Linear invariance of intersections on unitary Rapoport–Zink spaces
نویسندگان
چکیده
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15 صفحه اولUnitary local invariance
We address unitary local invariance of bipartite pure states. Given a bipartite state |Ψ〉〉 = ∑ ij ψij |i〉1⊗|j〉2 the complete characterization of the class of local unitaries U1 ⊗ U2 for which U1 ⊗ U2|Ψ〉〉 = |Ψ〉〉 is obtained in terms of the singular values of the matrix Ψ = [ψ]ij . Suppose you are given a bipartite pure state |Ψ〉〉 ∈ H1 ⊗H2 and asked for which (pairs of) unitaries the state is loc...
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ژورنال
عنوان ژورنال: Forum Mathematicum
سال: 2019
ISSN: 1435-5337,0933-7741
DOI: 10.1515/forum-2019-0023