Complex energies of open one-dimensional disordered wires
| Autor: | Felix M. Izrailev, J. A. Méndez-Bermúdez, I. F. Herrera-González |
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| Rok vydání: | 2019 |
| Předmět: |
Physics
Coupling strength Diagonal Condensed Matter Physics 01 natural sciences Atomic and Molecular Physics and Optics Uncorrelated 010305 fluids & plasmas Electronic Optical and Magnetic Materials symbols.namesake Quantum mechanics 0103 physical sciences symbols 010306 general physics Hamiltonian (quantum mechanics) Complex plane Eigenvalues and eigenvectors |
| Zdroj: | Physica E: Low-dimensional Systems and Nanostructures. 110:59-67 |
| ISSN: | 1386-9477 |
| DOI: | 10.1016/j.physe.2019.02.015 |
| Popis: | We study statistical properties of complex eigenvalues of a non-Hermitian Hamiltonian describing open one-dimensional (1D) models with various types of diagonal disorder. We consider the case of 1D tight-binding wires, with both on-site uncorrelated and correlated disorder, coupled to the continuum through leads attached to the wire edges. In particular, we focus on the location of the eigenvalues in the complex plane as a function of the coupling strength and the disorder strength. Specific interest is paid to the super-radiance transition emerging at the perfect coupling between wire and leads. |
| Databáze: | OpenAIRE |
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