Topological non-Hermitian skin effect

R Lin, T Tai, L Li, CH Lee - Frontiers of Physics, 2023 - Springer
This article reviews recent developments in the non-Hermitian skin effect (NHSE),
particularly on its rich interplay with topology. The review starts off with a pedagogical …

Dimensional transmutation from non-hermiticity

H Jiang, CH Lee - Physical Review Letters, 2023 - APS
Dimensionality plays a fundamental role in the classification of novel phases and their
responses. In generic lattices of 2D and beyond, however, we found that non-Hermitian …

Proposal for observing yang-lee criticality in rydberg atomic arrays

R Shen, T Chen, MM Aliyu, F Qin, Y Zhong, H Loh… - Physical Review Letters, 2023 - APS
Yang-Lee edge singularities (YLES) are the edges of the partition function zeros of an
interacting spin model in the space of complex control parameters. They play an important …

Simulation of interaction-induced chiral topological dynamics on a digital quantum computer

JM Koh, T Tai, CH Lee - Physical Review Letters, 2022 - APS
Chiral edge states are highly sought after as paradigmatic topological states relevant to both
quantum information processing and dissipationless electron transport. Using …

Zoology of non-Hermitian spectra and their graph topology

T Tai, CH Lee - Physical Review B, 2023 - APS
We uncover the very rich graph topology of generic bounded non-Hermitian spectra, distinct
from the topology of conventional band invariants and complex spectral winding. The graph …

Critical hybridization of skin modes in coupled non-Hermitian chains

SM Rafi-Ul-Islam, ZB Siu, H Sahin, CH Lee… - Physical Review …, 2022 - APS
Non-Hermitian topological systems exhibit a plethora of unusual topological phenomena
including the extreme localization of eigenstates, known as the non-Hermitian skin effect …

Realizing symmetry-protected topological phases in a spin-1/2 chain with next-nearest-neighbor hopping on superconducting qubits

ATK Tan, SN Sun, RN Tazhigulov, GKL Chan… - Physical Review A, 2023 - APS
Quantum simulation on near-term quantum hardware is a topic of intense interest. The
preparation of novel quantum states of matter provides a quantitative assessment of the …

Observing and braiding topological Majorana modes on programmable quantum simulators

N Harle, O Shtanko, R Movassagh - Nature Communications, 2023 - nature.com
Electrons are indivisible elementary particles, yet paradoxically a collection of them can act
as a fraction of a single electron, exhibiting exotic and useful properties. One such collective …

Realization of higher-order topological lattices on a quantum computer

JM Koh, T Tai, CH Lee - Nature Communications, 2024 - nature.com
Programmable quantum simulators may one day outperform classical computers at certain
tasks. But at present, the range of viable applications with noisy intermediate-scale quantum …

Harnessing optical advantages in computing: a review of current and future trends

CG Kibebe, Y Liu, J Tang - Frontiers in Physics, 2024 - frontiersin.org
At the intersection of technological evolution and escalating computational demand, the role
of optics is reemerging as a transformative force in the field of computing. This article …