Atomic and molecular interactions with photons

Definition

Atomic and molecular interactions with photons is the study of the way in which the basic elements of matter interact with packets of electromagnetic energy. This interaction is determined largely by the electronic structure of atoms and molecules; photon absorption or emission is associated with an electron moving from one energy level to another.

Latest Research and Reviews

  • Research | | open

    Many photo-induced processes such as photosynthesis occur in organic molecules, but their femtosecond excited-state dynamics are difficult to track. Here, the authors exploit the element and site selectivity of soft X-ray absorption to sensitively follow the ultrafast ππ*/* electronic relaxation of hetero-organic molecules.

    • T. J. A. Wolf
    • , R. H. Myhre
    • , J. P. Cryan
    • , S. Coriani
    • , R. J. Squibb
    • , A. Battistoni
    • , N. Berrah
    • , C. Bostedt
    • , P. Bucksbaum
    • , G. Coslovich
    • , R. Feifel
    • , K. J. Gaffney
    • , J. Grilj
    • , T. J. Martinez
    • , S. Miyabe
    • , S. P. Moeller
    • , M. Mucke
    • , A. Natan
    • , R. Obaid
    • , T. Osipov
    • , O. Plekan
    • , S. Wang
    • , H. Koch
    •  & M. Gühr
  • Research | | open

    Time resolved measurements provide insights to the intriguing process of ultrafast molecular fragmentation. Here the authors use CEP-locked laser pulses in pump–probe scheme to explore the H2 + dissociation and find out that the electron localization to one of the nuclei occurs in about 15 fs.

    • H. Xu
    • , Zhichao Li
    • , Feng He
    • , X. Wang
    • , A. Atia-Tul-Noor
    • , D. Kielpinski
    • , R. T. Sang
    •  & I. V. Litvinyuk
  • Research | | open

    Capturing ultrafast molecular dynamics is difficult as the process involves coupled and very fast motions of electrons and nuclei. Here the authors study non-adiabatic dynamics in the NO molecule using strong-field photoelectron holography to shed light on the valence-shell electron dynamics.

    • Samuel G. Walt
    • , Niraghatam Bhargava Ram
    • , Marcos Atala
    • , Nikolay I Shvetsov-Shilovski
    • , Aaron von Conta
    • , Denitsa Baykusheva
    • , Manfred Lein
    •  & Hans Jakob Wörner
  • Research | | open

    An exhausting characterization of the coherence properties of quantum system becomes challenging with increasing system size. Here the authors demonstrate that phonon autocorrelation functions and quantum discord can be measured with local control, and validate it in a string of 42 trapped ions.

    • A. Abdelrahman
    • , O. Khosravani
    • , M. Gessner
    • , A. Buchleitner
    • , H. -P. Breuer
    • , D. Gorman
    • , R. Masuda
    • , T. Pruttivarasin
    • , M. Ramm
    • , P. Schindler
    •  & H. Häffner
  • Research |

    Upon exposure to ultra-intense, hard X-ray pulses, polyatomic molecules containing one heavy atom reach a much higher degree of ionization than do individual heavy atoms, contrary to previous assumptions.

    • A. Rudenko
    • , L. Inhester
    • , K. Hanasaki
    • , X. Li
    • , S. J. Robatjazi
    • , B. Erk
    • , R. Boll
    • , K. Toyota
    • , Y. Hao
    • , O. Vendrell
    • , C. Bomme
    • , E. Savelyev
    • , B. Rudek
    • , L. Foucar
    • , S. H. Southworth
    • , C. S. Lehmann
    • , B. Kraessig
    • , T. Marchenko
    • , M. Simon
    • , K. Ueda
    • , K. R. Ferguson
    • , M. Bucher
    • , T. Gorkhover
    • , S. Carron
    • , R. Alonso-Mori
    • , J. E. Koglin
    • , J. Correa
    • , G. J. Williams
    • , S. Boutet
    • , L. Young
    • , C. Bostedt
    • , S.-K. Son
    • , R. Santra
    •  & D. Rolles
    Nature 546, 129–132

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