Non-real eigenvalues of the harmonic oscillator perturbed by an odd, two-point interaction
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DOI: 10.1063/1.5139901
Abstract: We consider the perturbations of the harmonic oscillator operator by an odd pair of point interactions, z(δx−b−δx+b). The spectrum of such operators is analyzed as a set of roots of the properly constructed entire (meromorphic)… read more here.
Keywords: real eigenvalues; harmonic oscillator; point; non real ... See more keywords
Verified Error Bounds for Real Eigenvalues of Real Symmetric and Persymmetric Matrices
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DOI: 10.1155/2020/9240852
Abstract: This paper mainly investigates the verification of real eigenvalues of the real symmetric and persymmetric matrices. For a real symmetric or persymmetric matrix, we use eig code in Matlab to obtain its real eigenvalues on… read more here.
Keywords: real symmetric; eigenvalues real; real eigenvalues; error ... See more keywords