Figure 2025 Nature Communications - Sander Otte (IMAGE)

Delft University of Technology

Figure 2025 Nature Communications - Sander Otte

Caption

Graphical summary of the experiment. A voltage signal is sent via the STM needle to an atom carrying a nuclear spin. The frequency of this signal matches the energy of only 1 out of 8 quantum states the nuclear spin can occupy. Over time, current passing through the atom switches between a higher value (red) and a lower value (grey), respectively indicating that the nuclear spin resides in the selected quantum state or in any of the other 7 states. The spin can be seen to stay in the same state for a significant fraction of a second. In a more controlled version of the experiment, the nuclear spin was found to be stable up to 5 seconds.

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Sander Otte

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