News

Kumar, R., Haug, A., Kim, J. et al. Quarter- and half-filled quantum Hall states and their topological orders revealed by daughter states in bilayer graphene. Nat Commun 16, 7255 (2025). https://doi.org/10.1038/s41467-025-62650-9

Talks on both FQH-WC-FQH transitions by Andre and on FP interference by Yuval

Congrats to:

• Lorenzo and Tomer – for their excellent posters!
• Ravi and Vishal – for their outstanding talks!
• Yuval – on receiving the Nathan Rosen Prize for Experimental Physics for Young Physicists!

Thanks to Vishal, Ravi and Alexey for organizing! Thanks to all the players!
And congratulations to our winners: Tomer - 3rd place, Avirup - 2nd place, and Andre - 1st place!

Haug A., Kumar R., Firon T., Yutushui M., Watanabe K., Taniguchi T., Mross D.F., Ronen Yu. (2025). Interaction-driven quantum phase transitions between topological and crystalline orders of electrons. arXiv preprint arXiv: 2504.18626

Kim J., Dev H., Shaer A., Kumar R., Ilin A., Haug A., Iskoz Sh., Watanabe K., Taniguchi T., Mross D.F., Stern A., Ronen Yu. (2024). Aharonov-Bohm Interference in Even-Denominator Fractional Quantum Hall States. arXiv preprint arXiv:2412.19886.

Bhardwaj V., Rajagopal L., Arici L., Bocarsly M., Ilin A., Shavit G., Watanabe K., Taniguchi T., Oreg Y., Holder T., Ronen Y. (2024). Competing Orbital Magnetism and Superconductivity in electrostatically defined Josephson Junctions of Alternating Twisted Trilayer Graphene. arXiv preprint arXiv:2412.11135.

Kim, J., Dev, H., Kumar, R. et al. Aharonov–Bohm interference and statistical phase-jump evolution in fractional quantum Hall states in bilayer graphene. Nat. Nanotechnol. (2024). https://doi.org/10.1038/s41565-024-01751-w 

Kumar R., Haug A., Kim J., Yutushui M., Khudiakov K., Bhardwaj V., Ilin A., Watanabe K., Taniguchi T., Mross D. F. & Ronen Y. (2024). Quarter-and half-filled quantum Hall states and their competing interactions in bilayer graphene. arXiv preprint arXiv:2405.19405.

Kim J., Dev H., Kumar R., Ilin A., Haug A., Bhardwaj V., Hong C., Watanabe K., Taniguchi T., Stern A. & Ronen Y. (2024). Aharonov-Bohm interference and the evolution of phase jumps in fractional quantum Hall Fabry-Perot interferometers based on bi-layer graphene. arXiv preprint arXiv:2402.12432.

After two years the construction of the lab is finished! We've been working for some time already, but last week we finally moved to our newly built room.