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arXiv 0910.5017math-phmath.MP
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PT-不变性与不定度量

PT-Invariance and Indefinite Metric

Scott Chapman

摘要:

本文给出了非厄米PT不变虚耦合三次振子实本征值的一个新的证明。证明包括两个步骤。在第一步中,它表明,对于许多PT不变的哈密顿量,可以定义相应的厄米特哈密顿量,具有相同的特征值时,使用不定度量量化。第二步是证明厄米特三次振子的不定度规本征值是实的,因为它的本征态的范数不为零。作为确定某些超对称规范理论真空稳定性的一种方法,进一步讨论了PT不变哈密顿量和不定度规厄米哈密顿量之间的对应关系。

英文摘要:

A new proof is given for why the non-Hermitian, PT-Invariant cubic oscillator with imaginary coupling has real eigenvalues. The proof consists of two steps. In the first step, it is shown that for many PT-Invariant Hamiltonians, one can define corresponding Hermitian Hamiltonians that have the same eigenvalues when quantized using indefinite metric. The second step is to show that the indefinite-metric eigenvalues of the Hermitian cubic oscillator are real since the norms of its eigenstates do not vanish. The correspondence between PT-Invariant Hamiltonians and indefinite-metric Hermitian Hamiltonians is further discussed as a way to determine vacuum stability for certain supersymmetric gauge theories.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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