Spintronics and quantum information science are two promising candidates for innovating
information processing technologies. The combination of these two fields enables us to build …

Dissipation in mechanics, optics, acoustics, and electronic circuits is nowadays recognized
to be not always detrimental but can be exploited to achieve non-Hermitian topological …

Non-Hermitian Hamiltonians provide an alternative perspective on the dynamics of quantum
and classical systems coupled non-conservatively to an environment. Once primarily an …

A magnetic bimeron is a topologically nontrivial spin texture carrying an integer topological
charge, which can be regarded as the counterpart of the skyrmion in easy-plane magnets …

Magnons serve as a testing ground for fundamental aspects of Hermitian and non-Hermitian
wave mechanics and are of high relevance for information technology. This study presents …

Non-Hermitian Hamiltonians may still have real eigenvalues, provided that a combined
parity-time (ƤƮ) symmetry exists. The prospect of ƤƮ symmetry has been explored in …

Achieving magnetometers with ultrahigh sensitivity at room temperature is an outstanding
problem in physical sciences and engineering. Recently developed non-Hermitian cavity …

Antiferromagnetic (AFM) skyrmionium composed of two topological AFM skyrmions shares
the merits of an AFM skyrmion, for example, high mobility and no skyrmion Hall effect. Here …

Wave fields with spiral phase dislocations carrying orbital angular momentum (OAM) have
been realized in many branches of physics, such as for photons, sound waves, electron …

Based on atomistic spin dynamics simulations, we report the ultrafast generation of single
antiferromagnetic (AFM) skyrmions in a confined geometry. This process is achieved …