A prepare-and-broadcast witness certifies exactly two bits of joint randomness at its maximal quantum violation, surpassing the CHSH-based limit of about 1.23 bits.
Design e arquiteturas de Protocolos CV-QKD
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Randomness Certification and Trade-offs in the Prepare-and-Broadcast Scenario
A prepare-and-broadcast witness certifies exactly two bits of joint randomness at its maximal quantum violation, surpassing the CHSH-based limit of about 1.23 bits.