Electrostatic instabilities in a mirror trap revisited

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Electrostatic instabilities in a mirror trap revisited. / Kotelnikov, Igor A.; Chernoshtanov, Ivan S.; Prikhodko, Vadim V.

In: Physics of Plasmas, Vol. 24, No. 12, 122512, 01.12.2017.

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

BibTeX

@article{8023dd217d754efe8b7c56e2ceceaf66,

title = "Electrostatic instabilities in a mirror trap revisited",

abstract = "The conditions for the stabilization of the Drift-Cyclotron Loss-Cone (DCLC) and Double-Humped (DH) microinstabilities in a mirror trap are critically revisited assuming the plasma is confined in the kinetic regime, which is characterized by an empty loss cone. The temperature of warm ions, necessary for stabilization of the DH instability, is calculated. The fraction of warm ions necessary to stabilize the DCLC instability at a given radial density gradient is calculated. Assuming the wavelength is much shorter than the Larmor radius, a simple criterion for the stability of drift-cyclotron loss-cone oscillations is derived whose accuracy is verified by comparison with the solution of the exact dispersion equation and with known experimental data obtained in the past decades in PR-6, 2XII, 2XIIB, TMX, and TMX-U devices for plasma confinement.",

keywords = "LOSS-CONE INSTABILITY, CYCLOTRON INSTABILITY, CONFINED PLASMA, FINITE-BETA, TMX-U, STABILIZATION, MACHINES, FUSION, MODE, WAVES",

author = "Kotelnikov, {Igor A.} and Chernoshtanov, {Ivan S.} and Prikhodko, {Vadim V.}",

note = "Publisher Copyright: {\textcopyright} 2017 Author(s).",

year = "2017",

month = dec,

day = "1",

doi = "10.1063/1.5013059",

language = "English",

volume = "24",

journal = "Physics of Plasmas",

issn = "1070-664X",

publisher = "American Institute of Physics",

number = "12",

}

RIS

TY - JOUR

T1 - Electrostatic instabilities in a mirror trap revisited

AU - Kotelnikov, Igor A.

AU - Chernoshtanov, Ivan S.

AU - Prikhodko, Vadim V.

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The conditions for the stabilization of the Drift-Cyclotron Loss-Cone (DCLC) and Double-Humped (DH) microinstabilities in a mirror trap are critically revisited assuming the plasma is confined in the kinetic regime, which is characterized by an empty loss cone. The temperature of warm ions, necessary for stabilization of the DH instability, is calculated. The fraction of warm ions necessary to stabilize the DCLC instability at a given radial density gradient is calculated. Assuming the wavelength is much shorter than the Larmor radius, a simple criterion for the stability of drift-cyclotron loss-cone oscillations is derived whose accuracy is verified by comparison with the solution of the exact dispersion equation and with known experimental data obtained in the past decades in PR-6, 2XII, 2XIIB, TMX, and TMX-U devices for plasma confinement.

AB - The conditions for the stabilization of the Drift-Cyclotron Loss-Cone (DCLC) and Double-Humped (DH) microinstabilities in a mirror trap are critically revisited assuming the plasma is confined in the kinetic regime, which is characterized by an empty loss cone. The temperature of warm ions, necessary for stabilization of the DH instability, is calculated. The fraction of warm ions necessary to stabilize the DCLC instability at a given radial density gradient is calculated. Assuming the wavelength is much shorter than the Larmor radius, a simple criterion for the stability of drift-cyclotron loss-cone oscillations is derived whose accuracy is verified by comparison with the solution of the exact dispersion equation and with known experimental data obtained in the past decades in PR-6, 2XII, 2XIIB, TMX, and TMX-U devices for plasma confinement.

KW - LOSS-CONE INSTABILITY

KW - CYCLOTRON INSTABILITY

KW - CONFINED PLASMA

KW - FINITE-BETA

KW - TMX-U

KW - STABILIZATION

KW - MACHINES

KW - FUSION

KW - MODE

KW - WAVES

UR - http://www.scopus.com/inward/record.url?scp=85040185279&partnerID=8YFLogxK

U2 - 10.1063/1.5013059

DO - 10.1063/1.5013059

M3 - Article

AN - SCOPUS:85040185279

VL - 24

JO - Physics of Plasmas

JF - Physics of Plasmas

SN - 1070-664X

IS - 12

M1 - 122512

ER -

ID: 9075320