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Publications

  • Krylov Winding and Emergent Coherence in Operator Growth Dynamics

    Author(s): Rishik Perugu, Bryce Kobrin, Michael O. Flynn, and Thomas Scaffidi Operator growth at finite temperature in quantum chaotic systems relies on coherent spreading in the Krylov basis. [Phys. Rev. Lett. 136, 150402] Published Mon Apr 13, 2026

  • Imaging Kekulé Spiral Order in Graphene

    Author(s): Can Zhang, Hua Chen, Ying Su, Fudi Zhou, Lili Zhou, Zhaoteng Dong, Mengya Ren, Lijun Zhang, Yu Zhang, and Yeliang Wang The first experimental evidence that a 1D nanostructure induces Kekulé spiral order in graphene. [Phys. Rev. Lett. 136, 156401] Published Mon Apr 13, 2026

  • Tensor Network Method for Real-Space Topology in Quasicrystal Chern Mosaics

    Author(s): Tiago V. C. Antão, Yitao Sun, Adolfo O. Fumega, and Jose L. Lado A quantum-many-body-inspired tensor-network algorithm can compute local topological invariants for systems with hundreds of millions of sites by avoiding an explicit storage of Hamiltonian matrices. [Phys. Rev. Lett. 136, 156601] Published Mon Apr 13, 2026

  • Anomalous Terahertz Nonlinearity in Disordered $s$-Wave Superconductor Close to the Superconductor-Insulator Transition

    Author(s): Hao Wang, Jiayu Yuan, Hongkai Shi, Haojie Li, Xiaoqing Jia, Xiaohui Song, Liyu Shi, Tianyi Wu, Li Yue, Yangmu Li, Kui Jin, Dong Wu, Jianlin Luo, Xinbo Wang, Tao Dong, and Nan-Lin Wang A persistent normal-state third-harmonic generation (THG) signal extending up to ten times Tc and a multipeak THG spectrum in the superconducting state reveal an unexpected interplay between disorder, electronic correlations, and superconducting inhomogeneity...

  • Observation of Gyroscopic Coupling in a Nonspinning Levitated Ferromagnet

    Author(s): Felix Ahrens and Andrea Vinante An isolated magnet’s intrinsic angular momentum induces gyroscopic motion, an observation that could lead to ultrasensitive magnetometers. [Phys. Rev. Lett. 136, 146703] Published Fri Apr 10, 2026

  • High-Precision Penning Trap Spectroscopy of the Ground State Spin Structure of ${\mathrm{HD}}^{+}$

    Author(s): Charlotte M. König, Matthew Bohman, Fabian Heiße, Jonathan Morgner, Tim Sailer, Bingsheng Tu, Klaus Blaum, Sven Sturm, Dimitar Bakalov, Hugo D. Nogueira, Jean-Philippe Karr, Ossama Kullie, and Stephan Schiller Precise spectroscopy of a simple molecular ion opens a new path toward stringent tests of quantum electrodynamics. [Phys. Rev. Lett. 136, 143002] Published Wed Apr 08, 2026

  • Finite-Size Spectral Signatures of Order by Quantum Disorder: A Perspective from Anderson’s Tower of States

    Author(s): Subhankar Khatua, Griffin C. Howson, Michel J. P. Gingras, and Jeffrey G. Rau Order by quantum disorder leaves distinct finite-size signatures in the exact diagonalization spectrum that are captured by an effective quantum-rotor description analogous to the Anderson tower of states. [Phys. Rev. Lett. 136, 146702] Published Wed Apr 08, 2026
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