News from PHYS.ORG recently reveals that researchers have achieved quantum entanglement between two spatially separated Bose-Einstein condensates, ultra-cold atomic ensembles. Their study is now published in Science.
Quantum Entanglement Photo Source: ALIEN ELEMENT
Quantum Entanglement is the fact that pair particles (electrons, photons, etc) are related to each other. Therefore, measuring the state of one of the particles will give you information about the state of the other one. This phenomenon was discovered by Schrodinger and is the basis of research in quantum computers.
Reaching quantum entanglement is not something new. However, it was previously achieved between thermal clouds of particles. Now, researchers performed an experiment involving Bose-Einstein condensates.
Bose -Einstein Condensate state is achieved by cooling down atoms to a temperature very close to absolute zero.
According to the researchers, they separated the ultra-cold clouds from each other and they were able to notice that they were still entangled. The benefit of such experiment is the contribution it can provide to quantum technologies such as quantum computers, quantum simulations, and quantum metrology. And why ultra-cold atoms? Simply because they are able to serve a highly-entangled state containing large quantity of particles which will be useful for large-scale quantum computing.
References
Researchers create a quantum entanglement between two physically separated ultra-cold atomic clouds. (n.d.). Retrieved from https://phys.org/news/2018-05-quantum-entanglement-physically-ultra-cold-atomic.html
Quantum entanglement. (n.d.). Retrieved from https://www.sciencedaily.com/terms/quantum_entanglement.htm
Kouta, A. (2018, April 27). Quantum Supercomputer ... What Makes it Superior to its traditional rival ? Retrieved from http://scivenue.com/2017/07/31/quantum-supercomputer/