Is Weak Pseudo-Hermiticity Weaker than Pseudo-Hermiticity?
量子物理
2015-06-26 v3
摘要
For a weakly pseudo-Hermitian linear operator, we give a spectral condition that ensures its pseudo-Hermiticity. This condition is always satisfied whenever the operator acts in a finite-dimensional Hilbert space. Hence weak pseudo-Hermiticity and pseudo-Hermiticity are equivalent in finite-dimensions. This equivalence extends to a much larger class of operators. Quantum systems whose Hamiltonian is selected from among these operators correspond to pseudo-Hermitian quantum systems possessing certain symmetries.
引用
@article{arxiv.quant-ph/0605110,
title = {Is Weak Pseudo-Hermiticity Weaker than Pseudo-Hermiticity?},
author = {Ali Mostafazadeh},
journal= {arXiv preprint arXiv:quant-ph/0605110},
year = {2015}
}
备注
published version, 10 pages