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Qudit vs. Qubit — What's the Difference?

Qudit vs. Qubit — What's the Difference?

Difference Between Qudit and Qubit

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Qudit

(quantum computing) A quantum dit; the unit of quantum information described by a superposition of d states, where the number of states is an integer greater than two.

Qubit

In quantum computing, a qubit () or quantum bit is a basic unit of quantum information—the quantum version of the classic binary bit physically realized with a two-state device. A qubit is a two-state (or two-level) quantum-mechanical system, one of the simplest quantum systems displaying the peculiarity of quantum mechanics.

Qubit

See quantum bit.

Qubit

(quantum computing) A quantum bit; the basic unit of quantum information described by a superposition of two states; a quantum bit in a quantum computer capable of being in a state of superposition.

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