-
06-22
2023
Polynomial-time classical sampling of high-temperature quantum Gibbs states
内容： The computational complexity of simulating quantum many-body systems generally scales exponentially with the number of particles. This enormous computational cost prohibits first principles sim...
-
06-01
2023
Introduction to quantum dynamics
内容： In traditional condensed matter theory, we usually focus on equilibrium properties and linear response, while various phenomena beyond thermal equilibrium are still unknown to us. Recently, dyn...
-
09-15
2023
Pilot-reference-free continuous-variable quantum key distribution with efficient decoy-state analysis
内容： Continuous-variable quantum key distribution (CV QKD) using optical coherent detectors is practically favorable due to its low implementation cost, flexibility of wavelength division multiplexi...
-
12-01
2023
Learning quantum states and unitaries of bounded gate complexity
内容： While quantum state tomography is notoriously hard, most states hold little interest to practically-minded tomographers. Given that states and unitaries appearing in Nature are of bounded gate ...
-
12-26
2023
Zero-Knowledge Proofs Beyond Circuits and Constraints — How to build a ZK CPU?
内容： With recent advances in efficient Zero-Knowledge Proofs (ZKP) schemes, ZKP has become one of the most active areas in Cryptography that enables fruitful real-world applications. However, generi...
-
04-29
2023
基于超导平台表面码纠错的量子硬件方案优化
内容： 量子计算如今正如火如荼地发展，现有的有噪声的中等规模量子芯片已经能够在特定问题上超越经典计算。为了能够解锁量子计算的全部功能，我们还需要更多的量子比特和极低错误率的量子门，也就是实现大型容错量子...