Coherence in Open Quantum Systems

Dear Colleagues,

Information on a quantum system can be obtained only when it is observed either by a special measurement device or in a natural manner, in an environment into which the system is embedded. Quantum systems are usually localized in space, meaning that they have a finite extension with a shape characteristic. The environment is, however, infinitely extended. The environment of the open quantum system can, generally, be parametrically varied and allows a parameter dependent study of the properties of quantum systems. Such studies are now performed theoretically, as well as experimentally, on very different open quantum systems. They allow us to obtain valuable information on quantum physics.

The aim of the present Special Issue is to discuss different theoretical, as well as experimental, results characteristic of open quantum systems. In order to underline their meaning, a few results that are characteristic of other systems (including classical systems and optics) will also be considered. Of special interest are, among others, the following topics: Singular points and their influence on the dynamics of open systems; eigenvalues and eigenfunctions of a non-Hermitian Hamilton operator describing an open quantum system; formation of aggregates in small systems; nonadiabatic processes in open quantum systems; transmission through quantum dots; and photosynthesis.

Prof. Dr. Hichem Eleuch
Prof. Dr. Ingrid Rotter
Guest Editors

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