Spectral Control of an X-Ray L-Edge Transition via a Thin-Film Cavity

被引：21

作者：

Haber, Johann ^{[1
]}

Gollwitzer, Jakob ^{[1
]}

Francoual, Sonia ^{[1
]}

Tolkiehn, Martin ^{[1
]}

Strempfer, Joerg ^{[1
]}

Roehlsberger, Ralf ^{[1
,2
]}

机构：

[1] DESY, Notkestr 85, D-22607 Hamburg, Germany

[2] Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2019年 / 122卷 / 12期

关键词：

LAMB SHIFT; QUANTUM-ELECTRODYNAMICS; ATOMS; STATES; RADIATION; NUCLEI; LINES;

D O I：

10.1103/PhysRevLett.122.123608

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By embedding a thin layer of tantalum in an x-ray cavity, we observe a change in the spectral characteristics of an inner-shell transition of the metal. The interaction between the cavity mode vacuum and the L-m-edge transition is enhanced, permitting the observation of the collective Lamb shift, superradiance, and a Fano-like cavity-resonance interference effect. This experiment demonstrates the feasibility of cavity quantum electrodynamics with electronic resonances in the x-ray range with applications to manipulating and probing the electronic structure of condensed matter with high-resolution x-ray spectroscopy in an x-ray cavity setting.

引用

页数：5

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