3 papers
quant-ph2026
Autonomous Quantum Error Correction of Spin-Oscillator Hybrid Qubits
Sungjoo Cho, Ju-yeon Gyhm, Hyukjoon Kwon +1
We propose a novel measurement-free scheme for stabilizing a spin-oscillator hybrid qubit via autonomous quantum error correction. The engineered Lindbladian renders the code space…
cond-mat.stat-mech2026
Boltzmann Sampling by Diabatic Quantum Annealing
Ju-Yeon Gyhm, Gilhan Kim, Hyukjoon Kwon +1
Boltzmann sampling is a central component of many computational frameworks, including numerous algorithms in machine learning. Although quantum annealers have been investigated as…
quant-ph2025
Fundamental Scaling Limit in Critical Quantum Metrology
Ju-Yeon Gyhm, Hyukjoon Kwon, Myung-Joong Hwang
Critical quantum metrology aims to harness critical properties near quantum phase transitions to enhance parameter estimation precision. However, critical slowing down inherently l…