"Efimov state" meaning in English

{
  "etymology_text": "Named after Russian theoretical physicist Vitaly Efimov.",
  "forms": [
    {
      "form": "Efimov states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Efimov state (plural Efimov states)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Quantum mechanics",
          "orig": "en:Quantum mechanics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Each of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold."
      ],
      "id": "en-Efimov_state-en-noun-j6OT6nRX",
      "links": [
        [
          "quantum mechanics",
          "quantum mechanics"
        ],
        [
          "bound state",
          "bound state"
        ],
        [
          "boson",
          "boson"
        ]
      ],
      "qualifier": "quantum mechanics",
      "raw_glosses": [
        "(quantum mechanics) Each of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold."
      ],
      "wikipedia": [
        "Vitaly Efimov"
      ]
    }
  ],
  "word": "Efimov state"
}

{
  "etymology_text": "Named after Russian theoretical physicist Vitaly Efimov.",
  "forms": [
    {
      "form": "Efimov states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Efimov state (plural Efimov states)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Quantum mechanics"
      ],
      "glosses": [
        "Each of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold."
      ],
      "links": [
        [
          "quantum mechanics",
          "quantum mechanics"
        ],
        [
          "bound state",
          "bound state"
        ],
        [
          "boson",
          "boson"
        ]
      ],
      "qualifier": "quantum mechanics",
      "raw_glosses": [
        "(quantum mechanics) Each of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold."
      ],
      "wikipedia": [
        "Vitaly Efimov"
      ]
    }
  ],
  "word": "Efimov state"
}