Emerging Research Landscape of Altermagnetism

🤖 Plain-English Summary

Magnetism is one of the largest, most fundamental, and technologically most relevant fields of condensed-matter physics. Our perspective starts with an overview of the still emerging unique phenomenology of this unconventional d-wave (or higher even-parity wave) magnetic phase, and of the wide array of altermagnetic material candidates.

🔑 Key Findings

• Traditionally, two basic magnetic phases have been distinguished ferromagnetism and antiferromagnetism.
• The spin polarization in the electronic band structure reflecting the magnetization in ferromagnetic crystals underpins the broad range of time-reversal symmetry-breaking responses in this extensively explored and exploited type of magnets.
• By comparison, antiferromagnets have vanishing net magnetization.

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