Hi, (I'm an author on this paper). That's a good question. DNP, which is indeed a well-established method, is only able to move the *classical* state of an electron spin into a nuclear spin. In other words, it could move a '0', or a '1', but not the quantum superposition states of the form '0 and 1 at the same time' which give quantum computing its power.
And then there's the question of getting the state back...
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Hi, (I'm an author on this paper). That's a good question. DNP, which is indeed a well-established method, is only able to move the *classical* state of an electron spin into a nuclear spin. In other words, it could move a '0', or a '1', but not the quantum superposition states of the form '0 and 1 at the same time' which give quantum computing its power. And then there's the question of getting the state back...