Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Integrating Quantum Algorithms with Gravitational-Wave Metrology for Enhanced Signal Detection
Vaidik A. Sharma·Jun 8, 2024
This study explores the integration of quantum algorithms, specifically Grover's algorithm, with quantum metrology to enhance the efficiency and sensitivity of gravitational-wave detection. By combining quantum matched filtering with precise paramete...
Efficient Hamiltonian encoding algorithms for extracting quantum control mechanism as interfering pathway amplitudes in the Dyson series
Erez Abrams, Michael Kasprzak, Gaurav Bhole +2 more·Jun 8, 2024
Hamiltonian encoding is a methodology for revealing the mechanism behind the dynamics governing controlled quantum systems. In this paper, following Mitra and Rabitz \cite{abhra_1}, we define mechanism via pathways of eigenstates that describe the ev...
Quantum Nuclear Dynamics on a Distributed Set of Ion-Trap Quantum Computing Systems.
Anurag Dwivedi, A. Rasmusson, Philip Richerme +1 more·Jun 7, 2024
Quantum nuclear dynamics with wavepacket time evolution is classically intractable and viewed as a promising avenue for quantum information processing. Here, we use IonQ, Inc.'s 11-qubit trapped-ion quantum computer, Harmony, to study the quantum wav...
Dispersive Qubit Readout with Intrinsic Resonator Reset
M. Jerger, F. Motzoi, Y. Gao +9 more·Jun 7, 2024
A key challenge in quantum computing is speeding up measurement and initialization. Here, we experimentally demonstrate a dispersive measurement method for superconducting qubits that simultaneously measures the qubit and returns the readout resonato...
Quantum Algorithms and Applications for Open Quantum Systems.
Luis H Delgado-Granados, Timothy J. Krogmeier, LeeAnn M. Sager-Smith +10 more·Jun 7, 2024
Accurate models for open quantum systems─quantum states that have nontrivial interactions with their environment─may aid in the advancement of a diverse array of fields, including quantum computation, informatics, and the prediction of static and dyn...
Quantum state preparation for a velocity field based on the spherical Clebsch wave function
Hao Su, Shiying Xiong, Yue Yang·Jun 7, 2024
We propose a method for preparing the quantum state for a given velocity field, e.g., in fluid dynamics, via the spherical Clebsch wave function (SCWF). Using the pointwise normalization constraint for the SCWF, we develop a variational ansatz compri...
MIMO With 1-b Pre/Postcoding Resolution: A Quantum Annealing Approach
Ioannis Krikidis·Jun 7, 2024
In this article, we study the problem of digital pre/postcoding design in multiple-input multiple-output (MIMO) systems with 1-b resolution per complex dimension. The optimal solution that maximizes the received signal-to-noise ratio relies on an NP-...
Slow and stored light via electromagnetically induced transparency using a Λ -type superconducting artificial atom
Kai-I Chu, Xiao-Cheng Lu, K-H Chiang +5 more·Jun 7, 2024
Recent progresses in Josephson-junction-based superconducting circuits have propelled quantum information processing forward. However, the lack of a metastable state in most superconducting artificial atoms hinders the development of photonic quantum...
Entanglement with neutral atoms in the simulation of nonequilibrium dynamics of one-dimensional spin models
Anupam Mitra·Jun 7, 2024
Quantum entanglement is a key ingredient for quantum information processing with capabilities beyond that of classical computation. We study the generation and role of entanglement in the dynamics of spin-1/2 models, both for the design of quantum ga...
Quantum computing for nonlinear differential equations and turbulence
Felix Tennie, Sylvain Laizet, S. Lloyd +1 more·Jun 7, 2024
Many problems in classical physics and engineering, such as turbulence, are governed by nonlinear differential equations, which typically require high-performance computing to be solved. Over the past decade, however, the growth of classical computin...
Relativistic VQE calculations of molecular electric dipole moments on trapped ion quantum hardware
Palak Chawla, Shweta, K. R. Swain +9 more·Jun 7, 2024
The quantum-classical hybrid variational quantum eigensolver (VQE) algorithm is among the most actively studied topics in atomic and molecular calculations on quantum computers, yet few studies address properties other than energies or account for re...
Residue Number System (RNS) Based Distributed Quantum Addition
Bhaskar Gaur, Travis S. Humble, Himanshu Thapliyal·Jun 7, 2024
Quantum Arithmetic faces limitations such as noise and resource constraints in the current Noisy Intermediate Scale Quantum (NISQ) era quantum computers. We propose using Distributed Quantum Computing (DQC) to overcome these limitations by substituti...
High-precision and low-depth quantum algorithm design for eigenstate problems
Jinzhao Sun, Pei Zeng, Tom Gur +1 more·Jun 6, 2024
Estimating the eigenstate properties of quantum systems is a long-standing, challenging problem for both classical and quantum computing. Existing universal quantum algorithms typically rely on ideal and efficient query models (e.g. time evolution op...
Probing quantum complexity via universal saturation of stabilizer entropies
Tobias Haug, Leandro Aolita, M. S. Kim·Jun 6, 2024
Nonstabilizerness or `magic' is a key resource for quantum computing and a necessary condition for quantum advantage. Non-Clifford operations turn stabilizer states into resourceful states, where the amount of nonstabilizerness is quantified by resou...
Interfacing Gottesman-Kitaev-Preskill qubits to quantum memories
Prajit Dhara, Liang Jiang, Saikat Guha·Jun 6, 2024
Gottesman-Kitaev-Preskill (GKP) states have been demonstrated to pose significant advantages when utilized for fault-tolerant all optical continuous-variable quantum computing as well as for quantum communications links for entanglement distribution....
Avoiding barren plateaus with entanglement
Yuhan Yao, Yoshihiko Hasegawa·Jun 6, 2024
In the search for quantum advantage with near-term quantum devices, navigating the optimization landscape is significantly hampered by the barren plateaus phenomenon. This study presents a strategy to overcome this obstacle without changing the quant...
T-Count Optimizing Genetic Algorithm for Quantum State Preparation
Andrew Wright, Marco Lewis, Paolo Zuliani +1 more·Jun 6, 2024
Quantum state preparation is a crucial process within numerous quantum algorithms, and the need for efficient initialization of quantum registers is ever increasing as demand for useful quantum computing grows. The problem arises as the number of qub...
High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Registers
T. Joas, F. Ferlemann, Roberto Sailer +9 more·Jun 6, 2024
Diamond is a promising platform for quantum information processing as it can host highly coherent qubits that could allow for the construction of large quantum registers. A prerequisite for such devices is a coherent interaction between nitrogen-vaca...
Circuit-level fault tolerance of cat codes
Long D. H. My, Shu-Fen Qin, Hui Khoon Ng·Jun 6, 2024
Bosonic codes encode quantum information into a single infinite-dimensional physical system endowed with error correction capabilities. This reduces the need for complex management of many physical constituents compared with standard approaches emplo...
Leakage mobility in superconducting qubits as a leakage reduction unit
Joan Camps, Ophelia Crawford, G. P. Gehér +3 more·Jun 6, 2024
Leakage from the computational subspace is a damaging source of noise that degrades the performance of most qubit types. Unlike other types of noise, leakage cannot be overcome by standard quantum error correction techniques and requires dedicated le...