Casimir force in high‑Q cavities under different parameters

doi:10.3969/j.issn.1007-5461.2025.06.012

Abstract

Abstract: The Casimir effect, as one of the important evidences for the existence of vacuum zero-point energy, has profound significance in both theoretical and practical application fields. This paper investigates the static Casimir effect in a quantum dissipative microcavity with one end output-coupled under compressed vacuum state. Firstly, based on the light field environment mode, the analytical expression of Casimir force between two parallel plates in a high-Q cavity is obtained by using normalization scheme. And then, the properties of Casimir force is revealed through numerical analysis, and the effects of mirror spacing, the reflectivity of the cavity wall, and the compression coefficient of the cavity field on the Casimir effect are discussed. Studying the Casimir force is not only of great significance for the development of fundamental science of cavity optomechanics, but also has potential value in technical applications and interdisciplinary research.

Key words: quantum optics, static Casimir effect, Riemann function regularization, compression dissipative cavity, reflection coefficient, compression coefficient

CLC Number:

O413.1

BAHETIGULI Asilibieke , RAN Qiyi , LONG Yumei , LIU Hui ZHENG Taiyu , TUERXUN Aidilibike . Casimir force in high‑Q cavities under different parameters[J]. Chinese Journal of Quantum Electronics, 2025, 42(6): 849-856.

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