Article

Monogamy of Bell's inequality violations in nonsignaling theories.

Institute of Theoretical Physics and Astrophysics, University of Gdańsk, PL-80-952 Gdańsk, Poland.
Physical Review Letters (impact factor: 7.37). 02/2009; 102(3):030403. pp.030403
Source: PubMed

ABSTRACT We derive monogamy relations (tradeoffs) between strengths of violations of Bell's inequalities from the nonsignaling condition. Our result applies to general Bell inequalities with an arbitrary large number of partners, outcomes, and measurement settings. The method is simple, efficient, and does not require linear programing. The results are used to derive optimal fidelity for asymmetric cloning in nonsignaling theories.

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Keywords

arbitrary large number
 
derive optimal fidelity
 
efficient
 
general Bell inequalities
 
measurement settings
 
nonsignaling condition
 
strengths
 

Marcin Pawłowski