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.

引用

页数：10

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