Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Generating non-Clifford gate operations through exact mapping between Majorana fermions and Z4 parafermions
Ali Hamed Safwan, R. W. Bomantara·Nov 27, 2024
Majorana fermions and their generalizations to Zn parafermions are considered promising building blocks of fault-tolerant quantum computers for their ability to encode quantum information nonlocally. In such topological quantum computers, highly robu...
Optimising Iteration Scheduling for Full-State Vector Simulation of Quantum Circuits on FPGAs
Youssef Moawad, Andrew Brown, René Steijl +1 more·Nov 27, 2024
As the field of quantum computing grows, novel algorithms which take advantage of quantum phenomena need to be developed. As we are currently in the NISQ (noisy intermediate scale quantum) era, quantum algorithm researchers cannot reliably test their...
Ground-State Preparation of the Fermi-Hubbard Model on a Quantum Computer with 2D Topology via Quantum Eigenvalue Transformation of Unitary Matrices
Thilo R. Muller, Manuel Geiger, C. Mendl·Nov 27, 2024
Quantum computing holds immense promise for simulating quantum systems, a critical task for advancing our understanding of complex quantum phenomena. One of the primary goals in this domain is to accurately approximate the ground state of quantum sys...
Towards quantum error correction with two-body gates for quantum registers based on nitrogen-vacancy centers in diamond
Daniel Dulog, M. Plenio·Nov 27, 2024
Color centers in diamond provide a possible hardware for quantum computation, where the most basic quantum information processing unit are nitrogen-vacancy (NV) centers, each in contact with adjacent carbon nuclear spins. With specifically tailored d...
Simulating Vibrational Dynamics on Bosonic Quantum Devices.
Shreyas Malpathak, Sangeeth Das Kallullathil, A. Izmaylov·Nov 27, 2024
Bosonic quantum devices, which utilize harmonic oscillator modes to encode information, are emerging as a promising alternative to conventional qubit-based quantum devices, especially for the simulation of vibrational dynamics and spectroscopy. We pr...
Quantum simulation of the Sachdev-Ye-Kitaev model using time-dependent disorder in optical cavities
Rahel Baumgartner, Pietro Pelliconi, Soumik Bandyopadhyay +5 more·Nov 26, 2024
The Sachdev--Ye--Kitaev (SYK) model is a paradigm for extreme quantum chaos, non-Fermi-liquid behavior, and holographic matter. Yet, the dense random all-to-all interactions that characterize it are an extreme challenge for realistic laboratory reali...
Distance-Security Tradeoffs for Repeaterless End-to-End QKD Networks
Sumit Chaudhary, Davide Li Calsi, JinHyeock Choi +2 more·Nov 26, 2024
Quantum Key Distribution (QKD) offers provably secure, information-theoretic key exchange, but in long-distance scenarios without quantum repeaters, Trusted Nodes (TNs) are commonly employed despite introducing critical security risks. We propose a r...
Toward a Quantum Computing Formulation of the Electron Nuclear Dynamics Method via Fukutome Unitary Representation
Juan C. Dom'inguez, Ismael de Farias, Jorge A. Morales·Nov 26, 2024
We present the first installment of the quantum computing (QC) formulation of the electron nuclear dynamics (END) method within the variational quantum simulator (VQS) scheme: END/QC/VQS. END is a time-dependent, variational, on-the-flight, and non-a...
High-Performance and Scalable Fault-Tolerant Quantum Computation with Lattice Surgery on a 2.5D Architecture
Yosuke Ueno, Takuzo Saito, Teruo Tanimoto +4 more·Nov 26, 2024
Due to the high error rate of a qubit, detecting and correcting errors on it is essential for fault-tolerant quantum computing (FTQC). Among several FTQC techniques, lattice surgery (LS) using surface code (SC) is currently promising. To demonstrate ...
Mixed-State Quantum Denoising Diffusion Probabilistic Model
Gino Kwun, Bingzhi Zhang, Quntao Zhuang·Nov 26, 2024
Generative quantum machine learning has gained significant attention for its ability to produce quantum states with desired distributions. Among various quantum generative models, quantum denoising diffusion probabilistic models (QuDDPMs) [Phys. Rev....
High-Level Surface Code Decoding via Parallel FFNNs on CIM Platforms
Hao Wang, Erjia Xiao, Wenbo Mu +9 more·Nov 26, 2024
Due to the high sensitivity of qubits to environmental noise, which leads to decoherence and information loss, active quantum error correction(QEC) is essential. Surface codes represent one of the most promising fault-tolerant QEC schemes, but they r...
Warehouse optimization using a trapped-ion quantum processor
A. C. Ricardo, Gabriel P. L. M. Fernandes, Amanda G. Val'erio +8 more·Nov 26, 2024
Warehouse optimization stands as a critical component for enhancing operational efficiency within the industrial sector. By strategically streamlining warehouse operations, organizations can achieve significant reductions in logistical costs such as ...
Partition function estimation with a quantum coin toss
T. L. Silva, Lucas Borges, Leandro Aolita·Nov 26, 2024
Estimating quantum partition functions is a critical task in a variety of fields. However, the problem is classically intractable in general due to the exponential scaling of the Hamiltonian dimension $N$ in the number of particles. This paper introd...
An improved quantum algorithm of the multislice method
Yucheng Wang, Yang Sun, Z. Ding·Nov 26, 2024
Summary The multislice method is an important algorithm for electron diffraction and image simulations in transmission electron microscopy (TEM). We have proposed a quantum algorithm of the multislice method based on quantum circuit model previously....
Quantum Wave Simulation with Sources and Loss Functions
Cyrill Bosch, Malte Schade, Giacomo Aloisi +2 more·Nov 26, 2024
We present a quantum algorithmic framework for simulating linear, anti-Hermitian (lossless) wave equations in heterogeneous, anisotropic, and time-independent media. This framework encompasses a broad class of wave equations, including the acoustic w...
Exact Solvability Of Entanglement For Arbitrary Initial State in an Infinite-Range Floquet System
Harshit Sharma, Udaysinh T. Bhosale·Nov 25, 2024
Sharma and Bhosale [\href{https://journals.aps.org/prb/abstract/10.1103/PhysRevB.109.014412}{Phys. Rev. B \textbf{109}, 014412 (2024)}; \href{https://journals.aps.org/prb/abstract/10.1103/PhysRevB.110.064313}{Phys. Rev. B \textbf{110}, 064313,(2024)}...
Measuring entanglement without local addressing in quantum many-body simulators via spiral quantum state tomography
Giacomo Marmorini, Takeshi Fukuhara, Daisuke Yamamoto·Nov 25, 2024
Quantum state tomography serves as a key tool for identifying quantum states generated in quantum computers and simulators, typically involving local operations on individual particles or qubits to enable independent measurements. However, this appro...
Superradiant Quantum Phase Transition in Open Systems: System-Bath Interaction at the Critical Point
Daniele Lamberto, Gabriele Orlando, Salvatore Savasta·Nov 25, 2024
The occurrence of a second-order quantum phase transition in the Dicke model is a well-established feature. On the contrary, a comprehensive understanding of the corresponding open system, particularly in the proximity of the critical point, remains ...
Scalable Parameter Design for Superconducting Quantum Circuits with Graph Neural Networks.
Hao Ai, Yu-xi Liu·Nov 25, 2024
To demonstrate supremacy of quantum computing, increasingly large-scale superconducting quantum computing chips are being designed and fabricated. However, the complexity of simulating quantum systems poses a significant challenge to computer-aided d...
Divergence-free algorithms for solving nonlinear differential equations on quantum computers
Katsuhiro Endo, Kazuaki Z. Takahashi·Nov 25, 2024
From weather to neural networks, modeling is not only useful for understanding various phenomena, but also has a wide range of potential applications. Although nonlinear differential equations are extremely useful tools in modeling, their solutions a...