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most citedConvex-roof extended negativity as an entanglement measure for bipartite quantum systems

187 citations · 841 across the 57 of their papers we have counts for

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quant-ph2026

Unconditional quantum advantage from a two-round CHSH problem in one dimension

Yonghae Lee, Jeonghyeon Shin, Soojoon Lee

We introduce a relation problem constructed from the Clauser--Horne--Shimony--Holt (CHSH) game, which we call the two-round one-dimensional CHSH problem. Its two-round structure en…

quant-ph2026

Quantum Resources and Performance in the Initialization-Free Bernstein-Vazirani Algorithm

Haesol Han, Alexander Streltsov, Soojoon Lee

Naseri et al. [Phys. Rev. A 106, 062429 (2022); arXiv:2205.13610] studied which quantum resources in initial states are essential for the probabilistic Bernstein-Vazirani (BV) algo…

quant-ph2026

Quantum teleportation with partially entangled joint measurements induced by coherent errors

Jeonghyeon Shin, Jaehak Lee, Soojoon Lee +1

Quantum teleportation is a fundamental protocol in quantum information science, whose performance is conventionally evaluated under the assumption of ideal Bell-state measurements.…

quant-ph2024★ 1 cited

Improved bounds on quantum uncommon information

Yonghae Lee, Joonwoo Bae, Hayata Yamasaki +1

In classical information theory, channel capacity quantifies the maximum number of messages that can be reliably transmitted using shared information. An equivalent concept, termed…

quant-ph2022★ 19 cited

Recursive QAOA outperforms the original QAOA for the MAX-CUT problem on complete graphs

Eunok Bae, Soojoon Lee

Quantum approximate optimization algorithms are hybrid quantum-classical variational algorithms designed to approximately solve combinatorial optimization problems such as the MAX-…

quant-ph2022

Quantum advantage through the magic pentagram problem

Haesol Han, Jeonghyeon Shin, Minjin Choi +2

Through the two specific problems, the 2D hidden linear function problem and the 1D magic square problem, Bravyi et al. have recently shown that there exists a separation between $…