Altermagnetism: Exploring new frontiers in magnetism and spintronics

L Bai, W Feng, S Liu, L Šmejkal… - Advanced Functional …, 2024 - Wiley Online Library
Recent developments have introduced a groundbreaking form of collinear magnetism
known as “altermagnetism”. This emerging magnetic phase is characterized by robust time …

Broken kramers degeneracy in altermagnetic mnte

S Lee, S Lee, S Jung, J Jung, D Kim, Y Lee, B Seok… - Physical Review Letters, 2024 - APS
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net
magnetization and time-reversal symmetry broken electronic structure. Probing the unusual …

Spin-polarized antiferromagnetic metals

S Shim, M Mehraeen, J Sklenar… - Annual Review of …, 2024 - annualreviews.org
Spin-polarized antiferromagnets have recently gained significant interest because they
combine the advantages of both ferromagnets (spin polarization) and antiferromagnets …

Altermagnetic routes to Majorana modes in zero net magnetization

SAA Ghorashi, TL Hughes, J Cano - Physical Review Letters, 2024 - APS
We propose heterostructures that realize first and second order topological
superconductivity with vanishing net magnetization by utilizing altermagnetism. Such …

Altermagnetic superconducting diode effect

S Banerjee, MS Scheurer - Physical Review B, 2024 - APS
Nonreciprocal superconductivity, also known as the superconducting diode effect, has been
extensively studied in the presence of a magnetic field or some form of ferromagnetic order …

Topological superconductivity in two-dimensional altermagnetic metals

D Zhu, ZY Zhuang, Z Wu, Z Yan - Physical Review B, 2023 - APS
Bringing magnetic metals into superconducting states represents an important approach for
realizing unconventional superconductors and potentially even topological …

Andreev reflection at the altermagnet-superconductor interface

M Papaj - Physical Review B, 2023 - APS
Altermagnets are a new class of magnetic materials, which exhibit large spin splitting, but
due to the combined spin and real space group symmetry protection maintain zero net …

Landau theory of altermagnetism

PA McClarty, JG Rau - Physical Review Letters, 2024 - APS
We formulate a Landau theory for altermagnets, a class of collinear compensated magnets
with spin-split bands. Starting from the nonrelativistic limit, this Landau theory goes beyond a …

Zero-field finite-momentum and field-induced superconductivity in altermagnets

D Chakraborty, AM Black-Schaffer - Physical Review B, 2024 - APS
We explore the possibilities for spin-singlet superconductivity in newly discovered
altermagnets. Investigating d-wave altermagnets, we show that finite-momentum …

Two-dimensional altermagnets: Superconductivity in a minimal microscopic model

B Brekke, A Brataas, A Sudbø - Physical Review B, 2023 - APS
We propose a minimal toy model for a two-dimensional altermagnet. The model unravels
altermagnetic properties at a microscopic level. We find spin-split electron and …