Restoring adiabatic state transfer in time-modulated non-Hermitian systems

II Arkhipov, F Minganti, A Miranowicz, ŞK Özdemir… - Physical review …, 2024 - APS
Non-Hermitian systems have attracted much interest in recent decades, driven partly by the
existence of exotic spectral singularities, known as exceptional points (EPs), where the …

Quantum collective motion of macroscopic mechanical oscillators

M Chegnizadeh, M Scigliuzzo, A Youssefi, S Kono… - Science, 2024 - science.org
Collective phenomena arise from interactions within complex systems, leading to behaviors
absent in individual components. Observing quantum collective phenomena with …

Optical atompilz: propagation-invariant strongly longitudinally polarized toroidal pulses

R Wang, DT Yang, T **n, S Shi, BZ Wang… - Applied Physics …, 2024 - pubs.aip.org
Recent advancements in optical, terahertz, and microwave systems have unveiled non-
transverse optical toroidal pulses characterized by skyrmionic topologies, fractal-like …

Degeneracy-breaking and long-lived multimode microwave electromechanical systems enabled by cubic silicon-carbide membrane crystals

Y Liu, H Sun, Q Liu, H Wu, MA Sillanpää, T Li - Nature Communications, 2025 - nature.com
Cubic silicon-carbide crystals (3C-SiC), known for their high thermal conductivity and in-
plane stress, hold significant promise for the development of high-quality (Q) mechanical …

Crossing exceptional points in non-Hermitian quantum systems

FUJ Klauck, M Heinrich, A Szameit, TAW Wolterink - Science Advances, 2025 - science.org
Exceptional points facilitate peculiar dynamics in non-Hermitian systems. Yet, in photonics,
they have mainly been studied in the classical realm. In this work, we reveal the behavior of …

Versatile braiding of non-Hermitian topological edge states

B Zhu, Q Wang, Y Wang, QJ Wang, YD Chong - Physical Review B, 2024 - APS
Among the most intriguing features of non-Hermitian (NH) systems is the ability of complex
energies to form braids under parametric variation. Several braiding behaviors, including …

Photonic Non-Abelian Braid Monopole

K Wang, JLK König, K Yang, L **ao, W Yi… - arxiv preprint arxiv …, 2024 - arxiv.org
Monopoles and braids are exotic but elusive aspects of fundamental theories of light and
matter. In lattice systems, monopoles of band-structure degeneracies are subject to well …

Graph-theoretical approach to the eigenvalue spectrum of perturbed higher-order exceptional points

D Grom, J Kullig, M Röntgen, J Wiersig - arxiv preprint arxiv:2409.13434, 2024 - arxiv.org
Exceptional points are special degeneracy points in parameter space that can arise in
(effective) non-Hermitian Hamiltonians describing open quantum and wave systems. At an n …

Multiple exceptional points and phase transitions of a one-dimensional P T-symmetric Lieb photonic lattice

Y Zhang, S **a, L Qin, Q Wang, P Jia, W Qi… - Applied Physics …, 2023 - pubs.aip.org
Exceptional points (EPs) in non-Hermitian systems have attracted enormous attention and
spawned intriguing prospects for the manipulation of waves. Despite many efforts focusing …

[PDF][PDF] Shortcuts to adiabatic state transfer in time-modulated two-level non-Hermitian systems

YHK Fang, QP Su, ZW Zhou, CP Yang - Phys. Rev. Lett, 2024 - arxiv.org
In recent decades, there has been a growing interest in physical systems described by non-
Hermitian (NH) Hamiltonians due to their unique spectral properties [1–3]. These systems …