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Related papers: Altermagnetism in quasicrystals

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An altermagnet is a recently identified class of magnets that exhibit a zero net magnetic moment but break symmetry under the combined operations of parity and time reversal. It typically consists of two magnetic sites of opposite spins…

Strongly Correlated Electrons · Physics 2026-05-04 G. Channagowdra , A. Singh , H. Y. Huang , M. Furo , Bin Gao , Pengcheng Dai , C. T. Chen , J. Kunes , A. Fujimori , S-W. Cheong , A. Hariki , D. J. Huang

Altermagnets (AM) are a novel class of magnetic materials with zero net magnetization but broken time-reversal symmetry and spin-split bands exceeding the spin-orbit coupling scale, offering unique control of individual spin-channel and…

Materials Science · Physics 2024-12-16 Xuhao Wan , Subhasish Mandal , Yuzheng Guo , Kristjan Haule

Altermagnetism is an emerging series of unconventional magnetic materials characterized by time-reversal symmetry breaking and spin-split bands in the momentum space with zero net magnetization. Metallic altermagnets offer unique advantages…

Materials Science · Physics 2025-02-20 Weiwei Sun , Mingzhuang Wang , Baisheng Sa , Shaui Dong , Carmine Autieri

Broken inversion symmetry at the surfaces of centrosymmetric collinear antiferromagnets lifts combined inversion and time-reversal symmetry ($PT$) and can, in principle, enable nonrelativistic d-wave spin splitting, termed surface…

Materials Science · Physics 2026-05-20 Ersoy Sasioglu , Ingrid Mertig , Samir Lounis

Unconventional magnetism represents a paradigm shift in condensed matter physics, effectively bridging the fast, high-density advantages of antiferromagnets with the facile read-write capability of ferromagnets. Recent developments in spin…

Materials Science · Physics 2026-03-31 Xiaobing Chen , Weizhao Chen , Qihang Liu

Altermagnets represent a new class of magnetic phases without net magnetization that are invariant under a combination of rotation and time reversal. Unlike conventional collinear antiferromagnets (AFM), altermagnets could lead to new…

Altermagnets have attracted considerable attention in recent years owing to their potential technological applications in spintronics and magnonics. Recently, a new class of spontaneous altermagnets has been theoretically predicted in a…

Strongly Correlated Electrons · Physics 2026-03-02 Nitin Kaushal , Adarsh S. Patri , Marcel Franz

The stable magnetisation configurations of antiferromagnets on quasiperiodic tilings are investigated theoretically. The exchange coupling is assumed to decrease exponentially with the distance between magnetic moments. It is demonstrated…

Disordered Systems and Neural Networks · Physics 2007-05-23 E. Y. Vedmedenko , U. Grimm , R. Wiesendanger

The Stoner criterion for ferromagnetism arises from interaction-driven asymmetric filling of spin bands, requiring that the spin susceptibility: (i) peaks dominantly at $\mathbf{Q}=\bm{0}$; and (ii) diverges at a critical interaction…

Strongly Correlated Electrons · Physics 2025-10-02 Chen Lu , Chao Cao , Huiqiu Yuan , Piers Coleman , Lun-Hui Hu

I present a tensorial approach to the description of $\vec{k}/-\vec{k}$-symmetric, time-reversal-odd splitting of electronic bands in magnetic materials, which can be of non-relativistic origin and was recently given the name of…

Strongly Correlated Electrons · Physics 2024-08-22 Paolo G. Radaelli

The antiferroaxial state is emerging as an important ferroic order in condensed matter systems. Here, we establish antiferroaxial altermagnetism as a broadly prevalent, generic, and microscopically grounded multiferroic mechanism, in which…

Materials Science · Physics 2026-02-12 Yichen Liu , Cheng-Cheng Liu

We theoretically predict a spin-current analog of the quantized circular photogalvanic effect in Weyl semimetals. This phenomenon is forbidden in antiferromagnets by symmetry but uniquely allowed in altermagnets, highlighting a novel and…

Mesoscale and Nanoscale Physics · Physics 2026-04-27 Hiroki Yoshida , Jan Priessnitz , Libor Šmejkal , Shuichi Murakami

Synergizing altermagnetism and other ferroic orders, such as ferroelectric switchable altermagnetism [Phys. Rev. Lett. 134, 106801 (2025) and ibid. 106802 (2025)], offers an effective route to achieve nonvolatile switching of altermagnetic…

Materials Science · Physics 2025-07-15 Rui Peng , Shibo Fang , Pin Ho , Tong Zhou , Junwei Liu , Yee Sin Ang

Altermagnetic crystals resemble antiferromagnets in that they have no macroscopic magnetization, but unlike antiferromagnets they exhibit spin-split band structures. Here the transport properties of altermagnetic quantum dots and their…

Mesoscale and Nanoscale Physics · Physics 2026-02-10 George Kirczenow

Inversion-asymmetric antiferromagnets (AFMs) with odd-parity spin-polarization pattern have been proposed as a new venue for spintronics. These AFMs require commensurate ordering to ensure an effective time-reversal symmetry, which…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Changhee Lee , Nico A. Hackner , P. M. R. Brydon

Altermagnetism, an emergent magnetic phase featuring compensated collinear magnetic moments and momentum-dependent spin splittings, has recently garnered widespread interest. A critical issue concerns whether the unconventional spin…

Materials Science · Physics 2026-05-28 Wen-Ti Guo , Junqi Xu , Yurong Yang , Haijun Zhang , Huaiqiang Wang

Magnetoelectric multiferroics are highly sought after for applications in low-power electronics and for advancing fundamental research, including axion insulators and dark matter detection. However, achieving a combination of ferroic spin…

Materials Science · Physics 2024-12-02 Libor Šmejkal

Altermagnets are a novel class of magnetic materials that bridge the gap between ferromagnets (FMs) and antiferromagnets (AFMs). A key feature is the non-degeneracy of magnon modes where spin splitting occurs, leading to chirality and…

Strongly Correlated Electrons · Physics 2025-09-19 Wejdan Beida , Ersoy Sasioglu , Christoph Friedrich , Gustav Bihlmayer , Yuriy Mokrousov , Stefan Blügel

Kinetomagnetism refers to magnetization induced by (electric) current, encompassing longitudinal or transverse effects and even- or odd-order phenomena. The essential prerequisite for kinetomagnetism is the breaking of PT (=Parity times…

Strongly Correlated Electrons · Physics 2025-03-21 Sang-Wook Cheong , Fei-Ting Huang

Altermagnet (AM), a recently identified class of collinear magnet, has garnered significant attention due to its unique combination of zero net magnetization and spin-split energy bands, leading to a variety of novel physical phenomena.…

Strongly Correlated Electrons · Physics 2026-01-21 Miaomiao Zhao , Wei-Wei Yang , Yin Zhong