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Quantum Materials and Magnetism Group
... Tensor Networks superconductivity density matrix renormalization group topological order Integrable ...
Research group - GMoller - 01/05/2017 - 14:30 - 0 comments
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Fidelity
... a pure state (vector ψ ) and a mixed state (density matrix ρ ) this generalizes to ⟨ ψ , ρ ψ ⟩ ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Separability criteria
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Wiki article - Anonymous (not verified) - 04/05/2016 - 17:37 - 0 comments
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Quantum discord
... the von Neumann entropy gives the information content of a density matrix, H ( ρ ) = − ∑ x λ x ... where λ x are the eigenvalues of the density matrix ρ . Although the two expressions of mutual information, ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Postdoctoral position in modelling fractional topological insulators
... time-reversal invariant topological band structures based on density matrix renormalisation group methods. The project also aims to explore ...
Position - GMoller - 01/05/2017 - 14:28 - 1 comment
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Entanglement of assistance
... ,$$ where $\; \varrho_i^A$ is the reduced density matrix of ψ i and the supremum is taken over all ... over all possible pure-state realizations of the density matrix, E a s s is concave, i.e. $$\; ... $\; F(\varrho, \tilde{\varrho})$ is the fidelity of the density matrix relative to its complex conjugate in the magic basis $\; ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Decoherence
... environment. This could be done by considering the (reduced) density matrix of the system. The entangling process with the environment may ... as the vanishing of the off-diagonal matrix elements of the density matrix: $$\rho= \left( \begin{array}{ccc} \left|\alpha ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Trace norm
... . Special cases For a Hermitian matrix, like a density matrix, the absolute value of the eigenvalues are exactly the singular ... is the sum of the absolute value of the eigenvalues of the density matrix. Applications The trace norm is used e.g. in the ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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List of QC simulators
... QC simulator, and the first and only to offer distributed density matrix support. Webpage: https://quest.qtechtheory.org ...
Wiki article - JMiszczak - 12/04/2024 - 22:04 - 0 comments
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Index of notational and terminological conventions
... a pure state (vector ψ ) and a mixed state (density matrix ρ ) this generalizes to ⟨ ψ , ρ ψ ⟩ ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments