可约规范理论的量子规范对称性
Quantum gauge symmetry of reducible gauge theory
摘要：
导出了讨论量子规范自由的可约规范理论--Kalb-Ramond场论的规范形式。在规范形式主义中，理论承认量子规范对称性，这使得作用量形式不变。研究了BRST对称规范场形式，引入了规范鬼场和鬼场的规范鬼。利用BRST对称性的优点，用一个Kugo-Ojima型条件代替Yokoyama型条件。在广义BRST变换下，我们证明了规范场在可约规范理论中自然出现。
英文摘要：
We derive the gaugeon formalism of the Kalb-Ramond field theory, a reducible gauge theory, which discusses the quantum gauge freedom. In gaugeon formalism, theory admits quantum gauge symmetry which leaves the action form-invariant. The BRST symmetric gaugeon formalism is also studied which introduces the gaugeon ghost fields and gaugeon ghosts of ghosts fields. To replace the Yokoyama subsidiary conditions by a single Kugo-Ojima type condition the virtue of BRST symmetry is utilized. Under generalized BRST transformations, we show that the gaugeon fields appear naturally in the reducible gauge theory.
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