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Shor's factoring algorithm
... subroutine: Start with a pair of input and output qubit registers with log2 N qubits each, and initialize them to N ... transform. By using controlled NOT gates and single qubit rotation gates Shor designed a circuit for the quantum Fourier transform ...
Wiki article - JMiszczak - 26/10/2015 - 17:56 - 0 comments
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Quantum error correction and fault-tolerance
... in the real world means having to deal with errors. Any qubit stored unprotected or one transmitted through a communications channel ... independently with probability O ( ε ) on each qubit in the QECC, then the code will allow us to decode a correct state except ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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CNOT
... The CNOT gate is one of the most important 2 -qubit gates and is represented in the standard basis {∣0⟩, ∣1⟩} ... y ⟩ , where the former is the so-called control qubit and the latter is the target qubit ; then the action of U ...
Wiki article - Anonymous (not verified) - 02/07/2018 - 11:02 - 0 comments
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States
... Probability amplitude Density operator Qubit Category:Handbook of Quantum Information ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Superconducting circuits
... is stored in the number of superconducting electrons (charge qubit), in the direction of a current (flux qubit) or in oscillatory states (phase qubit). Systems are fabricated with thin ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Quantum logic gates
... to have their own names. The matrices describing n qubit gates are written in the computational basis {∣ x ⟩} , where ... Hadamard gate The Hadamard gate is a common single qubit gate H defined as Image:Img44.png The matrix is ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Multipartite entanglement
... which is given by the sum of concurrences between one qubit and all others. For these multipartite entanglement measures the ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Impurity spins in solids
... state measurements by optical techniques. Single and two qubit quantum gates on single defect spins in diamond. For rare earth crystals preparation and readout of ensemble qubit states Rabi flops of a qubit, and qubit decoherence times on the order of ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Sandbox
... def c-S,1,'S' def c-T,1,'T' qubit 0 qubit j1 qubit j2 qubit \psi ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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W-state
... on a picture. thumb There is no generic three qubit entanglement in W-states and all entanglement monotones as well as ... leaves the remaing two entangled. In this sense three qubit W-states contain maximal amount of sum of two qubit entanglement. ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments