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High Harmonic Generation in Triangular Graphene Quantum Dots

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Abstract

Higher harmonic generation in plane graphene quantum dots initiated by intense coherent radiation is investigated using dynamical Hartree–Fock mean-field theory. A microscopic theory describing the extreme nonlinear optical response of plane graphene quantum dots is developed. The closed set of differential equations for the single-particle density matrix at the multiphoton interaction of graphene quantum dots and strong laser field is solved numerically. The obtained solutions indicate the significance of the type of edge and lateral size and the band gap and laser field strength in the process of high harmonic generation in the triangular graphene quantum dot.

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ACKNOWLEDGMENTS

We are deeply grateful to Prof. H.K. Avetissian and Dr. G.F. Mkrtchian for the permanent discussions and valuable recommendations.

Funding

This work was supported by the Science Committee of the Republic of Armenia within the framework of the research project 20TTWS–1C010.

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Authors and Affiliations

  1. Centre of Strong Fields Physics, Yerevan State University, 0025, Yerevan, Armenia

    B. R. Avchyan, A. G. Ghazaryan, K. A. Sargsyan & Kh. V. Sedrakian

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  1. B. R. Avchyan
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  2. A. G. Ghazaryan
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  3. K. A. Sargsyan
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  4. Kh. V. Sedrakian
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Corresponding author

Correspondence to A. G. Ghazaryan.

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Avchyan, B.R., Ghazaryan, A.G., Sargsyan, K.A. et al. High Harmonic Generation in Triangular Graphene Quantum Dots. J. Exp. Theor. Phys. 134, 125–134 (2022). https://doi.org/10.1134/S106377612202011X

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  • DOI: https://doi.org/10.1134/S106377612202011X

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