The first experimental evidence of anisotropic electron energization during magnetic reconnection that favors a direction perpendicular to the guide magnetic field in a toroidal, magnetically confined plasma is reported in this Letter. Magnetic reconnection plays an important role in particle heating, energization, and transport in space and laboratory plasmas. In toroidal devices like the Madi...

In this paper, we compare two diflennt criteria for the trafic restoration process at a node in a wide area communication network. The issue of the timing of the reconnection is compared with the issue of ordering the virtual circuits that need reconnection. In the first scheme, an algorithm is developed to minimize the amount of time the network is congested while the latter scheme tries to mi...

Dynamical process of magnetic reconnection controlled by multi-scale physics is investigated using a series of numerical simulation models developed for the analysis of magnetic reconnection in open systems. Two dissipation regions with different spatial scales are formed inside the kinetic regime and a new force balance state is realized there through the combined action of the Hall effect and...

Particle-in-cell simulations of collisionless magnetic reconnection are presented that demonstrate that reconnection remains fast in very large systems. The electron dissipation region develops a distinct two-scale structure along the outflow direction. Consistent with fast reconnection, the length of the electron current layer stabilizes and decreases with decreasing electron mass, approaching...

alfvén waves dissipation is an extensively studied mechanism for the coronal heating problem. these waves can be generated by magnetic reconnection and propagated along the reconnected field lines. here, we study the generation of alfvén waves at the presence of both steady flow and sheared magnetic field in the longitudinally density stratified of solar spicules. the initial flow is assumed to...

I present a novel view on the problem of solar coronal heating. In my picture, coronal heating should be viewed as a self-regulating process that works to keep the coronal plasma marginally collisionless. The self-regulating mechanism is based on the interplay between two effects: (1) Plasma density controls coronal energy release via the transition between the slow collisional Sweet-Parker reg...

A global MHD simulation of an isolated substorm that occurred on March 9, 1995 is presented. The simulation, driven with solar wind data provided by the Wind satellite, reproduced to a surprising degree the evolution of substorm activity. The onset of the expansion phase was coincident with the penetration of an electric field spike into the nearEarth region. This impulse launched a tailward pr...

A method is presented which allows estimation of the variation of the rate of magnetic reconnection at the dayside magnetopause. This is achieved using observations of the cusp particle precipitation made by low-altitude polar-orbiting spacecraft. In this paper we apply the technique to a previously published example of a cusp intersection by the DMSP F7 satellite. It is shown that the cusp sig...

The conventional definition of reconnection rate as the electric field parallel to an x-line is problematic in global MHD simulations for several reasons: the x-line itself may be hard to find in a non-trivial geometry such as at the magnetopause, and the lack of realistic resistivity modelling leaves us without reliable non-convective electric field. In this article we describe reconnection ch...

Articles you may be interested in Bulk ion acceleration and particle heating during magnetic reconnection in a laboratory plasmaa) The influence of intense electric fields on three-dimensional asymmetric magnetic reconnection Publisher's Note: " Three-dimensional reconnection and relaxation of merging spheromak plasmas " [Phys. Magnetohydrodynamic study of three-dimensional instability of the s...