Research Paper#Magnetoresistance, Quantum Physics, Magnetic Materials🔬 ResearchAnalyzed: Jan 3, 2026 17:10
Open Quantum Theory of Magnetoresistance
Published:Dec 31, 2025 03:24
•1 min read
•ArXiv
Analysis
This paper presents a microscopic theory of magnetoresistance (MR) in magnetic materials, addressing a complex many-body open-quantum problem. It uses a novel open-quantum-system framework to solve the Liouville-von Neumann equation, providing a deeper understanding of MR by connecting it to spin decoherence and magnetic order parameters. This is significant because it offers a theoretical foundation for interpreting and designing experiments on magnetic materials, potentially leading to advancements in spintronics and related fields.
Key Takeaways
- •Develops a microscopic theory of magnetoresistance within an open-quantum-system framework.
- •Connects MR to spin decoherence, including spin relaxation and dephasing.
- •Links resistance to magnetic order parameters (magnetization, Néel vector).
- •Offers a theoretical basis for understanding and designing experiments on magnetic materials.
Reference
“The resistance associated with spin decoherence is governed by the order parameters of magnetic materials, such as the magnetization in ferromagnets and the Néel vector in antiferromagnets.”