NASA's Cold Atom Laboratory: Five Years of Quantum Science Operations in Space

本文概述了 NASA 国际空间站冷原子实验室(CAL)自 2018 年发射以来作为全球首个多用户空间量子科学设施的设计与运行,总结了其在微重力环境下利用超冷原子(包括玻色 - 爱因斯坦凝聚态)取得的科学成果,并介绍了近期升级措施及未来任务展望。

Kamal Oudrhiri, James M. Kohel, Nate Harvey, James R. Kellogg, David C. Aveline, Roy L. Butler, Javier Bosch-Lluis, John L. Callas, Leo Y. Cheng, Arvid P. Croonquist, Walker L. Dula, Ethan R. Elliott, Jose E. Fernandez, Jorge Gonzales, Raymond J. Higuera, Shahram Javidnia, Sandy M. Kwan, Norman E. Lay, Dennis K. Lee, Irena Li, Gregory J. Miles, Michael T. Pauken, Kelly L. Perry, Leah E. Phillips, Sarah K. Rees, Matteo S. Sbroscia, Christian Schneider, Robert F. Shotwell, Gregory Y. Shin, Cao V. Tran, Michel E. William, Oscar Yang, Nan Yu, Robert J Thompson, Jason R. Williams, Diane C. Malarik, DeVon W. Griffin, Bradley M. Carpenter, Michael P. Robinson, Kirt CostelloTue, 10 Ma⚛️ quant-ph

SUPER and femtosecond spin-conserving coherent excitation of a tin-vacancy color center in diamond

该论文利用新型 SUPER 方案,通过非共振超短光脉冲实现了对金刚石锡空位色心主要光学跃迁的相干控制,并提出了基于共振脉冲的飞秒级量子门操作及自旋纠缠方案,从而开启了固态色心量子控制的新纪元。

Cem Güney Torun, Mustafa Gökçe, Thomas K. Bracht, Mariano Isaza Monsalve, Sarah Benbouabdellah, Özgün Ozan Nacitarhan, Marco E. Stucki, Domenica Bermeo Alvaro, Matthew L. Markham, Tommaso Pregnolato, Joseph H. D. Munns, Gregor Pieplow, Doris E. Reiter, Tim SchröderTue, 10 Ma⚛️ quant-ph

Simulating Non-Markovian Open Quantum Dynamics with Neural Quantum States

该论文提出了一种将环境记忆编码为耗散子(dissipatons)的神经量子态框架(NQS-DQME),通过构建耗散子嵌入量子主方程,在保持与精确层级运动方程相当精度的同时,显著提升了模拟非马尔可夫开放量子系统多体关联与记忆效应的可扩展性与可解释性。

Long Cao, Liwei Ge, Daochi Zhang, Xiang Li, Yao Wang, Rui-Xue Xu, YiJing Yan, Xiao ZhengTue, 10 Ma⚛️ quant-ph

Superconducting qubits in the millions: the potential and limitations of modularity

本文提出了一种基于超导量子比特的模块化容错量子计算机架构模型及资源评估工具,旨在量化解决实际问题所需的物理量子比特规模、功耗及执行时间,并深入分析分布式计算带来的成本与架构瓶颈。

S. N. Saadatmand, Tyler L. Wilson, Mark J. Hodson, Mark Field, Simon J. Devitt, Madhav Krishnan Vijayan, Alan Robertson, Thinh P. Le, Jannis Ruh, Alexandru Paler, Arshpreet Singh Maan, Ioana Moflic, Athena Caesura, Josh Y. MutusTue, 10 Ma⚛️ quant-ph

Resource-efficient quantum algorithm for linear systems of equations

该论文提出了一种名为“阴影量子线性求解器(SQLS)”的新型混合量子算法,它通过结合变分量子算法与经典阴影框架,在无需大型受控幺正操作且仅需对数级量子比特资源的情况下,高效求解线性方程组,并成功将其应用于二维网格上的离散化拉普拉斯方程求解。

Francesco Ghisoni, Francesco Scala, Daniele Bajoni, Dario GeraceTue, 10 Ma⚛️ quant-ph