Microwave spectroscopy on heavy‐fermion systems: Probing the dynamics of charges and magnetic moments
Microwave spectroscopy on heavy‐fermion systems: Probing the dynamics of charges and magnetic moments
复制标题
重费米子系统的微波光谱:探测电荷和磁矩的动力学
DOI:
10.1002/pssb.201200925
复制
发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Frank Steglich
中科院分区:
文献类型:
--
作者:
Marc Scheffler;Katrin Schlegel;Conrad Clauss;Daniel Hafner;Christian Fella;Martin Dressel;Martin Jourdan;Jörg Sichelschmidt;Cornelius Krellner;Christoph Geibel;Frank Steglich
Investigating solids with light gives direct access to charge dynamics, electronic and magnetic excitations. For heavy fermions, one has to adjust the frequency of the probing light to the small characteristic energy scales, leading to spectroscopy with microwaves. We review general concepts of the frequency‐dependent conductivity of heavy fermions, including the slow Drude relaxation and the transition to a superconducting state, which we also demonstrate with experimental data taken on UPd2Al3. We discuss the optical response of a Fermi liquid and how it might be observed in heavy fermions. Microwave studies with focus on quantum criticality in heavy fermions concern the charge response, but also the magnetic moments can be addressed via electron spin resonance (ESR). We discuss the case of YbRh2Si2, the open questions concerning ESR of heavy fermions, and how these might be addressed in the future. This includes an overview of the presently available experimental techniques for microwave studies on heavy fermions, with a focus on broadband studies using the Corbino approach and on planar superconducting resonators.
登录
查看更多内容
影响因子:
3.7
作者:
C. Song;T. Heitmann;M. Defeo;K. Yu;R. McDermott;M. Neeley;J. Martinis;B. Plourde
通讯作者:
C. Song;T. Heitmann;M. Defeo;K. Yu;R. McDermott;M. Neeley;J. Martinis;B. Plourde
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
J. Duque;E. M. Bittar;C. Adriano;C. Giles;L. Holanda;R. Lora;P. Pagliuso;C. Rettori;C. A. Pérez;R. Hu;C. Petrovic;S. Maquilon;Z. Fisk;D. Huber;S. Oseroff
通讯作者:
S. Oseroff
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
M. Scheffler;C. Fella;M. Dressel
通讯作者:
M. Dressel
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
A. Rosch;P. Howell
通讯作者:
P. Howell
影响因子:
1.6
作者:
P. Turner;D. Broun;S. Kamal;M. Hayden;J. Bobowski;R. Harris;D. C. Morgan;J. Preston;D. Bonn;W. Hardy
通讯作者:
W. Hardy