在超强耦合 regime 中从虚光子到实光子的自发转换。（注：“regime”常见释义为“政权；政体；管理制度；统治方式”等，这里结合语境可能是某个特定领域术语，暂保留英文未翻译，可根据具体专业领域进一步确定准确释义）

Spontaneous conversion from virtual to real photons in the ultrastrong-coupling regime.

作者信息

Stassi R, Ridolfo A, Di Stefano O, Hartmann M J, Savasta S

机构信息

Dipartimento di Fisica e Scienze della Terra, Università di Messina, Viale F. Stagno d'Alcontres 31, I-98166 Messina, Italy.

Physik Department, Technische Universität München, 85748 Garching, Germany.

出版信息

Phys Rev Lett. 2013 Jun 14;110(24):243601. doi: 10.1103/PhysRevLett.110.243601. Epub 2013 Jun 11.

DOI:10.1103/PhysRevLett.110.243601

PMID:25165920

Abstract

We show that a spontaneous release of virtual photon pairs can occur in a quantum optical system in the ultrastrong coupling regime. In this regime, which is attracting interest both in semiconductor and superconducting systems, the light-matter coupling rate Ω(R) becomes comparable to the bare resonance frequency of photons ω(0). In contrast to the dynamical Casimir effect and other pair creation mechanisms, this phenomenon does not require external forces or time dependent parameters in the Hamiltonian.

摘要

我们表明，在超强耦合 regime 的量子光学系统中会发生虚光子对的自发释放。在这个 regime 中，其在半导体和超导系统中都引起了关注，光与物质的耦合率Ω(R)变得与光子的裸共振频率ω(0)相当。与动态卡西米尔效应和其他对产生机制不同，这种现象不需要哈密顿量中的外力或随时间变化的参数。