Zobrazeno 1 - 10
of 277
pro vyhledávání: '"He, Qiongyi"'
While commonly used entanglement criteria for continuous variable systems are based on quadrature measurements, here we study entanglement detection from measurements of the Wigner function. These are routinely performed in platforms such as trapped
Externí odkaz:
http://arxiv.org/abs/2409.17891
Quantum randomness can be certified from probabilistic behaviors demonstrating Bell nonlocality or Einstein-Podolsky-Rosen steering, leveraging outcomes from uncharacterized devices. However, such nonlocal correlations are not always sufficient for t
Externí odkaz:
http://arxiv.org/abs/2409.14991
Neural networks have emerged as a promising paradigm for quantum information processing, yet they confront the challenge of generating training datasets with sufficient size and rich diversity, which is particularly acute when dealing with multiparti
Externí odkaz:
http://arxiv.org/abs/2409.07909
We provide a graphical method to describe and analyze non-Gaussian quantum states using a hypergraph framework. These states are pivotal resources for quantum computing, communication, and metrology, but their characterization is hindered by their co
Externí odkaz:
http://arxiv.org/abs/2409.07300
Multipartite entanglement is an essential resource for quantum information tasks, but characterizing entanglement structures in continuous variable systems remains challenging, especially in multimode non-Gaussian scenarios. In this work, we introduc
Externí odkaz:
http://arxiv.org/abs/2408.12554
Autor:
Zhang, Chao, Li, Yi, Hu, Xiao-Min, Xiang, Yu, Li, Chuan-Feng, Guo, Guang-Can, Tura, Jordi, Gong, Qihuang, He, Qiongyi, Liu, Bi-Heng
Device-independent randomness certification based on Bell nonlocality does not require any assumptions about the devices and therefore provides adequate security. Great effort has been made to demonstrate that nonlocality is necessary for generating
Externí odkaz:
http://arxiv.org/abs/2408.04566
A noteworthy discovery is that the minimal evolution time is smaller for parity-time ($\mathcal{PT}$) symmetric systems compared to Hermitian setups. Moreover, there is a significant acceleration of two-qubit quantum entanglement preparation near the
Externí odkaz:
http://arxiv.org/abs/2407.08525
We propose a quantum Rabi square model where both the nearest-neighbor and the next-nearest-neighbor photon hopping are allowed among four quantum Rabi systems located at the vertices of a square. By tuning the next-nearest hopping strength, we reali
Externí odkaz:
http://arxiv.org/abs/2407.03612
Optical Schrodinger's cat (SC) is highly anticipated because of the potential of realizing fault-tolerant quantum computing, but the practical merit is only shown when the amplitude is larger than 2. However, such high-amplitude cats have not been pr
Externí odkaz:
http://arxiv.org/abs/2407.02784
The discovery of the non-Hermitian skin effect (NHSE) has revolutionized our understanding of wave propagation in non-Hermitian systems, highlighting unexpected localization effects beyond conventional theories. Here, we discover that NHSE, accompani
Externí odkaz:
http://arxiv.org/abs/2406.15005