FACIAL STRUCTURES FOR SEPARABLE STATES

Title & Authors
FACIAL STRUCTURES FOR SEPARABLE STATES
Choi, Hyun-Suk; Kye, Seung-Hyeok;

Abstract
The convex cone $\small{\mathbb{V}_1}$ generated by separable states is contained in the cone $\small{\mathbb{T}}$ of all positive semi-definite block matrices whose block transposes are also positive semi-definite. We characterize faces of the cone $\small{\mathbb{V}_1}$ induced by faces of the cone $\small{\mathbb{T}}$ which are determined by pairs of subspaces of matrices.
Keywords
separable states;faces;entanglement;
Language
English
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