Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Quantum simulation of CO$_2$ chemisorption in an amine-functionalized metal-organic framework
Jonathan R. Owens, Marwa H. Farag, Pooja Rao +1 more·Apr 24, 2025
We perform a series of calculations using simulated QPUs, accelerated by the NVIDIA CUDA-Q platform, focusing on a molecular analog of an amine-functionalized metal-organic framework (MOF), a promising class of materials for CO$_2$ capture. The varia...
Quantum State Design and Emergent Confinement Mechanism in Measured Tensor Network States
Guglielmo Lami, Andrea De Luca, X. Turkeshi +1 more·Apr 23, 2025
Randomness is a fundamental aspect of quantum mechanics, arising from the measurement process that collapses superpositions into definite outcomes according to Born's rule. Generating large-scale random quantum states is crucial for quantum computing...
Braiding of Majorana zero modes in vortex cores
Maxwell Buss, Jasmin Bedow, Prashant Gupta +1 more·Apr 23, 2025
We demonstrate the successful simulation of $\sqrt{Z}$-, $\sqrt{X}$- and $X$-quantum gates using Majorana zero modes (MZMs) that emerge in magnetic vortices located in topological superconductors. We compute the transition probabilities and geometric...
Simulating Quantum Circuits with Tree Tensor Networks using Density-Matrix Renormalization Group Algorithm
Aditya Dubey, Z. Zeybek, P. Schmelcher·Apr 23, 2025
Quantum computing offers the potential for computational abilities that can go beyond classical machines. However, they are still limited by several challenges such as noise, decoherence, and gate errors. As a result, efficient classical simulation o...
Resource Reduction in Multiparty Quantum Secret Sharing of both Classical and Quantum Information under Noisy Scenario
Nirupam Basak, Goutam Paul·Apr 23, 2025
Quantum secret sharing (QSS) enables secure distribution of information among multiple parties but remains vulnerable to noise. We analyze the effects of bit-flip, phase-flip, and amplitude damping noise on the multiparty QSS for classical message (Q...
Clifford and Non-Clifford Splitting in Quantum Circuits: Applications and ZX-Calculus Detection Procedure
Fernando Lima, Arcesio Castaneda Medina·Apr 22, 2025
Classical simulation of quantum circuits is a pivotal part of the quantum computing landscape, specially within the NISQ era, where the constraints imposed by available hardware are unavoidable. The Gottesman-Knill theorem further motivates this argu...
Augmenting Simulated Noisy Quantum Data Collection by Orders of Magnitude Using Pre-Trajectory Sampling with Batched Execution
T. Patti, Thien Nguyen, J. Lietz +2 more·Apr 22, 2025
Classically simulating quantum systems is challenging, as even noiseless n-qubit quantum states scale as 2n. The complexity of noisy quantum systems is even greater, requiring 2n × 2n-dimensional density matrices. Various approximations reduce densit...
Quantum Simulation-Based Optimization for Cooling System Design
Leonhard Hölscher, Lukas Müller, Or Samimi +1 more·Apr 21, 2025
Engineering design processes involve iterative design evaluations requiring numerous computationally intensive numerical simulations. Quantum algorithms promise substantial speedups for specific tasks relevant to engineering simulations. However, the...
Generalized cross-resonance scheme for maximally-entangling two-qutrit gates
Yash Saxena, Tharrmashastha Sapv, Sagnik Chatterjee +1 more·Apr 21, 2025
To utilize higher-dimensional quantum systems, in this Letter, we derive a generalized cross-resonance (GCR) scheme for realizing maximally entangling two-qutrit gates on fixed-frequency transmons beyond the 0-1 subspace. Our two-qutrit gates, namely...
Advancing quantum process tomography through quantum compilation
Huynh Le Dan Linh, Vu Tuan Hai, Le Bin Ho·Apr 21, 2025
Quantum process tomography (QPT) plays a central role in characterizing quantum gates and circuits, diagnosing quantum devices, calibrating hardware, and supporting quantum error correction. However, conventional QPT methods face challenges related t...
Efficient simulation of Clifford circuits with small Markovian errors
Ashe Miller, Corey I. Ostrove, Jordan Hines +3 more·Apr 21, 2025
Classical simulation of noisy quantum circuits is essential for understanding quantum computing experiments. It enables scalable error characterization, analysis of how noise impacts quantum algorithms, and optimized implementations of quantum error ...
Quantum simulation of interacting bosons with propagating waveguide photons
Xinyuan Zheng, M. J. Mehrabad, A. Dutt +2 more·Apr 21, 2025
Optical networks composed of interconnected waveguides are a versatile platform to simulate bosonic physical phenomena. Significant work in the non-interacting regime has demonstrated the capabilities of this platform to simulate many exotic effects ...
Branch-and-bound digitized counterdiabatic quantum optimization
Anton Simen, Sebastián V. Romero, Alejandro Gomez Cadavid +2 more·Apr 21, 2025
Branch-and-bound algorithms effectively solve combinatorial optimization problems, relying on the relaxation of the objective function to obtain tight lower bounds. While this is straightforward for convex objective functions, higher-order formulatio...
Toward extracting scattering phase shift from integrated correlation functions on quantum computers
Peng Guo·Apr 20, 2025
Based on an established relation that relates the integrated correlation functions for a trapped system to the infinite volume scattering phase shifts through a weighted integral, we propose to extract the infinite volume scattering phase shifts thro...
Guess, SWAP, Repeat : Capturing Quantum Snapshots in Classical Memory
Debarshi Kundu, Avimita Chatterjee, Swaroop Ghosh·Apr 20, 2025
We introduce a novel technique that enables observation of quantum states without direct measurement, preserving them for reuse. Our method allows multiple quantum states to be observed at different points within a single circuit, one at a time, and ...
Quantum-Enhanced Reinforcement Learning for Power Grid Security Assessment
Benjamin M. Peter, M. Korkali·Apr 19, 2025
The increasingly challenging task of maintaining power grid security requires innovative solutions. Novel approaches using reinforcement learning (RL) agents have been proposed to help grid operators navigate the massive decision space and nonlinear ...
Realizing string breaking dynamics in a $Z_2$ lattice gauge theory on quantum hardware
C. Alexandrou, A. Athenodorou, Kostas Blekos +2 more·Apr 18, 2025
We investigate static and dynamical aspects of string breaking in a $Z_2$ lattice gauge theory coupled to Kogut-Susskind staggered fermions. Using Tensor Network simulations, we demonstrate that the static potential as well as the site-resolved confi...
Quantum Walks-Based Adaptive Distribution Generation with Efficient CUDA-Q Acceleration
Yen-Jui Chang, Wei-Ting Wang, Chen-Yu Liu +2 more·Apr 18, 2025
We present a novel Adaptive Distribution Generator that leverages a quantum walks-based approach to generate high precision and efficiency of target probability distributions. Our method integrates variational quantum circuits with discrete-time quan...
Comparative Benchmarking of Utility-Scale Quantum Emulators
A. Leonteva, Guido Masella, Maxime Outteryck +2 more·Apr 18, 2025
Evaluating quantum algorithms at utility-scale – involving more than 100 qubits – is a key step toward advancing real-world applications of quantum computing. In this study, we benchmark seven state-of-the-art quantum emulators employing techniques s...
Feedforward suppression of readout-induced faults in quantum error correction
Liran Shirizly, Dekel Meirom, Malcolm Carroll +1 more·Apr 17, 2025
Qubit measurements in quantum devices involve various types of errors, including erroneous state determination, correlated preparation errors and measurement-induced leakage from the computational states. We propose a feedforward protocol to reduce r...