Introduces Bargmann scenarios and polytopes to fully characterize and organize the witnessing power of Bargmann invariants for coherence in sets of states.
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3 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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quant-ph 3years
2026 3verdicts
UNVERDICTED 3representative citing papers
Two quantum states ρ₁ and ρ₂ commute exactly when tr(ρ₁²ρ₂²) = tr(ρ₁ ρ₂ ρ₁ ρ₂).
A non-local Hong-Ou-Mandel effect is realized via post-selection on separated outputs in a four-path interferometer, demonstrating two-photon interference without photons sharing a local beam splitter.
citing papers explorer
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Bargmann Scenarios
Introduces Bargmann scenarios and polytopes to fully characterize and organize the witnessing power of Bargmann invariants for coherence in sets of states.
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Commutativity from a single Bargmann invariant equality
Two quantum states ρ₁ and ρ₂ commute exactly when tr(ρ₁²ρ₂²) = tr(ρ₁ ρ₂ ρ₁ ρ₂).
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The non-local Hong-Ou-Mandel effect
A non-local Hong-Ou-Mandel effect is realized via post-selection on separated outputs in a four-path interferometer, demonstrating two-photon interference without photons sharing a local beam splitter.