Metric Structure of the Space of Two-Qubit Gates, Perfect Entanglers and Quantum Control
We derive expressions for the invariant length element and measure for the simple compact Lie group SU(4) in a coordinate system particularly suitable for treating entanglement in quantum information processing. Using this metric, we compute the invariant volume of the space of two-qubit perfect ent...
Main Authors: | Paul Watts, Maurice O'Connor, Jiří Vala |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2013-05-01
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Series: | Entropy |
Subjects: | |
Online Access: | http://www.mdpi.com/1099-4300/15/6/1963 |
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