Confined Quantum Systems

Dear Colleagues,

Confined quantum systems embrace a wide variety of subjects, ranging from nanostructures—particularly quantum dots, quantum wires, and planar nanostructures, including graphene-based systems—to quantum systems of microscopic scale, such as quantum atomic gases.

Advances in the science of quantum nanostructures over the course of more than twenty years have been remarkable. As a result, confined nanoscale quantum systems already have an outstanding spectrum of applications in various important areas. More recently, studies of quantum phenomena in ultracold atomic gases have seen steadily growing progress and increasing interest, nontrivially involving subjects specific to many other research areas (e.g., polaron physics). Consequently, the optical properties of confined quantum systems represent a great experimental and theoretical interest for their characterization and getting a picture of intrinsic quantum states and collective excitations, which can have significance for potential practical realizations, even including such a fascinating perspective as quantum computing, where a breakthrough is still pending.

The main goal of this Special Issue is to bring together experimental and theoretical studies on the dynamic response of various classes of confined quantum systems and to encourage an interchange of ideas between specialists in different topics of this comprehensive scientific area. The scope of the Issue includes review papers and new original experimental and theoretical results.

Dr. Serghei Klimin
Collection Editor

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• Optical response
• Quantum dots
• Nanostructures
• Quantum gases