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March 8, 2026Communications in PhysicsOpen Access

Influence of magnetic field on optical response in a degenerate four-level lambda-type atomic system

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Authors

NTNguyen Xuan Thanh TramNANguyen Thi Phuong AnhNNNguyen Thi Ngoc

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Overview

Theoretical investigation reveals changes in light transparency and absorption under a magnetic field, suggesting potential applications in optical technologies.

Key Points

  • To explore how a magnetic field affects the optical response of a degenerate four-level ambda-type atomic system.
  • Theoretical modeling of the atomic system under an external magnetic field.
  • Analysis of changes in two-photon resonance conditions due to the Zeeman effect.
  • Examination of dispersion and group index curves to assess light response.
  • The magnetic field causes a shift from single-EIT to double-EIT.
  • Alterations in EIT positions correspond to changes in dispersion and group index.
  • The system can switch between transparency and absorption modes.

Cite This Study

Tram et al. (2026) studied this question.

synapsesocial.com/papers/69ada804bc08abd80d5bb2c6https://doi.org/10.15625/0868-3166/23473
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