| When a quantum computer tries to copy a qubit, it forces the qubit to become either one or zero and destroys the information. |
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| In particular if you try to use the mapping in this manner, you will end up creating qubit Hamiltonians with very nonlocal interactions. |
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| In principle, tasks such as quantum cryptography, secret sharing and dense coding all benefit from using qudits larger than the qubit. |
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| The original qubit's quantum properties would be teleported to another qubit as the original qubit is measured. |
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| May 4, 1998 after decades of theoretical physics, a 2 qubit quantum computer capable of loading data and reading out a result is announced. |
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| An amazing aspect of this system is that the effective dipole moment of the superconducting qubit is about ten thousand times stronger than in neutral atoms. |
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| The two gates are the one-qubit rotation gate which controls the state of one qubit, and the controlled-NOT gate which works as a conditional gate for two qubits. |
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| But if quantum theorists are correct, quantum bits, or qubits, will enable more efficient problem solving because a qubit can simultaneously encode both a zero and a one. |
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| The findings lead to an extension of the antidegradability region for qubit and qutrit transpose depolarizing channels. |
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| Quantum computing or quantum information is base on a similar approach but uses quantum bit or qubit for short. |
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| A quantum computer would consist of many qubit gates with entangled states. |
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| Classical computers work with zeros and ones while quantum computers will work with qubit or quantum bits. |
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| Each extra qubit in a quantum machine doubles the number of simultaneous operations it can perform. |
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| These logical qubit designs will be foundational to future, more complex quantum computing systems. |
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| The implementation of a gradiometric SQUID loop allows for a fast tuning of the qubit transition frequency and therefore for full tomographic control of the quantum circuit. |
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