Exotic Quantum States of Circuit Quantum Electrodynamics in the Ultra-Strong Coupling Regime

被引:5
|
作者
Choi, Mahn-Soo [1 ]
机构
[1] Korea Univ, Dept Phys, Seoul 02841, South Korea
基金
新加坡国家研究基金会;
关键词
circuit QED; photon– qubit coupling; quantum states; Rabi Hamiltonian; superconducting qubits; topological matter; MAJORANA FERMIONS; GROUND-STATE; SYSTEM; CHARGE; SUPERCONDUCTOR; TRANSPORT; DYNAMICS; PHOTONS; VACUUM; CHAINS;
D O I
10.1002/qute.202000085
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The quantum coherent behaviors of superconducting devices at macroscopic scales and recent technical advances in fine tunability have brought the conventional cavity quantum electrodynamics (QED) to superconducting circuits. With an ultra-strong cavity photon-artificial atom coupling and the inherent nonlinearity of the Josephson junctions, the so-called circuit QED offers new opportunities to explore new realms of physics that have remained a challenge for conventional cavity QED. Circuit QED has even attracted public attention as the leading architecture for quantum computation. In this article, a pedagogical review of recent studies and activities on exotic quantum states that can be attributed to ultra-strong coupling is provided. A progress report on attempts to seek the smallest unit of the topological matter and its fundamental interaction with light is also provided.
引用
收藏
页数:20
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