Direct measurement of a non-Hermitian topological invariant in a hybrid light-matter system

• المؤلفون الرئيسيون: Su, Rui, Estrecho, Eliezer, Biegańska, Dąbrówka, Huang, Yuqing, Wurdack, Matthias, Pieczarka, Maciej, Truscott, Andrew G., Liew, Timothy Chi Hin, Ostrovskaya, Elena A., Xiong, Qihua
• مؤلفون آخرون: School of Physical and Mathematical Sciences
• التنسيق: مقال
• اللغة: English
• منشور في: 2022
• الموضوعات: Science::Physics::Optics and light; Superfluidity; Exceptional Points
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/156276
• المؤسسة: Nanyang Technological University

Topology is central to understanding and engineering materials that display robust physical phenomena immune to imperfections. Different topological phases of matter are characterized by topological invariants. In energy-conserving (Hermitian) systems, these invariants are determined by the winding...