Particle motion and currents in the neutral sheet of the magnetospheric tail

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Particle motion and currents in the neutral sheet of the magnetospheric tail. / Pudovkin, M. I.; Tsyganenko, N. A.

In: Planetary and Space Science, Vol. 21, No. 11, 01.01.1973, p. 2027-2037.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{b5aa014c7ef4454fbdbd89e3f37fb9d4,

title = "Particle motion and currents in the neutral sheet of the magnetospheric tail",

abstract = "The trajectories of plasma-sheet protons are computed numerically in magnetic-field models which simulate the neutral-sheet-type configuration observed in experiments. No electric field is included, in contrast with the reconnection theory. Entering the neutral sheet and then exiting from it, the particle performs an ordered displacement across the tail. A continuous interchange between the neutral and plasma sheets will give rise to an electric current which may be responsible for the observed magnetic-field configuration. An estimate of this current is made from the tension balance requirement, showing that a substantial anisotropy of the plasma-sheet pressure is necessary to maintain the steady state. It is shown that the neutral sheet itself can be a source of such an anisotropy, due to the non-adiabatic behaviour of protons. Other anisotropy origins are discussed briefly.",

keywords = "magnetosphere, Magnetospheric configuration and dynamics, MAGNETOTAIL CURRENT SHEET, plasma particles",

author = "Pudovkin, {M. I.} and Tsyganenko, {N. A.}",

year = "1973",

month = jan,

day = "1",

doi = "10.1016/0032-0633(73)90131-1",

language = "English",

volume = "21",

pages = "2027--2037",

journal = "Planetary and Space Science",

issn = "0032-0633",

publisher = "Elsevier",

number = "11",

}

RIS

TY - JOUR

T1 - Particle motion and currents in the neutral sheet of the magnetospheric tail

AU - Pudovkin, M. I.

AU - Tsyganenko, N. A.

PY - 1973/1/1

Y1 - 1973/1/1

N2 - The trajectories of plasma-sheet protons are computed numerically in magnetic-field models which simulate the neutral-sheet-type configuration observed in experiments. No electric field is included, in contrast with the reconnection theory. Entering the neutral sheet and then exiting from it, the particle performs an ordered displacement across the tail. A continuous interchange between the neutral and plasma sheets will give rise to an electric current which may be responsible for the observed magnetic-field configuration. An estimate of this current is made from the tension balance requirement, showing that a substantial anisotropy of the plasma-sheet pressure is necessary to maintain the steady state. It is shown that the neutral sheet itself can be a source of such an anisotropy, due to the non-adiabatic behaviour of protons. Other anisotropy origins are discussed briefly.

AB - The trajectories of plasma-sheet protons are computed numerically in magnetic-field models which simulate the neutral-sheet-type configuration observed in experiments. No electric field is included, in contrast with the reconnection theory. Entering the neutral sheet and then exiting from it, the particle performs an ordered displacement across the tail. A continuous interchange between the neutral and plasma sheets will give rise to an electric current which may be responsible for the observed magnetic-field configuration. An estimate of this current is made from the tension balance requirement, showing that a substantial anisotropy of the plasma-sheet pressure is necessary to maintain the steady state. It is shown that the neutral sheet itself can be a source of such an anisotropy, due to the non-adiabatic behaviour of protons. Other anisotropy origins are discussed briefly.

KW - magnetosphere

KW - Magnetospheric configuration and dynamics

KW - MAGNETOTAIL CURRENT SHEET

KW - plasma particles

UR - http://www.scopus.com/inward/record.url?scp=0039092955&partnerID=8YFLogxK

U2 - 10.1016/0032-0633(73)90131-1

DO - 10.1016/0032-0633(73)90131-1

M3 - Article

AN - SCOPUS:0039092955

VL - 21

SP - 2027

EP - 2037

JO - Planetary and Space Science

JF - Planetary and Space Science

SN - 0032-0633

IS - 11

ER -

ID: 33903537