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  • 标题:Atoms and molecules in cavities, from weak to strong coupling in quantum-electrodynamics (QED) chemistry
  • 本地全文:下载
  • 作者:Johannes Flick ; Michael Ruggenthaler ; Heiko Appel
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:2017
  • 卷号:114
  • 期号:12
  • 页码:3026-3034
  • DOI:10.1073/pnas.1615509114
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:In this work, we provide an overview of how well-established concepts in the fields of quantum chemistry and material sciences have to be adapted when the quantum nature of light becomes important in correlated matter–photon problems. We analyze model systems in optical cavities, where the matter–photon interaction is considered from the weak- to the strong-coupling limit and for individual photon modes as well as for the multimode case. We identify fundamental changes in Born–Oppenheimer surfaces, spectroscopic quantities, conical intersections, and efficiency for quantum control. We conclude by applying our recently developed quantum-electrodynamical density-functional theory to spontaneous emission and show how a straightforward approximation accurately describes the correlated electron–photon dynamics. This work paves the way to describe matter–photon interactions from first principles and addresses the emergence of new states of matter in chemistry and material science.
  • 关键词:QED chemistry ; quantum electrodynamical density functional theory ; adiabatic polariton surfaces ; local control ; optimized effective potential
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