Quantum / CONCEPT
Collective dephasing can preserve negativity while changing the state
A nonstationary two-qutrit density matrix has constant positive negativity under Ali's collective dephasing.
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DIRECT PREREQUISITES2
DIRECT CONSEQUENCES0
PROOF DEPTH21
DOCUMENT LINKS0
A nonstationary state with negativity one quarter
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
Certified topology / DOWNSTREAM
Consequences
None recorded in this release.
RELATED KNOWLEDGE
Structural connections
- FormationBoundsstructural-affinity · Closed
- Log-negativity capacity depends on the input resourcestructural-affinity · Closed
- Modified separable Wasserstein transport can exceed quantum transportstructural-affinity · Closed
- Multi-entropy positivity fails on three qutritsstructural-affinity · Closed
- Negativity does not imply positive reductionstructural-affinity · Closed
- Separable states outside every local-unitary stabilizer framestructural-affinity · Closed
- The optimal negativity of a non-selective two-qubit measurementstructural-affinity · Closed
- The ten-setting GHZ witness in odd dimensionsstructural-affinity · Closed
Documents & exposition
None recorded in this release.
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
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