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Electron Waves
Physicists at the Peter Grünberg Institute have discovered a new magnetic state with the help of computer simulations.  It occurs when a magnetic impurity atom is deposited on the surface of a metal.  As the electrons of the metal interact with the magnetic field of the impurity atom, ring-shaped waves made up of electrons develop on the surface of the metal.  They resemble the waves which form on the surface of a body of water when a stone is dropped into it.

Original publication:
Magnetic adatom induced skyrmion-like spin texture in surface electron waves;
Lounis et al.;
Physical Review Letters (2012), DOI: 10.1103/PhysRevLett.108.207202

Young investigators group “Functional Nanoscale Structure Probe and Simulation Laboratory”

Source:  Forschungszentrum Jülich