Quadrupole-Induced Resonant-Particle Transport in a Pure Electron Plasma

E. P. Gilson; J. Fajans

doi:10.1103/PhysRevLett.90.015001

Quadrupole-Induced Resonant-Particle Transport in a Pure Electron Plasma

E. P. Gilson, J. Fajans

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

1 Scopus citations

Abstract

Small transverse magnetic quadrupole fields sharply degrade the confinement of non-neutral plasmas held in Malmberg-Penning traps. For example, a quadrupole magnetic field of only [Formula presented] doubles the diffusion rate in a trap with a 100 G axial magnetic field. Larger quadrupole fields noticeably change the shape of the plasma. The transport is greatest at an orbital resonance. These results cast doubt on plans to use magnetic quadrupole neutral atom traps to confine antihydrogen atoms created in double-well positron/antiproton Malmberg-Penning traps.

Original language	English (US)
Pages (from-to)	4
Number of pages	1
Journal	Physical review letters
Volume	90
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.90.015001
State	Published - 2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.90.015001

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abstract = "Small transverse magnetic quadrupole fields sharply degrade the confinement of non-neutral plasmas held in Malmberg-Penning traps. For example, a quadrupole magnetic field of only [Formula presented] doubles the diffusion rate in a trap with a 100 G axial magnetic field. Larger quadrupole fields noticeably change the shape of the plasma. The transport is greatest at an orbital resonance. These results cast doubt on plans to use magnetic quadrupole neutral atom traps to confine antihydrogen atoms created in double-well positron/antiproton Malmberg-Penning traps.",

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year = "2003",

doi = "10.1103/PhysRevLett.90.015001",

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AU - Gilson, E. P.

AU - Fajans, J.

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N2 - Small transverse magnetic quadrupole fields sharply degrade the confinement of non-neutral plasmas held in Malmberg-Penning traps. For example, a quadrupole magnetic field of only [Formula presented] doubles the diffusion rate in a trap with a 100 G axial magnetic field. Larger quadrupole fields noticeably change the shape of the plasma. The transport is greatest at an orbital resonance. These results cast doubt on plans to use magnetic quadrupole neutral atom traps to confine antihydrogen atoms created in double-well positron/antiproton Malmberg-Penning traps.

AB - Small transverse magnetic quadrupole fields sharply degrade the confinement of non-neutral plasmas held in Malmberg-Penning traps. For example, a quadrupole magnetic field of only [Formula presented] doubles the diffusion rate in a trap with a 100 G axial magnetic field. Larger quadrupole fields noticeably change the shape of the plasma. The transport is greatest at an orbital resonance. These results cast doubt on plans to use magnetic quadrupole neutral atom traps to confine antihydrogen atoms created in double-well positron/antiproton Malmberg-Penning traps.

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Quadrupole-Induced Resonant-Particle Transport in a Pure Electron Plasma

Abstract

All Science Journal Classification (ASJC) codes

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