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- National Tsing Hua UniversityTW23 papers
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123 papers
Mitigating the sign problem by quantum computing
Kwai-Kong Ng, Min-Fong Yang
The notorious sign problem severely limits the applicability of quantum Monte Carlo (QMC) simulations, as statistical errors grow exponentially with system size and inverse tempera…
Subsystem Thermalization Hypothesis in Quantum Spin Chains with Conserved Charges
Feng-Li Lin, Jhh-Jing Hong, Ching-Yu Huang
We consider the thermalization hypothesis of pure states in quantum Ising chain with symmetry, XXZ chain with symmetry, and XXX chain with symmetries. Two kind…
Influence of flat bands on RKKY interaction: perspective of Fano defects
Yue-De Luo, Min-Fong Yang
In this paper, we revisit the effect of flat bands on the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction by using a coordinate transformation that detangles flat-band states from…
Uniaxial zero thermal expansion in low-cost Mn2OBO3 from 3.5 to 1250 K
Chi-Hung Lee, Cheng-Yen Lin, Guan-Yu Chen
Unique zero thermal expansion (ZTE) materials are valuable for use in precision instruments, including electronics, aerospace parts, and engines. However, most ZTE materials have a…
Unsupervised learning of phase transitions via modified anomaly detection with autoencoders
Kwai-Kong Ng, Min-Fong Yang
In this paper, a modified method of anomaly detection using convolutional autoencoders is employed to predict phase transitions in several statistical mechanical models on a square…
On bilinear superintegrability for monomial matrix models in pure phase
C. -T. Chan, V. Mishnyakov, A. Popolitov +1
We argue that the recently discovered bilinear superintegrability arXiv:2206.02045 generalizes, in a non-trivial way, to monomial matrix models in pure phase. The structure is much…