Tootfinder

Skyrmions of Frustrated Quantum Dimer Systems
Fletcher Williams, David Dahlbom, Hao Zhang, Shruti Agarwal, Kipton Barros, Cristian D. Batista
https://arxiv.org/abs/2506.22320

Skyrmions of Frustrated Quantum Dimer Systems
Magnetic skyrmions are topologically protected solitons observed in various classes of real magnets. In two-dimensional systems, where the target space of local magnetization values is the two-sphere $S^2$, skyrmion textures are classified by the homotopy classes of two-loops $S^2$ in $S^2$: $Π_2(S^2) \cong Z$. Here, we demonstrate that more general topological skyrmion textures emerge in the classical limit of quantum dimer systems, where the phase space of the relevant classical theory is $\…

Microscopic origin of the magnetic interactions and their experimental signatures in altermagnetic La$_2$O$_3$Mn$_2$Se$_2$
Laura Garcia-Gassull, Aleksandar Razpopov, Panagiotis Peter Stavropoulos, Igor I Mazin, Roser Valent\'i
https://arxiv.org/abs/2506.21661

Microscopic origin of the magnetic interactions and their experimental signatures in altermagnetic La$_2$O$_3$Mn$_2$Se$_2$
Altermagnets (AM) are a recently introduced type of magnets, with no net magnetization like antiferromagnets, but displaying a non-relativistic Zeeman splitting in reciprocal space like ferromagnets. One of the lately discussed models to realize AM is the inverse Lieb lattice (ILL). Initially suggested as a purely theoretical construct, the ILL occurs in real materials such as La$_2$O$_3$Mn$_2$Se$_2$. However, AM on the ILL requires 90$^\circ$ nearest-neighbor superexchange to be {\it antiferro…

Floquet odd-parity collinear magnets
Tongshuai Zhu, Di Zhou, Huaiqiang Wang, Jiawei Ruan
https://arxiv.org/abs/2508.02542 https://arxiv.org/pdf/2508.02542

Floquet odd-parity collinear magnets
Altermagnets (AMs), recently discovered unconventional magnets distinct from ferro- and antiferromagnets, have rapidly emerged as a prominent frontier in condensed matter physics. AMs are characterized by alternating collinear magnetic moments with zero net magnetization in real space, and spin splittings with even-parity symmetry in momentum space. However, their counterparts exhibiting odd-parity spin splitting remain largely unexplored. Here, based on symmetry argument, we show that such unc…

Symmetry, microscopy and spectroscopy signatures of altermagnetism
Tomas Jungwirth, Jairo Sinova, Rafael M. Fernandes, Qihang Liu, Hikaru Watanabe, Shuichi Murakami, Satoru Nakatsuji, Libor Smejkal
https://arxiv.org/abs/2506.22860

Symmetry, microscopy and spectroscopy signatures of altermagnetism
Altermagnetism is a collinear compensated magnetically-ordered phase with a d, g or i-wave anisotropy and alternating spin polarization of the electronic structure in the position and momentum space. Its recent discovery was in part motivated by the research of compensated magnets towards highly scalable spintronic technologies. Simultaneously, altermagnetism shares the anisotropic higher-partial-wave nature of ordering with unconventional superfluid phases which have been at the forefront of r…

Strain-Induced Non-alter Compensated Magnet and Its Application to Magnetic Tunnel Junction Device Design
Fangqi Liu, Yanrong Song, Zhenhua Zhang, Yong Liu, Sicong Zhu, Zhihong Lu, Rui Xiong
https://arxiv.org/abs/2506.22770

Strain-Induced Non-alter Compensated Magnet and Its Application to Magnetic Tunnel Junction Device Design
The recent proposal of altermagnetism has drawn widespread attention to antiferromagnet (AFM) exhibiting spin splitting, extending beyond the realm of sign-alternating spin splitting in momentum space protected solely by rotational symmetry. Herrin, we propose a shear-strain strategy that enables significant modulation of d-wave altermagnets into an non-alter compensated magnets. A comprehensive analysis combining the magnetic moment compensation characteristics of opposite spin sublattices wit…