Matches in SemOpenAlex for { <https://semopenalex.org/work/W3100656048> ?p ?o ?g. }
Showing items 1 to 94 of
94
with 100 items per page.
- W3100656048 endingPage "012012" @default.
- W3100656048 startingPage "012012" @default.
- W3100656048 abstract "Abstract In a previous work we introduced an entanglement number e ( ψ ) for a vector state ψ . This number relied on the Schmidt decomposition of ψ which may be difficult to compute. We now present a method for finding e ( ψ ) that is simple and efficient. We show that e ( ψ ) is continuous in the vector norm. We next extend e ( ψ ) to an entanglement number e ( ρ ) for a general mixed state ρ and show that ρ is separable (not entangled) if and only if e ( ρ ) = 0. We next define a related quantity e s ( ρ ) ≥ e ( ρ ) which we call the spectral entanglement number. We argue that e s ( ρ ) is easier to compute than e ( ρ ) and that the physical motivation for e s ( ρ ) is superior to that of e ( ρ ). It is shown that e s ( ρ ) is continuous in the operator norm. Although e ( ρ ) is a convex function, we show that e s ( ρ ) need not be convex. An open problem is to characterize the states ρ such that e ( ρ ) = e s ( ρ ). Many illustrative examples are presented." @default.
- W3100656048 created "2020-11-23" @default.
- W3100656048 creator A5060327956 @default.
- W3100656048 date "2020-10-01" @default.
- W3100656048 modified "2023-10-15" @default.
- W3100656048 title "Two entanglement measures" @default.
- W3100656048 cites W1965768690 @default.
- W3100656048 cites W1973912509 @default.
- W3100656048 cites W1993019674 @default.
- W3100656048 cites W2025236523 @default.
- W3100656048 cites W2060702686 @default.
- W3100656048 cites W3037737784 @default.
- W3100656048 cites W3100129267 @default.
- W3100656048 doi "https://doi.org/10.1088/1742-6596/1638/1/012012" @default.
- W3100656048 hasPublicationYear "2020" @default.
- W3100656048 type Work @default.
- W3100656048 sameAs 3100656048 @default.
- W3100656048 citedByCount "2" @default.
- W3100656048 countsByYear W31006560482020 @default.
- W3100656048 countsByYear W31006560482023 @default.
- W3100656048 crossrefType "journal-article" @default.
- W3100656048 hasAuthorship W3100656048A5060327956 @default.
- W3100656048 hasBestOaLocation W31006560481 @default.
- W3100656048 hasConcept C104317684 @default.
- W3100656048 hasConcept C111472728 @default.
- W3100656048 hasConcept C112680207 @default.
- W3100656048 hasConcept C118615104 @default.
- W3100656048 hasConcept C121040770 @default.
- W3100656048 hasConcept C121332964 @default.
- W3100656048 hasConcept C134306372 @default.
- W3100656048 hasConcept C138885662 @default.
- W3100656048 hasConcept C139356082 @default.
- W3100656048 hasConcept C158448853 @default.
- W3100656048 hasConcept C17020691 @default.
- W3100656048 hasConcept C17744445 @default.
- W3100656048 hasConcept C185592680 @default.
- W3100656048 hasConcept C191795146 @default.
- W3100656048 hasConcept C199539241 @default.
- W3100656048 hasConcept C202444582 @default.
- W3100656048 hasConcept C2524010 @default.
- W3100656048 hasConcept C2780586882 @default.
- W3100656048 hasConcept C33923547 @default.
- W3100656048 hasConcept C55493867 @default.
- W3100656048 hasConcept C55795843 @default.
- W3100656048 hasConcept C62520636 @default.
- W3100656048 hasConcept C70710897 @default.
- W3100656048 hasConcept C84114770 @default.
- W3100656048 hasConcept C86339819 @default.
- W3100656048 hasConceptScore W3100656048C104317684 @default.
- W3100656048 hasConceptScore W3100656048C111472728 @default.
- W3100656048 hasConceptScore W3100656048C112680207 @default.
- W3100656048 hasConceptScore W3100656048C118615104 @default.
- W3100656048 hasConceptScore W3100656048C121040770 @default.
- W3100656048 hasConceptScore W3100656048C121332964 @default.
- W3100656048 hasConceptScore W3100656048C134306372 @default.
- W3100656048 hasConceptScore W3100656048C138885662 @default.
- W3100656048 hasConceptScore W3100656048C139356082 @default.
- W3100656048 hasConceptScore W3100656048C158448853 @default.
- W3100656048 hasConceptScore W3100656048C17020691 @default.
- W3100656048 hasConceptScore W3100656048C17744445 @default.
- W3100656048 hasConceptScore W3100656048C185592680 @default.
- W3100656048 hasConceptScore W3100656048C191795146 @default.
- W3100656048 hasConceptScore W3100656048C199539241 @default.
- W3100656048 hasConceptScore W3100656048C202444582 @default.
- W3100656048 hasConceptScore W3100656048C2524010 @default.
- W3100656048 hasConceptScore W3100656048C2780586882 @default.
- W3100656048 hasConceptScore W3100656048C33923547 @default.
- W3100656048 hasConceptScore W3100656048C55493867 @default.
- W3100656048 hasConceptScore W3100656048C55795843 @default.
- W3100656048 hasConceptScore W3100656048C62520636 @default.
- W3100656048 hasConceptScore W3100656048C70710897 @default.
- W3100656048 hasConceptScore W3100656048C84114770 @default.
- W3100656048 hasConceptScore W3100656048C86339819 @default.
- W3100656048 hasIssue "1" @default.
- W3100656048 hasLocation W31006560481 @default.
- W3100656048 hasOpenAccess W3100656048 @default.
- W3100656048 hasPrimaryLocation W31006560481 @default.
- W3100656048 hasRelatedWork W1964980512 @default.
- W3100656048 hasRelatedWork W1990275586 @default.
- W3100656048 hasRelatedWork W2080596992 @default.
- W3100656048 hasRelatedWork W2100640089 @default.
- W3100656048 hasRelatedWork W2110142254 @default.
- W3100656048 hasRelatedWork W2549645837 @default.
- W3100656048 hasRelatedWork W2953168424 @default.
- W3100656048 hasRelatedWork W3100800004 @default.
- W3100656048 hasRelatedWork W4250308684 @default.
- W3100656048 hasRelatedWork W1652442584 @default.
- W3100656048 hasVolume "1638" @default.
- W3100656048 isParatext "false" @default.
- W3100656048 isRetracted "false" @default.
- W3100656048 magId "3100656048" @default.
- W3100656048 workType "article" @default.