Particle creation in left-handed metamaterial transmission lines

被引：2
|
作者：
Ferreri, Alessandro [1 ]
Bruschi, David Edward [1 ,2 ]
Wilhelm, Frank K. [1 ,2 ]
机构：
[1] Forschungszentrum Julich, Inst Quantum Comp Analyt PGI 12, D-52425 Julich, Germany
[2] Univ Saarland, Theoret Phys, D-66123 Saarbrucken, Germany
来源：
PHYSICAL REVIEW RESEARCH | 2024年 / 6卷 / 03期
关键词：
HAWKING RADIATION; QUANTUM VACUUM;
D O I：
10.1103/PhysRevResearch.6.033204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Transmission lines (TLs) are excellent examples of quantum simulators of quantum fields. By appropriately driving-specific circuit elements, these devices can reproduce relativistic and quantum phenomena such as particle creation due to the nonadiabatic stimulation of the quantum vacuum. We investigate particle creation in left-handed TLs induced by the modulation of the Josephson energy in superconducting quantum interference devices. Our results show that, as a consequence of the peculiar dispersion relations present in these systems, particle production occurs with much more favorable conditions with respect to the usual right-handed TLs.
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收藏
页数：10
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