We investigate the effect of uniaxial heterostrain on interacting phase diagram magic-angle twisted bilayer graphene. Using both self-consistent Hartree-Fock and density-matrix renormalization group calculations, we find that small strain values (??0.1%–0.2%) drive a zero-temperature transition between symmetry-broken “Kramers intervalley-coherent” insulator nematic semimetal. The critical lies...

Abstract Metasurfaces based on the Pancharatnam–Berry (PB) phase have attracted significant attention in domains of subwavelength optics and electromagnetics. Conventional theory predicts that PB is exactly twice rotation angle anisotropic meta-atoms. Differently, a recent advance has demonstrated generalized representing multiple times could be obtained with high-fold rotational symmetry meta-...

This paper presents a novel method for stance and swing phase detection employing Learning Vector Quantization (LVQ), using knee angle information only. The results show detection accuracy of 95.9% in stance phase and 83.9% in swing phase. The research concludes an efficient replacement of footswitch for phase detection. The work can directly lead to low cost speed adaptive transtibial prosthes...

The electromagnetic torque and speed in Switched Reluctance Motor (SRM) greatly depend on the excitation parameters i.e. turn-on angle, turn-off angle, dwell angle and magnitude of the phase currents of its phases. At lower speeds, a change in the current contributes the torque requirement which can be achieved either by voltage control (pulse width modulation) or instantaneous current control ...