activity
20222026
most citedQuantum correlations on the no-signaling boundary: self-testing and more

14 citations · 38 across the 11 of their papers we have counts for

collaborators

12 papers

quant-ph2026

Bounding Two-Way Average Communication Cost of Simulating Quantum Correlations

Kai-Siang Chen, Gelo Noel M. Tabia, Bo-An Tsai +2

Bell nonlocal correlations cannot be reproduced by local hidden-variable models without communication, making classical communication cost a natural quantitative measure of nonloca…

quant-ph2026

Two-copy distillability of one-copy-undistillable negative-partial-transpose states in every dimension

Gelo Noel M. Tabia, Kai-Siang Chen, Min-Hsiu Hsieh

Whether entanglement with a negative partial transpose (NPT) can be undistillable is a longstanding open problem. In the canonical family of DiVincenzo \textit{et al.}, the one-cop…

quant-ph2026

Trading symmetry for Hilbert-space dimension in Bell-inequality violation

Hsin-Yu Hsu, Gelo Noel M. Tabia, Kai-Siang Chen +4

In quantum information, asymmetry, i.e., the lack of symmetry, is a resource allowing one to accomplish certain tasks that are otherwise impossible. Similarly, in a Bell test using…

quant-ph2025★ 2 cited

Large Parts are Generically Entangled Across All Cuts

Mu-En Liu, Kai-Siang Chen, Chung-Yun Hsieh +2

Generic high-dimensional bipartite pure states are overwhelmingly likely to be highly entangled. Remarkably, this ubiquitous phenomenon can already arise in finite-dimensional syst…

quant-ph2024★ 2 cited

Nonlocality of Quantum States can be Transitive

Kai-Siang Chen, Gelo Noel M. Tabia, Chung-Yun Hsieh +2

As a striking manifestation of quantum entanglement, nonlocality has long played a pivotal role in shaping our understanding of the quantum world. When considering a Bell test invo…

quant-ph2024★ 4 cited

Experimental single-copy distillation of quantumness from higher-dimensional entanglement

Xiao-Xu Fang, Gelo Noel M. Tabia, Kai-Siang Chen +2

Entanglement is at the heart of quantum theory and is responsible for various quantum-enabling technologies. In practice, during its preparation, storage, and distribution to the i…

quant-ph2024★ 1 cited

Protocols and Trade-Offs of Quantum State Purification

Hongshun Yao, Yu-Ao Chen, Erdong Huang +3

Quantum state purification is crucial in quantum communication and computation, aiming to recover a purified state from multiple copies of an unknown noisy state. This work introdu…

quant-ph2024

Incorporating Zero-Probability Constraints to Device-Independent Randomness Expansion

Chun-Yu Chen, Kai-Siang Chen, Kai-Min Chung +3

One of the distinguishing features of quantum theory is that its measurement outcomes are usually unpredictable or, equivalently, random. Moreover, this randomness is certifiable w…

quant-ph2024★ 2 cited

Device-independent certification of desirable properties with a confidence interval

Wan-Guan Chang, Kai-Chun Chen, Kai-Siang Chen +2

In the development of quantum technologies, a reliable means for characterizing quantum devices is crucial. However, the conventional approach based on, e.g., quantum state tomogra…

quant-ph2023★ 2 cited

Hardy-type paradoxes for an arbitrary symmetric bipartite Bell scenario

Kai-Siang Chen, Shiladitya Mal, Gelo Noel M. Tabia +1

As with a Bell inequality, Hardy's paradox manifests a contradiction between the prediction given by quantum theory and local-hidden variable theories. In this work, we give two ge…

quant-ph2022★ 14 cited

Quantum correlations on the no-signaling boundary: self-testing and more

Kai-Siang Chen, Gelo Noel M. Tabia, Chellasamy Jebarathinam +3

In device-independent quantum information, correlations between local measurement outcomes observed by spatially separated parties in a Bell test play a fundamental role. Even thou…

quant-ph2022★ 11 cited

Entanglement transitivity problems

Gelo Noel M. Tabia, Kai-Siang Chen, Chung-Yun Hsieh +2

One of the goals of science is to understand the relation between a whole and its parts, as exemplified by the problem of certifying the entanglement of a system from the knowledge…