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A predicted class of materials called hyperferroelectrics could prove more stable against the depolarizing internal electric fields known to impede ferroelectricity in thin films.
The thermal wake left in air by a bundle of intense laser pulses can act as a channel for sending subsequent laser light over long distances.
New theoretical calculations show that an x-ray free-electron-laser pulse can generate transitions in excited nuclei via an indirect process involving electron capture.
Researchers characterize a single-photon source, proving it emits nonclassical states of light that may be useful for quantum communication schemes.