The combination of broken Hermiticity and band topology in physical systems unveils a novel bound state dubbed as the non-Hermitian skin effect (NHSE). Active control that breaks reciprocity is usually used to achieve NHSE, and gain and loss in energy are inevitably involved. Here, we ...
revealing the intricate consequences of anyonic statistics acting on non-Hermitian physics. Explicitly, we find that the dynamical evolution is not always in accordance with the static localization direction of eigenstates, which suffer from qualitatively the same NHSE ...
Non-Hermitian singularities are ubiquitous in non-conservative open systems. Owing to their peculiar topology, they can remotely induce observable effects when encircled by closed trajectories in the parameter space. To date, a general formalism for describing this process beyond simple cases is still ...
between properties of the bulk and the appearance of surface states, and has led to successful discoveries of novel topological surface states in Chern insulators, topological insulators, and topological Fermi arcs in Weyl, Dirac, and Nodal line semimetals owing to their nontrivial bulk topology. I...
We find static NH edge modes and dynamic phase transitions involving exceptional points at a speed of hundreds of picoseconds, which inherently retain topological protections against fabrication imperfections. This work shows an interplay between topology and non-Hermiticity by means of nonlinear optics, ...
One intriguing aspect of non-Hermitian models is their inherent topology that can produce intriguing boundary phenomena like resilient higher-order topological insulators (HOTIs) and non-Hermitian skin effects (NHSE). Recently, time-multiplexed lattices in synthetic dimensions have emerged as a versatile...
In the quasistatic limit, however, quantum work can still be defined, and we have shown that the second law still holds for all pseudo-hermitian systems. Conclusions In summary, we have carefully studied thermodynamic properties of quantum systems that do not satisfy one of the basic ...
However, discussions and experiments focused on these topics have primarily been confined to static and geometrically symmetric coupled systems without detuning. Detuning denotes the resonant mismatch of coupled systems, which is one of the intrinsical sensing targets, particularly in recently emerging non...