I Molecular Quantum Computer Progress

Hornbein
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Trapping molecules to perform quantum operations.
https://arxiv.org/abs/2406.15345

Trapping molecules to perform quantum operations. By carefully controlling how the molecules rotated with respect to one another, the team managed to entangle two molecules, creating a quantum state known as a two-qubit Bell state with 94 percent accuracy. The iSWAP gate used in this experiment swapped the states of two qubits and applied what is called a phase shift, an essential step in generating entanglement where the states of two qubits become correlated regardless of the distance in between.
 
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So progress. For the uninitiated like me it does sound like baby steps though.
 
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I am reading WHAT IS A QUANTUM FIELD THEORY?" A First Introduction for Mathematicians. The author states (2.4 Finite versus Continuous Models) that the use of continuity causes the infinities in QFT: 'Mathematicians are trained to think of physical space as R3. But our continuous model of physical space as R3 is of course an idealization, both at the scale of the very large and at the scale of the very small. This idealization has proved to be very powerful, but in the case of Quantum...
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