DARPA is Exploring Physics’ Strangest New Frontier to Develop the Next Generation of Defense Technology
In an effort to reshape the foundations of military computing and electronics, the Defense Advanced Research Projects Agency…
Deterministic spin-orbit torque switching of epitaxial ferrimagnetic insulator with perpendicular magnetic anisotropy fabricated by on-axis magnetron sputtering
TmIG films were grown on a GGG substrate using the on-axis RF magnetron sputtering technique at room temperature…
Absence of orbital current torque in Ta/ferromagnet bilayers
Liu, L. et al. Spin-torque switching with the giant spin Hall effect of tantalum. Science 336, 555 (2012).…
MIT engineers develop a magnetic transistor for more energy-efficient electronics | MIT News
Transistors, the building blocks of modern electronics, are typically made of silicon. Because it’s a semiconductor, this material…
US team sees tiny spinning waves called magnons moving in magnets
A research team has achieved the first direct observation of magnon spin currents, a critical development for the…
Observing differential spin currents by resonant inelastic X-ray scattering
Uchida, K. et al. Observation of the spin Seebeck effect. Nature 455, 778–781 (2008). Article PubMed ADS CAS …
Scientists Create Magnetic Nanohelices To Control Electron Spin at Room Temperature
The twisting direction of metal nanoparticles is controlled to be right- or left-handed by adding chiral molecules, which…
“It’s Its Own New Thing” – Scientists Discover New State of Quantum Matter
UC Irvine physicists have discovered a new phase of quantum matter with unusual electron-hole pairings. The material’s resilience…
Néel spin-orbit torque in antiferromagnetic quantum spin and anomalous Hall insulators
Formalism We extend the Kane-Mele model by including a collinear AFM order which is exchange coupled to the…
Unconventional scaling of the orbital Hall effect
Manchon, A. et al. Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems. Rev. Mod. Phys. 91, 035004 (2019).…
Passive demultiplexed two-photon state generation from a quantum dot
Aspuru-Guzik, A. & Walther, P. Photonic quantum simulators. Nat. Phys. 8, 285–291 (2012). Google Scholar Sparrow, C. et…
Bipartite Gaussian boson sampling in the time-frequency-bin domain with squeezed light generated by a silicon nitride microresonator
Experimental setup The experimental setup is shown in Fig. 1a. A butterfly laser diode emitting at a wavelength…