Detection of Gravitational Wave - An Application of Relativistic Quantum Information Theory

Details Detection of Gravitational Wave - An Application of Relativistic Quantum Information Theory Detection of Gravitational Wave - An Application of Relativistic Quantum Information Theory

2006-05-16

arxiv.org/abs/quant-ph/0605135v1

Europhys.Lett.78:20006,2007

Physics

Quantum Physics

9 pages

Scientific paper

10.1209/0295-5075/78/20006

We show that a passing gravitational wave may influence the spin entropy and spin negativity of a system of $N$ massive spin-1/2 particles, in a way that is characteristic of the radiation. We establish the specific conditions under which this effect may be nonzero. The change in spin entropy and negativity, however, is extremely small. Here, we propose and show that this effect may be amplified through entanglement swapping. Relativistic quantum information theory may have a contribution towards the detection of gravitational wave.

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