Quantum 9, 1762 (2025). https://doi.org/10.22331/q-2025-06-04-1762 We adopt a method of the quantum gate teleportation for converting circuit-based quantum computation primitives into fusion networks. By using the presented scheme for the CNOT gate we construct translation […]
Quantum 9, 1761 (2025). https://doi.org/10.22331/q-2025-06-04-1761 In the realm of computational science and engineering, constructing models that reflect real-world phenomena requires solving partial differential equations (PDEs) with different conditions. Recent advancements in neural operators, such as […]
Quantum 9, 1760 (2025). https://doi.org/10.22331/q-2025-06-04-1760 Bell tests have become a powerful tool for quantifying security, randomness, entanglement, and many other properties, as well as for investigating fundamental physical limits. In all these cases, the specific […]
Quantum 9, 1759 (2025). https://doi.org/10.22331/q-2025-06-04-1759 Pseudorandom quantum states (PRSs) and pseudorandom unitaries (PRUs) possess the dual nature of being efficiently constructible while appearing completely random to any efficient quantum algorithm. In this study, we establish […]
Quantum 9, 1758 (2025). https://doi.org/10.22331/q-2025-05-28-1758 We propose a novel Reinforcement Learning (RL) method for optimizing quantum circuits using graph-theoretic simplification rules of ZX-diagrams. The agent, trained using the Proximal Policy Optimization (PPO) algorithm, employs Graph […]
Quantum 9, 1757 (2025). https://doi.org/10.22331/q-2025-05-28-1757 In some physical implementations of quantum computers, 2-qubit operations can be applied only on certain pairs of qubits. Compilation of a quantum circuit into one compliant to such qubit connectivity […]
Quantum 9, 1756 (2025). https://doi.org/10.22331/q-2025-05-28-1756 We study a coarse-graining procedure for quantum cellular automata on hypercubic lattices that consists in grouping neighboring cells into tiles and selecting a subspace within each tile. This is done […]
Quantum 9, 1755 (2025). https://doi.org/10.22331/q-2025-05-28-1755 The quantum state preparation of probability distributions is an important subroutine for many quantum algorithms. When embedding $D$-dimensional multivariate probability distributions by discretizing each dimension into $2^n$ points, we need […]
Quantum 9, 1754 (2025). https://doi.org/10.22331/q-2025-05-22-1754 The transfer and storage of quantum information in a hybrid quantum system, consisting of an ensemble of atoms or spins interacting with a cavity, is adversely affected by the inhomogeneity […]
Quantum 9, 1753 (2025). https://doi.org/10.22331/q-2025-05-22-1753 We argue that there exists an operational way to establish the observability of the notions of space and time. Specifically, we propose a theory-independent protocol for a gedanken-experiment, whose outcome […]
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