In a new study, scientists propose the concept of "virtual quantum broadcasting," which provides a workaround to the longstanding no-cloning theorem, thereby offering new possibilities for the transmission of quantum information.
The study, published in Physical Review Letters, outlines a virtual broadcasting map that creates correlated copies "virtually." Through a series of four theorems, the researchers establish the viability of this map, which allows for the creation of correlated copies of quantum states over time.
Further, the researchers demonstrate the robustness of the canonical framework, prove its physical approximation to the universal cloner, and detail how the map can be implemented.
Virtual quantum broadcasting promises to impact many fields of quantum information processing by leveraging time-based correlations, thereby avoiding the limitations imposed by the no-cloning theorem.
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