Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Full Quantum Process Tomography of a Universal Entangling Gate on an IBM’s Quantum Computer
M. AbuGhanem·Feb 10, 2024
Characterizing quantum dynamics is critical in quantum physics, quantum information science, and computation, where the precision of quantum gates plays a key role. We present a comprehensive experimental analysis of the SQSCZ gate–a novel universal ...
Simulating the Quantum Rabi Model in Superconducting Qubits at Deep Strong Coupling
Noureddine Rochdi, A. Rahman, R. Laamara +1 more·Feb 10, 2024
The Quantum Rabi model serves as a pivotal theoretical framework for elucidating the nuanced interplay between light and matter. Utilizing circuit quantum electrodynamics on a chip, we address the challenge of achieving deep strong coupling in Quantu...
Linear and Non-Linear Response of Quadratic Lindbladians
Spenser Talkington, Martin Claassen·Feb 9, 2024
Quadratic Lindbladians encompass a rich class of dissipative electronic and bosonic quantum systems, which have been predicted to host new and exotic physics. In this study, we develop a Lindblad-Keldysh spectroscopic response formalism for open quan...
Quantum thermodynamics with a single superconducting vortex
M. Foltyn, K. Norowski, Alexander Savin +1 more·Feb 9, 2024
We demonstrate complete control over dynamics of a single superconducting vortex in a nanostructure, which we coin the Single Vortex Box. Our device allows us to trap the vortex in a field-cooled aluminum nanosquare and expel it on demand with a nano...
qec_code_sim: An open-source Python framework for estimating the effectiveness of quantum-error correcting codes on superconducting qubits
Santiago López, Jonathan Andrade Plascencia, G. Perdue·Feb 9, 2024
Quantum computers are highly susceptible to errors due to unintended interactions with their environment. It is crucial to correct these errors without gaining information about the quantum state, which would result in its destruction through back-ac...
Measurement-Induced Transmon Ionization
Marie Frédérique Dumas, Benjamin Groleau-Par'e, Alexander McDonald +4 more·Feb 9, 2024
Despite the high measurement fidelity that can now be reached, the dispersive qubit readout of circuit quantum electrodynamics is plagued by a loss of its quantum nondemolition character and a decrease in fidelity with increased measurement strength....
Efficient Initialization of Fluxonium Qubits based on Auxiliary Energy Levels.
Tenghui Wang, Feng Wu, Fei Wang +13 more·Feb 9, 2024
Fast and high-fidelity qubit initialization is crucial for low-frequency qubits such as fluxonium, and in applications of many quantum algorithms and quantum error correction codes. In a circuit quantum electrodynamics system, the initialization is t...
Towards molecular docking with neutral atoms
Mathieu Garrigues, Victor Onofre, No'e Bosc-Haddad·Feb 9, 2024
New computational strategies, such as molecular docking, are emerging to speed up the drug discovery process. This method predicts the activity of molecules at the binding site of proteins, helping to select the ones that exhibit desirable behavior a...
Quantum Computing and Tensor Networks for Laminate Design: A Novel Approach to Stacking Sequence Retrieval
Arne Wulff, Boyang Chen, M. Steinberg +3 more·Feb 9, 2024
As with many tasks in engineering, structural design frequently involves navigating complex and computationally expensive problems. A prime example is the weight optimization of laminated composite materials, which to this day remains a formidable ta...
Photon Number-Resolving Quantum Reservoir Computing
S. Nerenberg, Oliver Neill, Giulia Marcucci +1 more·Feb 9, 2024
Neuromorphic processors improve the efficiency of machine learning algorithms through the implementation of physical artificial neurons to perform computations. However, whilst efficient classical neuromorphic processors have been demonstrated in var...
Explaining Grover’s algorithm with a colony of ants: a pedagogical model for making quantum technology comprehensible
Merel A. Schalkers, Kamiel Dankers, Michael Wimmer +1 more·Feb 9, 2024
The rapid growth of quantum technologies requires an increasing number of physicists, computer scientists, and engineers who can work on these technologies. For educating these professionals, quantum mechanics should stop being perceived as incompreh...
Barycentric and pairwise Rényi quantum leakage with application to privacy-utility trade-off
Farhad Farokhi·Feb 9, 2024
Barycentric and pairwise quantum Rényi leakages are proposed as two measures of information leakage for privacy and security analysis in quantum computing and communication systems. These quantities both require minimal assumptions on the eavesdroppe...
Randomization Accelerates Series-Truncated Quantum Algorithms
Yue Wang, Qi Zhao·Feb 8, 2024
Quantum algorithms typically demand prohibitively complicated circuits to solve practical problems. Previous studies have shown that classical randomness can accelerate some specific quantum algorithms. In this work, we introduce the Randomized Trunc...
Dynamics of a strongly coupled quantum heat engine-Computing bath observables from the hierarchy of pure states.
Valentin Boettcher, Richard Hartmann, K. Beyer +1 more·Feb 8, 2024
We present a fully quantum dynamical treatment of a quantum heat engine and its baths based on the Hierarchy of Pure States (HOPS), an exact and general method for open quantum system dynamics. We show how the change of the bath energy and the intera...
Safeguarding Oscillators and Qudits with Distributed Two-Mode Squeezing
Anthony J. Brady, Jing Wu, Quntao Zhuang·Feb 8, 2024
Recent advancements in multi-mode Gottesman-Kitaev-Preskill (GKP) codes have shown great promise in enhancing the protection of both discrete and analog quantum information. This broadened range of protection brings opportunities beyond quantum compu...
Quantum Algorithms for the Sylvester Denumerant and the Numerical Semigroup Membership Problem
J. Ossorio-Castillo, José M. Tornero·Feb 8, 2024
Two quantum algorithms are presented, which tackle well--known problems in the context of numerical semigroups: the numerical semigroup membership problem (NSMP) and the Sylvester denumerant problem (SDP).
Optimal probe states for single-mode quantum target detection in arbitrary object reflectivity
Wei-Ming Chen, Pin-Ju Tsai·Feb 8, 2024
Quantum target detection (QTD) utilizes nonclassical resources to enable radar-like detection for identifying reflecting objects in challenging environments, surpassing classical methods. To fully leverage the quantum advantage in QTD, determining th...
Transfer learning of optimal QAOA parameters in combinatorial optimization
J. A. Montañez-Barrera, D. Willsch, K. Michielsen·Feb 8, 2024
Solving combinatorial optimization problems (COPs) is a promising application of quantum computation, with the quantum approximate optimization algorithm (QAOA) being one of the most studied quantum algorithms for solving them. However, multiple fact...
Complexity of graph-state preparation by Clifford circuits
Soh Kumabe, R. Mori, Y. Yoshimura·Feb 8, 2024
In this work, we study the complexity of graph-state preparation. We consider general quantum algorithms consisting of Clifford operations acting on at most two qubits for graph-state preparations. We define the CZ-complexity of a graph state $|G\ran...
Mixed-integer linear programming solver using Benders decomposition assisted by a neutral-atom quantum processor
M. Naghmouchi, W. Coelho·Feb 8, 2024
This paper presents a new hybrid classical-quantum approach to solve Mixed Integer Linear Programming (MILP) using neutral atom quantum computations. We apply Benders decomposition (BD) to segment MILPs into a master problem (MP) and a subproblem (SP...