dorsal/arxiv
View SchemaOn some generalized stopping power sum rules
| Authors | Hrachya B. Nersisyan, Amal K. Das |
|---|---|
| Categories | |
| ArXiv ID | physics/0106034 |
| URL | https://arxiv.org/abs/physics/0106034 |
| DOI | 10.1016/S0375-9601(02)00250-5 |
Abstract
The Lindhard-Winther (LW) equipartition sum rule shows that within the linear response theory, the stopping power of an energetic point-charge projectile in a degenerate electron gas medium, receives equal contributions from single-particle and collective excitations in the medium. In this paper we show that the LW sum rule does not necessarily hold for an extended projectile ion and for ion-clusters moving in a fully degenerate electron gas. We have derived a generalized equipartition sum rule and some related sum rules for this type of projectiles. We also present numerical plots for He$^{+}$ ion and He$^{+}$ ion-clusters.
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"abstract": "The Lindhard-Winther (LW) equipartition sum rule shows that within the linear\nresponse theory, the stopping power of an energetic point-charge projectile in\na degenerate electron gas medium, receives equal contributions from\nsingle-particle and collective excitations in the medium. In this paper we show\nthat the LW sum rule does not necessarily hold for an extended projectile ion\nand for ion-clusters moving in a fully degenerate electron gas. We have derived\na generalized equipartition sum rule and some related sum rules for this type\nof projectiles. We also present numerical plots for He$^{+}$ ion and He$^{+}$\nion-clusters.",
"arxiv_id": "physics/0106034",
"authors": [
"Hrachya B. Nersisyan",
"Amal K. Das"
],
"categories": [
"physics.plasm-ph"
],
"doi": "10.1016/S0375-9601(02)00250-5",
"title": "On some generalized stopping power sum rules",
"url": "https://arxiv.org/abs/physics/0106034"
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