A new study shows entanglement can be reversed—if you plug in a quantum battery. The finding rewrites the rules of the quantum world.

For the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'.

Rimai, L., Statz, H., Weber, M. J., de mars, G. A., and Koster, C. F., Phys. Rev. Letters, 4, 125 (1960). Article ADS CAS Google Scholar . Finn, C. P. B., Orbach, R ...

An electronic double layer, subjected to a high magnetic field, can form an exciton condensate: a Bose–Einstein condensate of Coulomb-bound electron–hole pairs. Now, exciton condensation is ...

Only the first nine pages in the 33-page article, published on 14 May in Physical Review Letters 1, ... Phys. Rev. Lett. 114, 191803 (2015). Article CAS ADS Google Scholar ...