5 ms·

Here's the paper (PDF): http://physics.aps.org/featured-article-pdf/10.1103/PhysRevLett.108.253901 http://physics.aps.org/featured-article-pdf/10.1103/PhysRevL

by grueful 14y ago

Here's the paper (PDF): http://physics.aps.org/featured-article-pdf/10.1103/PhysRevLett.108.253901 http://physics.aps.org/featured-article-pdf/10.1103/PhysRevL... It's about observations & theory where you can get waves in Cherenkov radiation which propagate against the dominant direction.