Name	Info	Provider	Link
	subscription/membership/fee required	American Physical Society	https://link.aps.org/abstract/PRL/v106/p083003
Full text from	free resource	CORE	https://core.ac.uk/reader/33121779?utm_source=linkout
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21405569