16 citations · 42 across the 10 of their papers we have counts for
14 papers
TRACE: Temporal Risk Assessment and Concept Editing for Safer Language Generation
Ankur Garg, Xuemin Yu, Hassan Sajjad +1
Large language models (LLMs) can produce harmful content while generating a response. A useful safeguard should not only detect this risk during generation but also intervene while…
Ordering controlled by the measurement-feedback interval in quantum Boltzmann samplers
Peng Wang, Yu-Xuan Zhang, Hai-Tao Ding +1
We show that the measurement--feedback interval alone can induce ordering in a quantum Boltzmann sampler with fixed programmed couplings and a fixed local dissipative rule. At zero…
Classical Bound on the Fisher Information Rate of a Dephasing-Enhanced Quantum Neuron
Peng Wang, Yu-Xuan Zhang, Hai-Tao Ding +1
Dephasing can sharpen the activation of a dissipative quantum neuron, but a stationary response does not determine how much input information its output delivers per unit time. For…
Quantum geometric bounds at finite temperature for one-dimensional chiral systems
Peng He, Hai-Tao Ding, Yu-Guo Liu
The geometry and topology of quantum states are intimately related at zero temperature through exact bounds that constrain geometric quantities from below by topological invariants…
The Geometric Phase as a Diagnostic for Driven-Dissipative Oscillators
Zeen Sun, Yuan Shen, Haitao Ding +2
Driven-dissipative quantum oscillators lock their phase, deform their limit cycles, and undergo dissipative phase transitions, yet these behaviors are read from unrelated quantitie…
Manipulation of Topological Corner States via Subchiral Symmetry
Hai-Tao Ding, Tianqi Chen, Leong-Chuan Kwek +1
Higher-order topological phases provide robust corner modes, but their use requires controllable creation, isolation, and transfer of individual modes and their superpositions. Her…
Enhanced Density Fluctuations Near a Disordered Chiral Topological Transition
Hai-Tao Ding, Sen Mu, Leong-Chuan Kwek +2
The universal statistics of density fluctuations of localized quantum states may offer unprecedented opportunities to probe and understand quantum transport in connection with dime…
Floquet quantum geometry in periodically driven topological insulators
Peng He, Jian-Te Wang, Jiangbin Gong +1
Quantum geometry plays a fundamental role across many branches of modern physics, yet its full characterization in nonequilibrium systems remains a challenge. Here, we propose a fr…
Direct measurement of the quantum geometric tensor in pseudo-Hermitian systems
Ze-Hao Huang, Hai-Tao Ding, Li-Jun Lang
The quantum geometric tensor (QGT) fundamentally encodes the geometry and topology of quantum states in both Hermitian and non-Hermitian regimes. While adiabatic perturbation theor…
Identifying non-Hermitian critical points with quantum metric
Jun-Feng Ren, Jing Li, Hai-Tao Ding +1
The geometric properties of quantum states is fully encoded by the quantum geometric tensor. The real and imaginary parts of the quantum geometric tensor are the quantum metric and…
Detecting degenerate bands topological invariants in optical lattice
Jing-Xin Liu, Jian-Te Wang, Hai-Tao Ding
In this paper, we present a novel experimental approach for simulating and detecting topological invariants using ultracold fermions confined in two-dimensional hexagonal optical l…
Direct Probe of Topology and Geometry of Quantum States on IBM Q
Tianqi Chen, Hai-Tao Ding, Ruizhe Shen +2
The concepts of topology and geometry are of critical importance in exploring exotic phases of quantum matter. Though they have been investigated on various experimental platforms,…
Realizing and detecting Stiefel-Whitney insulators in an optical Raman lattice
Jian-Te Wang, Jing-Xin Liu, Hai-Tao Ding +1
We propose a feasible scheme to realize a four-band Stiefel-Whitney insultor (SWI) with spin-orbit coupled ultracold atoms in an optical Raman lattice. Four selected spin states ar…
Non-Abelian quantum geometric tensor in degenerate topological semimetals
Hai-Tao Ding, Chang-Xiao Zhang, Jing-Xin Liu +3
The quantum geometric tensor (QGT) characterizes the complete geometric properties of quantum states, with the symmetric part being the quantum metric, and the antisymmetric part b…