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        "quote": "虽然 $\\mathcal { F } _ { d } ^ { + }$ 作为 Clifford 代数的表示是不可约的，但它是 $S p i n ( 2 d )$ 的两个不可约表示之和，即所谓的“[<u class=\"concept-term\" data-concept-reference=\"concepts/representation-theory/half-spinor-representation\" data-concept-identity=\"urn:uuid:7e960f07-0efa-4408-a191-ffe41c9395fe\" data-concept-route=\"/concept-identities#concept-7e960f07-0efa-4408-a191-ffe41c9395fe\" id=\"first-a7597379e4449efd95e7-zh\">半旋量(half-spinor)</u>](../../../../../concepts/representation-theory/half-spinor-representation)”表示。$S p i n ( 2 d )$ 由 Clifford 代数生成元的二次组合生成，因此这些组合将保持这些子空间不变。",
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