全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
Physics  2013 

Lifshitz transitions and quasiparticle de-renormalization in YbRh$_2$Si$_2$

DOI: 10.1088/1367-2630/15/9/093032

Full-Text   Cite this paper   Add to My Lib

Abstract:

We study the effect of magnetic fields up to 15 T on the heavy fermion state of YbRh$_2$Si$_2$ via Hall effect and magnetoresistance measurements down to 50 mK. Our data show anomalies at three different characteristic fields. We compare our data to renormalized band structure calculations through which we identify Lifshitz transitions associated with the heavy fermion bands. The Hall measurements indicate that the de-renormalization of the quasiparticles, {\it i.e} the destruction of the local Kondo singlets, occurs smoothly while the Lifshitz transitions occur within rather confined regions of the magnetic field.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133