Using lasers, US and Austrian physicists have coaxed atoms in an ultracold strontium gas into complex structures unlike any previously seen in nature. Researchers created ‘Rydberg polarons’ in a gas at least 1 million times colder than deep space.
Using lasers, US and Austrian physicists have coaxed atoms in an ultracold strontium gas into complex structures unlike any previously seen in nature. Researchers created ‘Rydberg polarons’ in a gas at least 1 million times colder than deep space.