{
  "annotation_id": "82cbe7a1-d88d-487a-9eab-11c120daada8",
  "date_created": "2026-03-02T18:00:49.858000Z",
  "date_modified": "2026-03-02T18:00:49.858000Z",
  "file_hash": "aa5362e8357381188d0780f70caf1f79d76e5bb04b17a5075d33cea435d3da3b",
  "private": false,
  "record": {
    "abstract": "Theoretical and numerical studies are presented of the amplitude modulation\nof electron-acoustic waves (EAWs) propagating in space plasmas whose\nconstituents are inertial cold electrons, Boltzmann distributed hot electrons\nand stationary ions. Perturbations oblique to the carrier EAW propagation\ndirection have been considered. The stability analysis, based on a nonlinear\nSchroedinger equation (NLSE), reveals that the EAW may become unstable; the\nstability criteria depend on the angle $\\theta$ between the modulation and\npropagation directions. Different types of localized EA excitations are shown\nto exist.",
    "arxiv_id": "physics/0402055",
    "authors": [
      "I. Kourakis",
      "P. K. Shukla"
    ],
    "categories": [
      "physics.space-ph",
      "physics.plasm-ph"
    ],
    "doi": "10.1103/PhysRevE.69.036411",
    "title": "Electron-acoustic plasma waves: oblique modulation and envelope solitons",
    "url": "https://arxiv.org/abs/physics/0402055"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ec91e044-a804-48d9-b5fe-a04052a1d842",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}