2010 **Abstract:** Ground-state entanglement induces emergence of negative-energydensity regions in quantum systems by squeezing zero-point oscillation, keeping total energy of the systems nonnegative. By use of the negativity of quantum energy density, protocols of quantum energy teleportation are proposed that transport energy to distant sites by local operations and classical communication. The energy is teleported without breaking any physical laws including causality and local energy conservation. Because intermediate subsy…

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“…By squeezing the zero-point fluctuations of the magnetomechanical system the ground state becomes entangled. Ground-state entanglement induces the emergence of negative energy-density regions in quantum systems [45]. The entanglement present when n m +n e > 0 represents a signature of the quantum nature of the magnetomechanical system.…”

confidence: 99%

“…By squeezing the zero-point fluctuations of the magnetomechanical system the ground state becomes entangled. Ground-state entanglement induces the emergence of negative energy-density regions in quantum systems [45]. The entanglement present when n m +n e > 0 represents a signature of the quantum nature of the magnetomechanical system.…”

confidence: 99%

“…The entanglement present when n m +n e > 0 represents a signature of the quantum nature of the magnetomechanical system. This magnetomechanical system presents an approach for the generation of negative energy-density which can be implemented in protocols of quantum energy teleportation [45].…”

confidence: 99%

“…The bipartite entanglement of the two subsystems is not necessary. However, it should be stressed that this correlation of A and B described by the mutual information is actually generated by not only the bipartite entanglement but also multipartite entanglements in the ground state [14]. If the ground state is an exactly separable (non-entangled) state which takes a product form of pure states of all subsystems, we do not have such a correlation between them at all.…”

confidence: 99%

“…By squeezing the zero-point fluctuations of the magnetomechanical system the ground state becomes entangled. Ground-state entanglement induces the emergence of negative energy-density regions in quantum systems [161]. The entanglement present when n m +n e > 0 represents a signature of the quantum nature of the magnetomechanical system.…”

confidence: 99%

“…The entanglement present when n m +n e > 0 represents a signature of the quantum nature of the magnetomechanical system. This magnetomechanical system presents a novel approach for the generation of negative energy-density which can be implemented in protocols of quantum energy teleportation [161].…”

confidence: 99%