33 Quantum Electrodynamics of a Qubit

Gernot Alber1 and Georgios M. Nikolopoulos2

1 Technische Universität Darmstadt, Institut für Angewandte Physik, Hochschulstrasse 4a, 64289, Darmstadt, Germany

2 Foundation for Research and Technology, Institute of Electronic Structure and Laser, 71110 Heraklion, Greece

A detailed understanding of the basic physical laws governing the exchange of quantum information, as well as the interaction between material qubits and the quantized electromagnetic field, is of central importance for realizing quantum information networks and for suppressing decoherence due to spontaneous emission of photons. In this section, some basic physical aspects of this interaction are explored in the special case of ...

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