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IBM-Trinity Pre-Doc Program: IBM-TCD Pre-doc Fellowship in Quantum Science
... compilation and quantum simulation Compilation of unitary matrices for use in current noisy and connectivity-limited quantum ... requirements, that is the closest as possible to the unitary that we would like to implement and simulate. Under different notions ...
Position - John_Goold - 28/07/2021 - 16:29 - 2 comments
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Increase the number of qubits for QC simulator necessary ?
... the existence of units that perform highly idealized unitary operations. However, in practice these operations are difficult to ... a hardware implementation of a QC will perform unitary operations that are more complicated than those considered in most ...
Forum topic - Ljpu - 26/10/2015 - 17:08 - 1 comment
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Quantum logic gates
... A quantum logic gate is a device which performs a fixed unitary operation on selected qubits in a fixed period of time. The gates ... qubit is ∣ 0⟩ . The gate is represented by the unitary matrix Image:Img76.png where x , y = 0or 1 ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Hermitian matrix
... A is Hermitian if and only if there are a unitary matrix U ∈ M n and a real diagonal matrix ... be a given family of Hermitian matrices. Then there exists a unitary matrix U ∈ M n such that U Λ U ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Superfidelity
... ρ 2 ) = G ( ρ 2 , ρ 1 ) . Unitary invariance: for any unitary operator U , we have G ( ρ 1 , ρ 2 ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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CNOT
... U C N O T is Hermitian and unitary, and can be rewritten as a block matrix in the form: ... all phase gates are available then any n -qubit unitary operation can be simulated exactly with O (4 n n ) ...
Wiki article - Anonymous (not verified) - 02/07/2018 - 11:02 - 0 comments
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SicSteve
... following problem. Consider an irrep of a group that is a unitary 1-design (and isn't also a unitary 2-design). For example, take a d-dimensional irrep of the ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Isotropic state
... bipartite quantum state that is invariant under any unitary of the form U ⊗ U * , where * denotes complex conjugate. That is, any state with the property that for any unitary U on one part of the system, ρ = ( U ⊗ U ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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LOCC operations
... , where the U 's are unitary, $0<\alpha_{1,2}\leq 1$ and the whole of A is ... Bell diagonal form of the state is unique up to local unitary trasformations and gives a characterization of locally equivalent ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Anyons
... of braiding can be equivalent to multiplication by an unitary matrix. In the latter case the final state can be an superposition. ... one can build a universal set of computational gates. The unitary gate operations are carried out by braiding quasi-particles, and then ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments