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pro vyhledávání: '"Randall W. Gladen"'
Autor:
Alexander J. Fairchild, Varghese A. Chirayath, Randall W. Gladen, Ali R. Koymen, Alex H. Weiss, Bernardo Barbiellini
Publikováno v:
Physical review letters. 129(10)
We present a spectroscopic method which utilizes virtual photons to selectively measure the electronic structure of the topmost atomic layer. These virtual photons are created when incident positrons transition from vacuum states to bound surface sta