Security of continuous-variable quantum cryptography with Gaussian postselection
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Walk, N; Ralph, Timothy Cameron; Symul, Thomas; Lam, Ping Koy
Description
We extend the security analysis of continuous variable quantum-key- distribution protocols using a family of post selection schemes to account for arbitrary eavesdropping attacks. We show that the postselection protocol is equivalent to a virtual entanglement-based protocol including a distillation stage. We introduce a particular 'Gaussian' post selection and demonstrate that the security can be calculated using only experimentally accessible quantities. Finally, we explicitly evaluate the...[Show more]
Collections | ANU Research Publications |
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Date published: | 2013 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/71002 |
Source: | Physical Review A: Atomic, Molecular and Optical Physics |
DOI: | 10.1103/PhysRevA.87.020303 |
Access Rights: | Open Access |
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01_Walk_Security_of_2013.pdf | 119.19 kB | Adobe PDF |
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