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Publications

Under review

  1. J.-X. Qiu, B. Ghosh, J. Schutte-Engel, T. Qian, M. Smith, Y.-T Yao, Junyeong Ahn, A. Gao, C. Tzschaschel, H.-C. Li, Y.-F. Liu, I. Petrides, D. Berube, T. Dinh, T. Huang, O. Liebman, J. Blawat, K. Watanabe, T. Taniguchi, K. C. Fong, H. Lin, P. Orth, P. Narang, C. Felser, T.-R. Chang, A. Bansil, Q. Ma, R. McDonald, R. McQueeney, I. Martin, N. Ni, D. Marsh, A. Vishwanath, and S.-Y. Xu, under review.

  2. C. Broyles, S. Mardanya, M. Liu, Junyeong Ahn, T. Dinh, G. Alqasseri, J. Garner, Z. Rehfuss, K. Guo, J. Zhu, D. Martinez, D. Li, Y. Hao, H. Cao, M. Boswell, W. Xie, J. Philbrick, T. Kong, L. Yang, A. Vishwanath, P. Kim, S.-Y. Xu, J. Hoffman, J. Denlinger, S. Chowdhury, and S. Ran, under review.

  3. B. Kuthanazhi, B. Schrunk, E. O'Leary, A. Eaton, R.-J. Slager, Junyeong Ahn, L.-L. Wang, P. Canfield, and A. Kaminski, under review.

2025

  1. TBD.

Prior to 2025

  1. Junyeong Ahn and B. Ghosh, “Topological circular dichroism in chiral multifold fermions”, Physical Review Letters 131, 116603 (2023).

  2. Junyeong Ahn, “Topological enhancement of nonlinear transports in unconventional point-node semimetals”, Physical Review B 107, L201112 (2023).

  3. H.-C. Hsu, J.-S. You, Junyeong Ahn, G.-Y. Guo, “Nonlinear photoconductivities and quantum geometry of chiral multifold fermions”, Physical Review B 107, 155434 (2023).

  4. J.-X. Qi, C. Tzschaschel, Junyeong Ahn, A. Gao, H. Li, X.-Y. Zhang, C. Hu, Y.-X. Wang, B. Ghosh, D. Bérubé, Z. Gong, K. Watanabe, T. Taniguchi, D. C. Bell, H.-Z. Lu, A. Bansil, H. Lin, T.-R. Chang, Q. Ma, A. Vishwanath, N. Ni, and S.-Y. Xu, “Axion optical induction of antiferromagnetic order”, Nature Materials 22, 583 (2023).

  5. L.-L. Wang, Junyeong Ahn, R.-J. Slager, Y. Kushnirenko, B. G. Ueland, A. Sapkota, B. Schrunk, B. Kuthanazhi, R. J. McQueeney, P. C. Canfield, A. Kaminski, “Unconventional surface state pairs in a high-symmetry lattice with anti-ferromagnetic band-folding”, Communications Physics 6, 78 (2023).

  6. Junyeong Ahn, S.-Y. Xu, and A. Vishwanath, “Theory of optical axion electrodynamics and application to the Kerr effect in topological antiferromagnets”, Nature Communications 13, 7615 (2022).

  7. Y. Kushnirenko, B. Schrunk, B. Kuthanazhi, L.-L. Wang, Junyeong Ahn, E. O’Leary, A. Eaton, S. L. Bud’ko, R.-J. Slager, P. C. Canfield, and A. Kaminski, “Rare-earth monopnoctides: Family of antiferromagnets hosting magnetic Fermi arcs”, Physical Review B 106, 115112 (2022).

  8. B. Schrunk, Y. Kushnirenko, B. Kuthanazhi, Junyeong Ahn, L.-L. Wang, E. O’Leary, K. Lee, A. Eaton, A. Fedorov, R. Lou, v. Voroshnin, O. J. Clark, J. Sanchez-Barriga, S. L. Bud’ko, R.-J. Slager, P. Canfield, and A. Kaminski, “Emergence of Fermi arcs and novel magnetic splitting in an antiferromagnet”, Nature 603, 610 (2022).

  9. Junyeong Ahn, G.-Y. Guo, N. Nagaosa, and A. Vishwanath, “Riemannian geometry of resonant optical responses”, Nature Physics 18, 290 (2022).

  10. Junyeong Ahn and N. Nagaosa, “Superconductivity-induced spectral weight transfer due to quantum geometry”, Physical Review B 104, L100501 (2021).

  11. Junyeong Ahn and B.-J. Yang, “Unconventional Majorana fermions on the surface of topological superconductors protected by rotational symmetry”, Physical Review B 103, 184502 (2021).

  12. Junyeong Ahn and N. Nagaosa, “Many-body selection rule for quasiparticle pair creations in centrosymmetric superconductors”, arxiv:2108.04846.

  13. Junyeong Ahn and N. Nagaosa, “Theory of optical responses in clean multiband superconductors”, Nature Communications 12, 1617 (2021).

  14. Junyeong Ahn, G.-Y. Guo, and N. Nagaosa, “Low-frequency divergence and quantum geometry of the bulk photovoltaic effect in topological semimetals”, Physical Review X 10, 041041 (2020).

  15. Junyeong Ahn and B.-J. Yang, “Higher-order topological superconductivity of spin-polarized fermions”, Physical Review Research 2, 012060(R) (2020).

  16. E. Lee, R. Kim, Junyeong Ahn, and B.-J. Yang, “Two-dimensional higher-order topology in monolayer graphdiyne”, npj Quantum Materials 5:1 (2020).

  17. J. Y. Lee, Junyeong Ahn, H. Zhou, and A. Vishwanath, “Topological correspondence between Hermitian and non-Hermitian systems: Anomalous dynamics”, Physical Review Letters 123, 206404 (2019).

  18. Y. Hwang, Junyeong Ahn, and B.-J. Yang, “Fragile topology protected by inversion symmetry: Diagnosis, bulk-boundary correspondence, and Wilson loop”, Physical Review B 100, 195128 (2019).

  19. Junyeong Ahn, S. Park, D. Kim, Y. Kim, and B.-J. Yang, “Stiefel-Whitney classes and topological phases in band theory”, Chinese Physics B 28, 117101 (2019).

  20. Junyeong Ahn and B.-J. Yang, “Symmetry representation approach to topological invariants in C2zT-symmetric systems”, Physical Review B 99, 235125 (2019).

  21. Junyeong Ahn, S. Park, and B.-J. Yang, “Failure of Nielsen-Ninomiya theorem and fragile topology in two-dimensional systems with space-time inversion symmetry: application to twisted bilayer graphene at magic angle”, Physical Review X 9, 021013 (2019).

  22. Junyeong Ahn, D. Kim, Y. Kim, and B.-J. Yang, “Band topology and linking structure of nodal line semimetals with Z2 monopole charges”, Physical Review Letters 121, 106403 (2018).

  23. Junyeong Ahn and B.-J. Yang, “Unconventional topological phase transition in two-dimensional systems with space-time inversion symmetry”, Physical Review Letters 118, 156401 (2017).

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