Femtomagnetism involves the control of magnetism using ultrafast light pulses. Schellekens et al.now show that the spin currents created by femtosecond laser pulses can be used to exert a torque on a magnetic bit, changing its orientation at speeds much faster than possible using electrical means.
- A. J. Schellekens
- K. C. Kuiper
- B Koopmans