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Publikováno v:
A&A 585, A95 (2016)
The aim of this work is to investigate and characterise particle behaviour in a 3D magnetohydrodynamic (MHD) model of a reconnecting magnetic separator. We use a relativistic guiding-centre test-particle code to investigate electron and proton accele
Externí odkaz:
http://arxiv.org/abs/1510.04215
Publikováno v:
A&A 587, A4 (2016)
The aim of this work is to investigate and characterise particle behaviour in an (observationally-driven) 3D MHD model of the solar atmosphere above a slowly evolving, non-flaring active region. We use a relativistic guiding-centre particle code to i
Externí odkaz:
http://arxiv.org/abs/1510.04211
Autor:
Sun, J. Q., Cheng, X., Ding, M. D., Guo, Y., Priest, E. R., Parnell, C. E., Edwards, S. J., Zhang, J., Chen, P. F., Fang, C.
Magnetic reconnection, a change of magnetic field connectivity, is a fundamental physical process in which magnetic energy is released explosively. It is responsible for various eruptive phenomena in the universe. However, this process is difficult t
Externí odkaz:
http://arxiv.org/abs/1506.08255
Publikováno v:
Phil. Trans. R. Soc. A 2015 373 20140264; Published 20 April 2015
Magnetic fields permeate the entire solar atmosphere weaving an extremely complex pattern on both local and global scales. In order to understand the nature of this tangled web of magnetic fields, its magnetic skeleton, which forms the boundaries bet
Externí odkaz:
http://arxiv.org/abs/1505.05701
Publikováno v:
A&A 573, A44 (2015)
Separators, which are in many ways the three-dimensional equivalent to two-dimensional nulls, are important sites for magnetic reconnection. Magnetic reconnection occurs in strong current layers which have very short length scales. The aim of this wo
Externí odkaz:
http://arxiv.org/abs/1410.8691
Publikováno v:
A&A 574, A7 (2015)
While the exact acceleration mechanism of energetic particles during solar flares is (as yet) unknown, magnetic reconnection plays a key role both in the release of stored magnetic energy of the solar corona and the magnetic restructuring during a fl
Externí odkaz:
http://arxiv.org/abs/1410.6465
This paper is the third in a series of papers working towards the construction of a realistic, evolving, non-linear force-free coronal field model for the solar magnetic carpet. Here, we present preliminary results of 3D time-dependent simulations of
Externí odkaz:
http://arxiv.org/abs/1303.1342
The sudden reconnection of a non-force free 2D current layer, embedded in a low-beta plasma, triggered by the onset of an anomalous resistivity, is studied in detail. The resulting behaviour consists of two main phases. Firstly, a transient reconnect
Externí odkaz:
http://arxiv.org/abs/1205.2120
The highly dynamical, complex nature of the solar atmosphere naturally implies the presence of waves in a topologically varied magnetic environment. Here, the interaction of waves with topological features such as null points is inevitable and potent
Externí odkaz:
http://arxiv.org/abs/1202.3648