Anomalous Transport Behavior in Quantum Magnets

Condensed Matter

Belitz, Dietrich¹  Kirkpatrick, Theodore R.² 

[1] Department of Physics, Institute of Theoretical Science, and Materials Science Institute, University of Oregon, Eugene, OR 97403, USA;Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, USA

关键词: strongly correlated electrons;    quantum magnets;    non-Fermi liquid transport behavior;   

DOI  :  10.3390/condmat3040030

学科分类：凝聚态物理

来源: mdpi

【 摘 要 】

Transport behavior that is characterized by a low-temperature electrical resistivity that displays a power law behavior (ρ( T → 0 )∝T s ) with an exponent of s < 2 is commonly observed in magnetic materials in both the magnetic and non-magnetic phases. We give a pedagogical overview of this phenomenon that summarizes both the experimental situation and the state of its theoretical understanding. We also put it in context by drawing parallels with unusual power law transport behavior in other systems.

【 授权许可】

CC BY