Text this: Spin physics in semiconductors

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| |  | ||   / _ \\   | |/ //  |  ___||  /  ___|| 
| |/\| ||  / //\ \\  | ' //   | ||__   | // __   
|  /\  || |  ___  || | . \\   | ||__   | \\_\ || 
|_// \_|| |_||  |_|| |_|\_\\  |_____||  \____//  
`-`   `-` `-`   `-`  `-` --`  `-----`    `---`