Rotary photon drag at the earth’s rotation rate in a Sagnac interferometer

IF 2.8 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY The European Physical Journal Plus Pub Date : 2025-03-14 DOI:10.1140/epjp/s13360-025-06173-8
Sana Ullah, Arif Ullah, M. Imtiaz Khan, Ashfaq Ahmad, Imran Khan
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Abstract

Our own earth rotates with a moderate angular velocity of \(7.2921159\times 10^{-5}\) rad/sec and completes one revolution approximately in 23 hours 56 minutes and 4.09 seconds, which is also known as a sidereal day. In this work, rotary photon drag (RPD) is theoretically investigated at the earth’s rotation rate in a Saganac interferometer (SI) using a double-V-type rubidium atomic system within the interferometer. RPD angles reach to a maximum of \(\pm 1\times 10^{-10}\), \(\pm 2\times 10^{-10}\) and \(\pm 3\times 10^{-10}\) radians. RPD is examined to be function of probe field detuning, phase angles, and control fields strength. Electric susceptibility, group refractive index, and relativistic group velocities are examined. Electromagnetically induced transparency (EIT) is observed at the specific values of population probability in the two ground states. These results may find potential applications in rotation sensing and special imaging/coding technology.

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来源期刊
The European Physical Journal Plus
The European Physical Journal Plus PHYSICS, MULTIDISCIPLINARY-
CiteScore
5.40
自引率
8.80%
发文量
1150
审稿时长
4-8 weeks
期刊介绍: The aims of this peer-reviewed online journal are to distribute and archive all relevant material required to document, assess, validate and reconstruct in detail the body of knowledge in the physical and related sciences. The scope of EPJ Plus encompasses a broad landscape of fields and disciplines in the physical and related sciences - such as covered by the topical EPJ journals and with the explicit addition of geophysics, astrophysics, general relativity and cosmology, mathematical and quantum physics, classical and fluid mechanics, accelerator and medical physics, as well as physics techniques applied to any other topics, including energy, environment and cultural heritage.
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