2015/02/04 by Devrim Tarhan, Tarhan, Devrim, Mehmet Emre Ta +2
Computer Science · Neuroscience · Physics and Astronomy · #FOS: Physical sciences #Mechanical and Optical Resonators #Neural dynamics and brain function #Optics (physics.optics) #Quantum Information and Cryptography #Quantum Physics (quant-ph) #physics.optics #quant-ph
paper · pdf · doi:10.48550/arxiv.1502.01294
9 pages, 2 figures
openalex publication_date 2015/02/04 · arxiv created 2015/02/07 · arxiv updated 2015/02/10 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We show that single-mode nonclassicality of the output of an optomechanical cavity and the noncausal linear optical response of this cavity emerge at the same critical cavity-mechanical coupling. In other words, single-mode nonclassicality emerges when the barrier (in electromagnetism) avoiding faster-than-light communication is lifted off. The nature of the emergence of noncausal behavior does not depend on the length (boundary conditions) and the type of the cavity. Origin of the noncausal behavior is the temporal/frequency relations between the incident and reflected waves at the outer surface of the cavity. We further discuss the relations with the recent studies; (i) equivalence of the entanglement among identical particles to the nonclassicality of their quasiparticle excitations, (ii) necessity of superfluid behavior of vacuum, and (iii) entanglement-wormhole equivalence.