Abstract
We uncover new features on the study of a two-level atom interacting with one of two cavities in a coherent superposition. The Jaynes-Cummings model is used to describe the atom–field interaction and to study the effects of quantum indefiniteness on such an interaction. We show that coherent control of the two cavities in an undefined manner allows novel possibilities to manipulate the atomic dynamics on demand which are not achievable in the conventional way. In addition, it is shown that the coherent control of the atom creates highly entangled states of the cavity fields taking a Bell-like or Schrödinger-cat-like state form. Our results are a step forward to understand and harness quantum systems in a coherent control, and open a new research avenue in the study of atom–field interaction exploiting quantum indefiniteness.
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