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After reading 2638 websites, we found 20 different results for "What is a qubit"

two-state (or two-level) quantum-mechanical system

A qubit is a two-state (or two-level) quantum-mechanical system, one of the simplest quantum systems displaying the peculiarity of quantum mechanics.

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units of quantum information

Qubits are units of quantum information that are integral to quantum computing because they exist in a superposition of two states and can hold a much larger amount of information compared to a regular bit used in normal computers.

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quantum bits

These subatomic particles represent information as elements, which are then called quantum bits (or qubits).

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quantum bit

Quantum information science uses the quantum bit, or qubit, which may exist in a quantum superposition that includes values of zero and one simultaneously.

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a unit of information that can be in a superposition of two states

A qubit (or quantum bit) is a unit of information that can be in a superposition of two states, denoted as and .

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a quantum version of a computer bit, which is the smallest unit of data in a computer

A qubit, in simplest terms, is a quantum version of a computer bit, which is the smallest unit of data in a computer.

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a basic unit of quantum information that can take on richer states that extend beyond just 0 and 1

In quantum computing, a qubit is a basic unit of quantum information that can take on richer states that extend beyond just 0 and 1.

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a quantum system

A qubit is a quantum system, and this world has two possible states, kind of like a classic computer bit can be a 0 or a 1.

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a two-state quantum-mechanical system, such as the polarization of a single photon

A qubit is a two-state quantum-mechanical system, such as the polarization of a single photon: here the two states are vertical polarization and horizontal polarization.

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Superconducting quantum bits

Superconducting quantum bits (simply, qubits) are artificial atoms that use various methods to produce bits of quantum information, the fundamental component of quantum computers.

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one of the smallest units of a quantum computing system

A qubit is one of the smallest units of a quantum computing system.

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coherent superpositions of the two possible states

These coherent superpositions of the two possible states are called qubits and are the basic ingredient of Quantum information science.

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a generalization of a bit - a system with two possible states

A qubit is a generalization of a bit - a system with two possible states, that can be in a quantum superposition of both.

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the smallest circuit used in a quantum system, such as a quantum computer — the more qubits, the more complex processing potential of a computer

A qubit is the smallest circuit used in a quantum system, such as a quantum computer — the more qubits, the more complex processing potential of a computer.

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an idealization that could be used to build quantum computers

A qubit is an idealization that could be used to build quantum computers, if such a thing exists and can be scaled up.

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a two-state quantum-mechanical system typically represented with a Bloch sphere

A qubit is a two-state quantum-mechanical system typically represented with a Bloch sphere.

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a short form for a quantum bit, which is the fundamental unit of quantum information

For those unaware, a qubit is a short form for a quantum bit, which is the fundamental unit of quantum information.

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a system which can be asked many, many different questions

In contrast, a qubit is a system which can be asked many, many different questions, but to each question, only one of two answers can be given.

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the smallest circuit - used in a quantum system, such as a quantum computer

A qubit is the smallest circuit used in a quantum system, such as a quantum computer -; the more qubits, the more complex processing potential of a computer.

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an isolated system

A qubit is an isolated system---a sort of toggle---which is maintained simultaneously in a mixture of two quantum states.

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