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DPG

Erlangen 2018 – scientific programme

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A: Fachverband Atomphysik

A 17: Atoms in external fields

A 17.6: Talk

Monday, March 5, 2018, 17:30–17:45, K 2.019

Hydrogen Analogs in an anisotropic crystal in magnetic fields — •Javier Madroñero and Victor Loaiza — Physics Department, Universidad del Valle, Cali

An artificial hydrogen atom with an anisotropic effective mass can be realized in some anisotropic crystals, e.g., silicon crystals with low-concentration phosphorus impurities. Here, we use an ab-initio quantum approach for the description of the anisotropic diamagnetic Kepler problem which combines a representation in a Sturmian basis with the method of complex rotation to identify the auto-ionization resonances from which experimental photothermal ionization spectrum can be obtained. We study the fluctuations of the spectrum and explore the possibility of controlling it by the magnetic field.

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