Up and down: Fourier analysis reconstruction of a polariton condensate at time intervals of about 50 ps showing the observed oscillation. (Courtesy: H Sigurdsson et al/Physical Review Letters) The ...
If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...
Quantum dots are nanoscale semiconductor structures that confine charge carriers, leading to discrete energy levels and unique spin properties. The dynamics of electron spins in these confined systems ...
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