What is it about?
Entanglement was found in the context of quantum mechanics and attracts researchers in general for the new concept. A semiclassical entanglement is shown to appear even in a macroscopic system like a dusty/complex plasma. A pair of negatively charged dust particles form a system of uncoupled oscillators, which start to show the coupling and entanglement if the system is exposed to the external waves characterized by the low frequency dust acoustic oscillations.
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Why is it important?
Recent advancement in the study of quantum entanglement, as was recognized as the Nobel prize in 2022, includes observations of the entanglement in a macroscopic world. The present study extends the concept of the entanglement to a classical system, a complex plasma also known as a dusty plasma, and finds a possible semiclassical entanglement as a coupled oscillator composed of a pair of dust particles.
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This page is a summary of: Entanglement in a complex plasma, Physics of Plasmas, March 2024, American Institute of Physics,
DOI: 10.1063/5.0192854.
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