Quantum superpositions of causal orders as an operational resource
Causal nonseparability refers to processes where events take place in a coherent superposition of different causal orders. These may be the key resource for experimental violations of causal inequalities and have been recently identified as resources for concrete information-theoretic tasks. Here, w...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2019-12-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.1.033174 |