Squeezed state of an electron cloud as a “quasi-neutral” one-component plasma
We present a one-dimensional model, which gives a novel physical interpretation to the specific state of an ensemble of electrons continuously injected into an electrostatic potential well immersed in a strong applied magnetic field preventing radial expansion. When the space-charge field of the ele...
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| Veröffentlicht in: | Physics of plasmas 2021-07, Vol.28 (7) |
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| container_title | Physics of plasmas |
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| creator | Bliokh, Y. Leopold, J. G. Krasik, Ya. E. |
| description | We present a one-dimensional model, which gives a novel physical interpretation to the specific state of an ensemble of electrons continuously injected into an electrostatic potential well immersed in a strong applied magnetic field preventing radial expansion. When the space-charge field of the electrons accumulated in the potential well compensates the external electrostatic field, a force-free steady-state of the electron cloud forms. This state of equilibrium is known in another context as a squeezed state of an electron beam. It is shown that the spatial distribution of the electron number density in this steady-state correlates with the shape of the potential well. Perturbations of the steady-state propagate along the electron cloud in the form of Trivelpiece–Gould modes. |
| doi_str_mv | 10.1063/5.0056881 |
| format | Article |
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Perturbations of the steady-state propagate along the electron cloud in the form of Trivelpiece–Gould modes.</description><subject>Electric fields</subject><subject>Electron beams</subject><subject>Electron clouds</subject><subject>One dimensional models</subject><subject>Perturbation</subject><subject>Plasma physics</subject><subject>Spatial distribution</subject><subject>Squeezed states (quantum theory)</subject><subject>Steady state</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp90MtKw0AUBuBBFKzVhW8w4Eoh9UwytyyleIOCiAruhslkBlLSTDqTCLrqg-jL9UlMadGF4Oqcxcd_OD9CpwQmBHh2ySYAjEtJ9tCIgMwTwQXd3-wCEs7p6yE6inEOAJQzOUKPT8ve2g9b4tjpzmLvsG6wra3pgm-wqX1fYh2xxuvV57LXsUoa23dB1-vVF_aNTYxftMNsOtzWOi70MTpwuo72ZDfH6OXm-nl6l8webu-nV7PEZDztEidyl4HhKXVaFozIknPLaV4A5CUIBoRJkJo4VxomCsmkoJRxK1PKhdY8G6OzbW4b_PBD7NTc96EZTqqUMZJJClk-qPOtMsHHGKxTbagWOrwrAmrTmGJq19hgL7Y2mmooo_LND37z4ReqtnT_4b_J361pelI</recordid><startdate>202107</startdate><enddate>202107</enddate><creator>Bliokh, Y.</creator><creator>Leopold, J. 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| ispartof | Physics of plasmas, 2021-07, Vol.28 (7) |
| issn | 1070-664X 1089-7674 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_5_0056881 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Electric fields Electron beams Electron clouds One dimensional models Perturbation Plasma physics Spatial distribution Squeezed states (quantum theory) Steady state |
| title | Squeezed state of an electron cloud as a “quasi-neutral” one-component plasma |
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