzi and F. Valentini. Kelvin-Helmholtz instability in magnetized plasma at ion kinetic scales. “Particle Acceleration and Transport: from the Sun to Extragalactic Sources” Workshop, November 12-16 2018, University of Calabria (Rende), Italy.
[21] O. Pezzi, F. Valentini, S. Servidio, D. Perrone, L. Sorriso-Valvo, A. Greco, W.H. Matthaeus and P. Veltri. Velocity space cascade in magnetized plasmas: numerical simulations. Fifteenth International Solar Wind Conference (SW15), June 18-22 2018, Brussels, Belgium.
[20] S. Servidio, A. Chasapis, D. Perrone, W.H. Matthaeus, F. Valentini, O. Pezzi, T.N. Parashar, …, J. Burch. First observations of the velocity-space cascade in space plasmas. Fifteenth International Solar Wind Conference (SW15), June 18-22 2018, Brussels, Belgium.
[19] O. Pezzi, E. Camporeale, F. Valentini and P. Veltri. Recurrence phenomena in weakly collisional plasma. International Congress on Plasma Physics (ICPP), June 4 – 8 2018. Vancouver, Canada.
[18] S. Servidio, A. Chasapis, D. Perrone, O. Pezzi, F. Valentini, W. H. Matthaeus, P. Veltri, T. N. Parashar, D. Gershman, C. T. Russell, B. Giles, S. A. Fuselier, T. D. Phan, J. Burch. Magnetospheric Multiscale Observation of Plasma Velocity-Space Cascade. EGU General Assembly 2018, April 9 – 13 2018. Vienna, Austria.
[17] L. Sorriso-Valvo, F. Catapano, A. Greco, G. Nigro, V. Panebianco, S. Perri, O. Pezzi, S. Servidio, F. Valentini, F. Carbone, R. Marino, R. Bruno, A. Retinò and D. Perrone. Local energy transfer rate and kinetic signatures in solar wind turbulence. EGU General Assembly 2018, April 9 – 13 2018. Vienna, Austria.
[16] O. Pezzi, D. Perrone, S. Servidio, F. Valentini, L. Sorriso-Valvo, Y. Zouganelis and P. Veltri, Collisional dissipation in Vlasov turbulence, AGU Fall Meeting 2017, December 11-15 2017. New Orleans, The United States.
[15] O. Pezzi, F. Valentini and P. Veltri. Collisional effects enhancement in weakly collisional plasmas. ISSS “Complexity and Turbulence in Space Plasmas”, September 18 – 22 2017. L’Aquila, Italy.
[14] O. Pezzi, F. Valentini, S. Perri, A. Reda and P. Veltri. Dissipation of Fine Velocity Structures in Weakly Collisional Plasmas. 44th EPS Conference on Plasma Physics, June 26 – 30 2017. Belfast, The United Kingdom.
[13] R. De Marco, F. Marcucci, D. Brienza, R. Bruno, G. Consolini, D. Perrone, F. Valentini, S. Servidio, S. Stabile, O. Pezzi, L. Sorriso-Valvo, B. Lavraud, J. De Keyser, A. Retinò, A. Fazakerley, R. Wicks, A. Vaivads, M. Salatti and P. Veltri. Kinetic features revealed by top-hat electrostatic analysers: numerical simulations and instrument response results. EGU General Assembly 2017, April 23 – 28 2017. Vienna, Austria.
[12] O. Pezzi, S. Servidio, F. Valentini, T.N. Parashar, F. Malara, W.H. Matthaeus and P. Veltri. Collisions of two Alfvénic wave packets in a kinetic plasma. AGU Fall Meeting 2016, December 12 – 16 2016. San Francisco (CA), The United States.
[11] C.L. Vasconez, F. Valentini, O. Pezzi, S. Servidio, F. Malara and F. Pucci. Numerical study of the transition to kinetic turbulence induced by large-amplitude Kinetic Alfvén fluctuations. AGU Fall Meeting 2016, December 12 – 16 2016. San Francisco, California, US.
[10] O. Pezzi, E. Camporeale and F. Valentini. Collisional effects on the numerical recurrence in Vlasov-Poisson simulations. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[9] O. Pezzi, F. Valentini and P. Veltri. Collisional relaxation of fine velocity structures in plasmas. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[8] M. Viviani, O. Pezzi, F. Valentini and P. Veltri. Electrostatic waves in a weakly collisional plasma: analytical and numerical study. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[7] K. Pommois, G. Brunetti, O. Pezzi and F. Valentini. Slow electrostatic fluctuations generated by beam-plasma interactions. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[6] G. Brunetti, F. Valentini, O. Pezzi and P. Veltri. A Vlasov-Ampére solver for the simulation of unmagnetized collisionless plasmas with open boundary conditions. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[5] G. Alì, G. Mascali, O. Pezzi and F. Valentini. Extended hydrodynamical models for plasmas. VLASOVIA 2016, May 30 – June 2 2016. Copanello (CZ), Italy.
[4] O. Pezzi, T.N. Parashar, S. Servidio, F. Valentini, F. Malara, W.H. Matthaeus and P. Veltri. Alfvénic wave packets collision in a kinetic plasma. EGU General Assembly 2016, April 17 – 22 2016. Vienna, Austria.
[3] F. Pucci, C. Vasconez, O. Pezzi, S. Servidio, F. Valentini, W. Matthaeus and F. Malara. From Alfvén waves to kinetic Alfvén waves in an inhomogeneous equilibrium structure. EGU General Assembly 2016, April 17 – 22 2016. Vienna, Austria.
[2] O. Pezzi, E. Camporeale and F. Valentini. Collisional effects in weakly collisional plasmas: nonlinear electrostatic waves and recurrence phenomena. AGU Fall Meeting 2015, December 14 – 18 2015. San Francisco (CA), The United States.
[1] O. Pezzi, F. Valentini and P. Veltri. Nonlinear regime of electrostatic waves propagation in presence of electron-electron collisions. Solar Heliospheric and Interplanetary Environment (SHINE), July 5 – 10 2015. Stowe (VT), The United States.