We sent a message in Morse.
There was no denying it: After years of being on the fringes of the national SCRABBLE® scene, I had become a bona fide “word nerd.”
Do you believe all people are equal? Do you believe women are people? If you answered ‘yes’ to both of these questions, congratulations! You are a feminist. As contemporary quizzes go, it’s probably a bit anticlimactic. It’s definitely not as Facebookable as the ones that tell you what Game of Thrones character you’d be (I’d be Khal Drogo – excellent), or what exotic city you really belong in (Los Angeles? No way) or what your pet says about you (nothing – he can’t talk).
Here, we combine this principle with elements of magnetoelastics, and show that optical excitation of pairs of infrared-active optical phonons can excite coherent spin waves in the rare-earth orthoferrite ErFeO_3.
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