There are two major differences between qubits.
There is an ensemble qubit which contain a large number of particles that together act as a single qubit and there is what one typically thinks of as a qubit, which is a single particle or material.
Possible qubits include single photons, trapped atomic ions, neutral atoms, nuclear spins, quantum dots, impurities in silicon and diamond, etc...
If you’re looking for a little more in-
In this video, John Preskill talks about quantum-
Feynman’s famous computer heuristics lecture.
In this video, the always-
How do computers work? How do computers file information? How do computers handle data? How do computers use their information? And how do computers actually compute values of interest to human beings? Mr. Feynman can explain!…
In the following four videos, Prof. Michael Nielsen introduces the basic concepts of quantum computing and quantum computers as part of his popular video series -
In this lecture, Prof. Allan Adams of MIT’s Physics Department discusses the basic principles of quantum computing. The no-
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