Light-Matter Interactions Beyond the Dipole Approximation in Extended Systems Without Multipole Expansion

该论文提出了一种基于功率 - 齐纳 - 伍利哈密顿量和最大局域化 Wannier 函数的通用理论框架,能够在不进行多极展开截断的情况下,以标准偶极近似计算的同等成本,精确模拟扩展体系中超越电偶极近似的光与物质相互作用,并揭示了偶极近似在不同维度和照明条件下的适用范围及其局限性。

Rishabh Dora, Roman Korol, Vishal Tiwari, Rahul Chourasiya, Ignacio Franco2026-03-12⚛️ quant-ph

Machine learning the arrow of time in solid-state spins

该研究利用机器学习算法,通过分析基于金刚石氮 - 空位中心十量子比特处理器的实验轨迹,成功在无监督聚类中区分热力学过程并实现约 92% 准确率的“时间箭头”方向识别,从而建立了量子热力学与人工智能之间的新联系。

Xiang-Qian Meng, Zhide Lu, Ya-Nan Lu, Xiu-Ying Chang, Yan-Qing Liu, Dong Yuan, Weikang Li, Zheng-Zhi Sun, Pei-Xin Shen, Lu-Ming Duan, Dong-Ling Deng, Pan-Yu Hou2026-03-12⚛️ quant-ph

Coherence thermometry using multipartite quantum systems

该研究通过分析三量子比特自旋 - 玻色模型在非马尔可夫退相干下的动力学,揭示了环境结构(独立或共同)与多体量子态内部架构(如 GHZ、W 类态)的相互作用如何决定相干性对温度的敏感性,进而提出利用工程化多体量子系统的相干动力学作为量子测温与纳米量热计的新途径。

Pranav Perumalsamy, Abhijit Mandal, Sovik Roy, Md Manirul Ali2026-03-12⚛️ quant-ph

Do single-shot projective readouts necessarily estimate the T1T_1 lifetime ?

该论文通过整合理论分析指出,单发投影测量在估算多能级系统(如双层石墨烯中的谷量子比特)的T1T_1寿命时,常因未考虑导致测量值偏离本征寿命的“非本征”布居动力学而失效,并据此提出了修正的测量协议以准确提取本征寿命。

Aparajita Modak, Sundeep Kapila, Bent Weber, Klaus Ensslin, Guido Burkard, Bhaskaran Muralidharan2026-03-12🔬 cond-mat.mes-hall

Remote engineering of particle-like topologies to visualise entanglement dynamics

该研究通过自旋天衣结纠缠态首次实现了三粒子纠缠动力学的可视化,提出了拓扑布洛赫球概念,并实验验证了量子多天衣结结构及其受纠缠驱动的运动特性,为量子传感和多级编码通信开辟了新途径。

Fazilah Nothlawala, Bereneice Sephton, Pedro Ornelas, Mwezi Koni, Bruno Piccirillo, Liang Feng, Isaac Nape, Vincenzo D'Ambrosio, Andrew Forbes2026-03-12🔬 physics.optics

Temporal-Mode Engineering for Multiplexed Microwave Photons and Mode-Selective Quantum State Transfer

该研究通过固定频率 transmon 量子比特对微波光子进行波形整形,成功生成并验证了四种正交时间模式,实现了模式选择性的高效吸收(匹配效率超 0.89),证明了利用时间模式工程构建高维复用量子网络的可行性。

Keika Sunada (Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan), Takeaki Miyamura (Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan), Kohei Matsuura (Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan), Zhiling Wang (RIKEN Center for Quantum Computing), Jesper Ilves (Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan), Shingo Kono (NNF Quantum Computing Programme, Niels Bohr Institute, University of Copenhagen, Denmark), Yasunobu Nakamura (Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan, RIKEN Center for Quantum Computing)2026-03-12⚛️ quant-ph

Optical quantum teleportation with known amplitude distorting factors of teleported qubits

该论文提出了一种利用具有特定宇称的连续变量混合量子通道,实现未知单轨光量子比特隐形传态的新协议,该协议允许接收方在部分情况下直接获得原始态,或在其余情况下获得已知振幅畸变因子的态,从而通过增加经典通信量来优化传输效率或进行态恢复。

Mikhail S. Podoshvedov, Sergey A. Podoshvedov2026-03-12⚛️ quant-ph

Is the existence of unbounded operators a problem for quantum mechanics? In response to Carcassi, Calderon, and Aidala

本文反驳了 Carcassi 等人关于希尔伯特空间因包含无限期望值而应被施瓦茨空间取代的观点,论证了无界算符导致的无限期望值并非量子力学的障碍,而改用施瓦茨空间反而会导致有意义的哈密顿演化被排除,并进一步探讨了物理性概念的模糊性及其与量子场论中哈达玛条件的相关性。

Zhonghao Lu2026-03-12🔢 math-ph