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Tag: electron charge

Helical spin modes and the persistent spin helix (PSH). a, The spins of the two helical spin modes É+ and É- rotate with opposite helicity as the electron moves along y. The Sz(y) of the two modes is the same. b, Spins precess about an external magnetic field Bx such that the É+ mode is shifted towards -y if Bx < 0 is applied. c, d, Maps of Sz(y,t) show the time evolution of the PSH for Bx = 0 (c) and Bx = -1T (d). Sz(y) oscillates in both cases, but for Bx = -1T, the position of constant phase, y0, is shifted with t (marked by the dashed line). Source: Nature Physics/IBM Research

Spintronics breakthrough at IBM could lead to new generation memory storage

August 13, 2012 - Updated on August 15, 2012

Spintronics, or spin transport electronics, is a sort of emerging technology that scientists have been studying for a while in ...

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