| Автор | Yu I Heller |
| Автор | V S Malinovsky |
| Автор | D A Shapiro |
| Дата выпуска | 1986-05-28 |
| dc.description | The analogy between the evolution of a quasi-closed (decaying) two-level quantum system and the relativistic spin-<sup>1</sup>/<sub>2</sub> motion in electric and magnetic fields is shown. The non-stationary equations for the 4-vector of a pseudo-spin describing the two-level system evolution are derived. In contrast with the well known three-dimensional model, the description is valid for arbitrary relaxation constant relations. In some limits the four-dimensional equations reduce to the optical Bloch ones. The 'energetic space' Lorentz invariance allows one to describe all possible solutions. Simple approximate quasi-stationary solutions are given for dephasing collisions and the region of their validity is determined. The Lorentz invariance of a Schrodinger equation with a non-Hermitian Hamiltonian is found and a set of four-component orthogonal eigenstates of the Dirac-type is constructed. Several examples of the utilisation of the four-dimensional formalism in laser-induced autoionisation, optics of anisotropic media, magnetic phenomena and K<sub>0</sub> meson, decay are present. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Four-dimensional vector theory of interaction and decay of two quasi-stationary states |
| Тип | paper |
| DOI | 10.1088/0022-3700/19/10/012 |
| Print ISSN | 0022-3700 |
| Журнал | Journal of Physics B: Atomic and Molecular Physics |
| Том | 19 |
| Первая страница | 1425 |
| Последняя страница | 1435 |
| Аффилиация | Yu I Heller; L.V. Kirensky Inst. of Phys., Acad. of Sci., Krasnoyarsk, USSR |
| Аффилиация | V S Malinovsky; L.V. Kirensky Inst. of Phys., Acad. of Sci., Krasnoyarsk, USSR |
| Аффилиация | D A Shapiro; L.V. Kirensky Inst. of Phys., Acad. of Sci., Krasnoyarsk, USSR |
| Выпуск | 10 |
