Measurement of electron wave functions and confining potentials via photoemission

Details Measurement of electron wave functions and confining potentials via photoemission Measurement of electron wave functions and confining potentials via photoemission

2002-08-13

arxiv.org/abs/cond-mat/0208254v1

Physical Review B 67, 081404 (Rapid Comm.) (2003)

Physics

Condensed Matter

Materials Science

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.67.081404

Wave functions and electron potentials of laterally-confined surface states are determined experimentally by means of photoemission from stepped Au(111) surfaces. Using an iterative formalism borrowed from x-ray diffraction, we retrieve the real-space wave functions from the Fourier transform of their momentum representations, whose absolute values in turn are directly measured by angle-resolved photoemission. The effective confining potential is then obtained by introducing the wave functions into Schroedinger's equation.

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