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arXiv 1502.02694quant-ph
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非厄米哈密顿量与相似变换

Non-Hermitian Hamiltonians and similarity transformations

Francisco M. Fernández

摘要:

我们表明,相似(或等价)的变换,使人们能够构建非厄米特运营商与真正的频谱。这样,我们也可以证明和推广其他作者所得到的结果,通过规范样变换及其推广。这种相似变换也以简单而直接的方式揭示了与伪厄米性的联系。此外,我们考虑了三参数非厄米振子的正负本征值。

英文摘要:

We show that similarity (or equivalent) transformations enable one to construct non-Hermitian operators with real spectrum. In this way we can also prove and generalize the results obtained by other authors by means of a gauge-like transformation and its generalization. Such similarity transformations also reveal the connection with pseudo-Hermiticity in a simple and straightforward way. In addition to it we consider the positive and negative eigenvalues of a three-parameter non-Hermitian oscillator.

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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