Zobrazeno 1 - 10
of 439
pro vyhledávání: '"Zeng, Bei"'
Quantum error correction (QEC) is essential for protecting quantum information against noise, yet understanding the structure of the Knill-Laflamme (KL) coefficients $\lambda_{ij}$ from the condition $PE_i^\dagger E_j P = \lambda_{ij} P$ remains chal
Externí odkaz:
http://arxiv.org/abs/2410.07983
Publikováno v:
Phys. Rev. Applied 22, 014055(2024)
Quantum simulators offer the potential to utilize the quantum nature of a physical system to study another physical system. In contrast to conventional simulation, which experiences an exponential increase in computational complexity, quantum simulat
Externí odkaz:
http://arxiv.org/abs/2407.16321
In the 1970s, Wiesner introduced the concept of quantum money, where quantum states generated according to specific rules function as currency. These states circulate among users with quantum resources through quantum channels or face-to-face interac
Externí odkaz:
http://arxiv.org/abs/2407.11454
Quantum resource theories (QRTs) provide a comprehensive and practical framework for the analysis of diverse quantum phenomena. A fundamental task within QRTs is the quantification of resources inherent in a given quantum state. In this letter, we in
Externí odkaz:
http://arxiv.org/abs/2406.19683
Recent advancements in quantum hardware and classical computing simulations have significantly enhanced the accessibility of quantum system data, leading to an increased demand for precise descriptions and predictions of these systems. Accurate predi
Externí odkaz:
http://arxiv.org/abs/2405.13582
Quadratic unconstrained binary optimization (QUBO) tasks are very important in chemistry, finance, job scheduling, and so on, which can be represented using graph structures, with the variables as nodes and the interaction between them as edges. Vari
Externí odkaz:
http://arxiv.org/abs/2404.06434
This paper outlines an alternative approach to teaching quantum computing at the high school level, tailored for students with limited prior knowledge in advanced mathematics and physics. This approach diverges from traditional methods by building up
Externí odkaz:
http://arxiv.org/abs/2403.17485
Determining whether a subspace spanned by certain quantum states is entangled and its entanglement dimensionality remains a fundamental challenge in quantum information science. This paper introduces a geometric measure of $r$-bounded rank, $E_r(\mat
Externí odkaz:
http://arxiv.org/abs/2311.10353
People are witnessing quantum computing revolutions nowadays. Progress in the number of qubits, coherence times and gate fidelities are happening. Although quantum error correction era has not arrived, the research and development of quantum computin
Externí odkaz:
http://arxiv.org/abs/2310.09386
Symmetric extensions are essential in quantum mechanics, providing a lens to investigate the correlations of entangled quantum systems and to address challenges like the quantum marginal problem. Though semi-definite programming (SDP) is a recognized
Externí odkaz:
http://arxiv.org/abs/2309.04144