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Author(s): D. Tsitsonis, M. Kircher, N. M. Novikovskiy, F. Trinter, J. B. Williams, K. Fehre, L. Kaiser, S. Eckart, O. Kreuz, A. Senftleben, Ph. V. Demekhin, R. Berger, T. Jahnke, M. S. Schöffler, and R. Dörner We experimentally demonstrate that individual molecules of formic acid are chiral even when they are in the vibronic ground state, which has a planar equilibrium structure. We ionize the C $1s$ shell of the molecule and record the photoelectron...

Author(s): Gyunghun Kim, Jensen Li, Xianji Piao, Namkyoo Park, and Sunkyu Yu Non-Abelian physics, originating from noncommutative sequences of operations, unveils novel topological degrees of freedom. In photonics, significant efforts have been devoted to developing reconfigurable non-Abelian platforms, serving both as classical testbeds for non-Abelian quantum phenomena and… [Phys. Rev. Lett. 136, 043804] Published Fri Jan 30, 2026

Author(s): Yingfeng Qi, Siqi Xu, Bei Yan, Zebin Zhu, Yan Meng, Xiaoyuan Jiao, Linyun Yang, Zhenxiao Zhu, Ziyao Wang, and Zhen Gao Vortex or antivortex modes that carry orbital angular momentum (OAM) have provided a novel degree of freedom for modern optics and practical applications. However, their robust transport has thus far been limited to two-dimensional photonic systems. Here, we report on the first experimental observat… [Phys. Rev....

Author(s): Cisco Gooding, Cameron R. D. Bunney, Samin Tajik, Sebastian Erne, Steffen Biermann, Jörg Schmiedmayer, Jorma Louko, William G. Unruh, and Silke Weinfurtner We present a two-tone heterodyne optical readout scheme to extract unequal-time density correlations along an arbitrary stationary interaction path from a pancake-shaped Bose-Einstein condensate, using a modulated laser probe. Analyzing the measurement noise both from imprecision...

Author(s): Tingting Shi, Haitian Wang, and Xiaoling Cui We report universal bound states of microwave-shielded ultracold molecules that solely depend on the strengths of long-range dipolar interaction and microwave coupling. Under a highly elliptic microwave field, few-molecule scatterings in three dimensions are shown to be governed by effective one-dim… [Phys. Rev. Lett. 136, 043402] Published Mon Jan 26, 2026

Author(s): Bo Wang, Ruhao Pan, Lechen Yang, Xu Ji, Haifang Yang, and Junjie Li Optical bound states in the continuum (BICs) are polarization singularities with integer topological charges ($ν$) in momentum space, whose far-field radiation vanishes in the surrounding radiative states. Here, we study the dynamic evolution of topological charges in symmetry-protected BICs within … [Phys. Rev. Lett. 136, 043801] Published Mon Jan 26, 2026

Author(s): Liu Yang, Keisuke Ogawa, Ryomei Takabayashi, Yuta Mototani, Tatsuki Murakami, Hajime Kumazaki, Yongyong Zhuang, Xiaoyong Wei, and Shun Fujii Strong mode interactions in ultrahigh-Q crystalline microresonators produce a high-power, high-efficiency dissipative Kerr soliton regime revealing new nonlinear dynamics where localized mode crossings act as effective higher-order dispersion. [Phys. Rev. Lett. 136, 043802] Published Mon Jan...