Spintronics
University at Buffalo enables quantum simulations on laptops
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Researchers at the University at Buffalo have expanded the truncated Wigner approximation to simulate complex quantum systems on ordinary laptops, bypassing the need for supercomputers. This advancement, detailed in a September study in PRX Quantum, simplifies quantum dynamics for real-world applications. The method targets dissipative spin dynamics, making advanced physics accessible to more scientists.
Physicists manipulate material properties with light pulses
Researchers at the University of Konstanz have developed a technique to alter the magnetic properties of materials using laser pulses, effectively transforming one material into another at room temperature. By exciting pairs of magnons in common haematite crystals, the method enables non-thermal control of magnetic states and potential data transmission at terahertz speeds. This breakthrough could allow quantum effects to be studied without extreme cooling.