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Why 'qudits' (not qubits) may be the key to quantum computing

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Wayne Strickland
Jul 25, 2016 12:06
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They could make it easier to build a working device, scientists say

The Moscow Institute of Physics and Technology.

Quantum computers may promise a giant leap forward in performance and efficiency, but none of that can happen until we figure out a practical way to build them.

Building quantum computers is difficult because the qubits they're made with tend to be highly unstable.

While traditional bits represent data as 0s or 1s, qubits are distinguished by what's known as superposition, or the ability to be both 0 and 1 at once.

While calculations require that qubits not only maintain their state but also interact with one another, the quantum objects that have been used to create qubits -- ions or electrons, for example -- have so far only been able to maintain a certain quantum state for a short time.

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Wayne Strickland
Jul 25, 2016 12:06
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