期刊
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION
卷 6, 期 -, 页码 715-720出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219749908004006
关键词
Hilbert space distances; Jensen Shannon divergence; entanglement measures
The notion of distance in Hilbert space is relevant in many scenarios. In particular, distances between quantum states play a central role in quantum information theory. An appropriate measure of distance is the quantum Jensen Shannon divergence (QJSD) between quantum states. Here we study this distance as a geometrical measure of entanglement and apply it to different families of states.
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