Search Results - "Biancalani, A"
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Orb5: A global electromagnetic gyrokinetic code using the PIC approach in toroidal geometry
Published in Computer physics communications (01-06-2020)“…This paper presents the current state of the global gyrokinetic code Orb5 as an update of the previous reference (Jolliet et al., 2007). The Orb5 code solves…”
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2
Transport barriers associated to the resonant interaction between trapped particle modes triggered by plasma polarization injection
Published in Europhysics letters (01-07-2017)“…This letter explores the parametric excitation of low-frequency zonal flow induced by the beating of collisionless trapped ion and trapped electrons modes…”
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Gyrokinetic modelling of non-linear interaction of Alfvén waves and EGAMs in ASDEX-Upgrade
Published in Nuclear fusion (01-12-2023)“…Abstract Energetic particle (EP) dynamics and excitation of EP driven instabilities is an important topic of study for the physics of fusion reactors. In this…”
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4
Combined action of phase-mixing and Landau damping causing strong decay of geodesic acoustic modes
Published in Europhysics letters (01-07-2016)“…We report evidence of a new mechanism able to damp very efficiently geodesic acoustic mode (GAM) in the presence of a nonuniform temperature profile in a…”
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5
Observation of explosive collisionless reconnection in 3D nonlinear gyrofluid simulations
Published in Europhysics letters (01-01-2012)“…The nonlinear dynamics of collisionless reconnecting modes is investigated, in the framework of a three-dimensional gyrofluid model. The collisionless regime…”
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6
Cherenkov emission of electron-cyclotron waves by a magnetized satellite orbiting the ionosphere
Published in Journal of Geophysical Research: Space Physics (01-09-2010)“…The emission of waves via Cherenkov effect is studied for a satellite orbiting the ionosphere and interacting actively with the surrounding plasma via a dipole…”
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7
Radiation of plasma waves by a conducting body moving through a magnetized plasma
Published in Journal of Geophysical Research. B. Solid Earth (05-03-2010)“…The emission of plasma waves by a conducting body orbiting the ionosphere is considered. The case of an infinitely long and infinitely thin tether is discussed…”
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8
Pullback scheme implementation in ORB5
Published in Computer physics communications (01-05-2019)“…The pullback scheme is implemented in the global gyrokinetic particle-in-cell code ORB5 (Jolliet et al., 2007[1]) to mitigate the cancellation problem in…”
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9
Implementation of energy transfer technique in ORB5 to study collisionless wave-particle interactions in phase-space
Published in Computer physics communications (01-05-2021)“…A new diagnostic has been developed to investigate the wave-particle interaction in the phase-space in gyrokinetic particle-in-cell codes. Keeping information…”
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10
Orb5: A global electromagnetic gyrokinetic code using the PIC approach in toroidal geometry
Published in Computer physics communications (30-11-2019)“…This paper presents the current state of the global gyrokinetic code Orb5 as an update of the previous reference [Jolliet et al., Comp. Phys. Commun. 177 409…”
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11
A locked mode indicator for disruption prediction on JET and ASDEX upgrade
Published in Fusion engineering and design (01-01-2019)“…The aim of this paper is to present a signal processing algorithm that, applied to the raw Locked Mode signal, allows us to obtain a disruption indicator in…”
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12
Phase and amplitude evolution in the network of triadic interactions of the Hasegawa-Wakatani system
Published 19-02-2022“…Hasegawa-Wakatani system, commonly used as a toy model of dissipative drift waves in fusion devices is revisited with considerations of phase and amplitude…”
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13
Effect of the electron redistribution on the nonlinear saturation of Alfv\'en eigenmodes and the excitation of zonal flows
Published 04-11-2019“…Numerical simulations of Alfv\'en modes (AM) driven by energetic particles are performed with the GK global PIC code ORB5. A reversed shear equilibrium…”
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14
Nonlinear interaction of Alfv\'enic instabilities and turbulence via the modification of the equilibrium profiles
Published 28-06-2023“…Nonlinear simulations of Alfv\'en modes (AM) driven by energetic particles (EP) in the presence of turbulence are performed with the gyrokinetic…”
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15
Nonlinear velocity redistribution caused by energetic-particle-driven geodesic acoustic modes, mapped with the beam-plasma system
Published 20-08-2018“…The nonlinear dynamics of energetic particle (EP) driven geodesic acoustic modes (EGAM) in tokamaks is investigated, and compared with the beam-plasma system…”
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16
Effect of temperature anisotropy on the dynamics of geodesic acoustic modes
Published 11-10-2022“…In this work, we revisit the linear gyro-kinetic theory of geodesic acoustic modes (GAMs) and derive a general dispersion relation for an arbitrary equilibrium…”
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17
Gyrokinetic particle-in-cell simulations of electromagnetic turbulence in the presence of fast particles and global modes
Published 22-03-2022“…Global simulations of electromagnetic turbulence, collisionless tearing modes, and Alfven Eigenmodes in the presence of fast particles are carried out using…”
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18
Gyrokinetic investigation of the nonlinear interaction of Alfv\'en instabilities and energetic-particle driven geodesic acoustic modes
Published 05-03-2021“…This paper presents a study of the interaction between Alfv\'en modes and zonal structures, considering a realistic ASDEX Upgrade equilibrium. The results of…”
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19
Gyrokinetic investigation of Alfv\'en instabilities in the presence of turbulence
Published 19-12-2019“…The global and electromagnetic gyrokinetic particle-in-cell code ORB5 is employed to investigate the self-consistent interactions between Alfv\'en modes (AM)…”
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20
Gyrokinetic investigation of Alfv\'en instabilities in the presence of turbulence
Published 19-10-2020“…The nonlinear dynamics of beta-induced Alfv\'en Eigenmodes (BAE) driven by energetic particles (EP) in the presence of ion-temperature-gradient (ITG)…”
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