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Electron-hose instability in the ion-focused regime
Abstract
A relativistic electron beam propagating through an ummagnetized, underdense plasma exhibits a transverse instability due to the coupling of the beam centroid to plasma electrons at the ``ion-channel'' edge. The transverse wake field corresponding to this ``electron-hose'' effect is calculated in the ``frozen-field'' approximation for a low-current, cylindrical beam in a radially infinite plasma. The asymptotic growth of beam-centroid oscillations is computed, and the growth length is found to be very rapid, indeed much less than the betatron period of the beam. Results for a radially finite plasma and for a slab beam are noted. Damping and saturation mechanisms are discussed.
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Citations
Cited by
Overview of plasma-based accelerator concepts
Esarey, E., Sprangle, P., Krall, J., & Ting, A. (1996) · IEEE Transactions on Plasma Science · doi:10.1109/27.509991 · Cited by 1,238
Acceleration and focusing of electrons in two-dimensional nonlinear plasma wake fields
Rosenzweig, J. B., Breizman, B., Katsouleas, T., & Su, J. J. (1991) · Physical Review A · doi:10.1103/physreva.44.r6189 · Cited by 419
Metadata
- Authors
- Whittum, D. H., Sharp, W. M., Yu, S. S., Lampe, M., & Joyce, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1991-08-19
- Volume
- 67
- Issue
- 8
- Pages
- 991-994
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1996633211
- Cited by
- 161
- References
- 0
- FWCI
- 21.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Electron-hose instability in the ion-focused regime. https://app.cochat.ai/papers/10.1103/physrevlett.67.991
- The paper
- Whittum, D. H., Sharp, W. M., Yu, S. S., Lampe, M., & Joyce, G. (1991). Electron-hose instability in the ion-focused regime. Physical Review Letters. https://doi.org/10.1103/physrevlett.67.991
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