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THE HALL'S AND COWLING'S CURRENTS CONTRIBUTION INTO THE WESTWARD AURORAL ELECTROJET DURING SUBSTORM UNLOADING PHASE

В. М. Мишин, L. A. Sapronova, T. I. Saifudinova, Renata Lukianova

Open publisher page 4 citations

Abstract

[1] We estimsted the Hall and Cowling current-caused contributions into the westward auroral electrojet (AEJ-W) during the substorm expansion phase, using data of two substorms. Between other, the data of field-aligned currents (FAC) were used, which were not available in past. As the main result, the major contributions in the unloading AEJ-W were caused by the Hall current that contradict to the conventional model. The physics behind this result is briefly discussed.

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What this paper is about

[1] We estimsted the Hall and Cowling current-caused contributions into the westward auroral electrojet (AEJ-W) during the substorm expansion phase, using data of two substorms. Between other, the data of field-aligned currents (FAC) were used, which were not available in past. As the main result, the major contributions in the unloading AEJ-W were caused by the Hall current that contradict to the conventional model. The physics behind this result is briefly discussed.

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Available abstract

[1] We estimsted the Hall and Cowling current-caused contributions into the westward auroral electrojet (AEJ-W) during the substorm expansion phase, using data of two substorms. Between other, the data of field-aligned currents (FAC) were used, which were not available in past. As the main result, the major contributions in the unloading AEJ-W were caused by the Hall current that contradict to the conventional model. The physics behind this result is briefly discussed.

Key concepts: Substorm, Electrojet, Geophysics, Current (fluid), Physics, Phase (matter), Equatorial electrojet, Geology

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