Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,526 papers in 12 months (-19% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Multi-sequence alignment using the Quantum Approximate Optimization Algorithm
Sebastian Yde Madsen, F. K. Marqversen, S. E. Rasmussen +1 more·Aug 23, 2023
The task of Multiple Sequence Alignment (MSA) is a constrained combinatorial optimization problem that is generally considered a complex computational problem. In this paper, we first present a binary encoding of MSA and devise a corresponding soft-c...
Digital-analog quantum computing of fermion-boson models in superconducting circuits
Shubham Kumar, N. N. Hegade, A. Visuri +5 more·Aug 23, 2023
High-fidelity quantum simulations demand hardware-software co-design architectures, which are crucial for adapting to complex problems such as strongly correlated dynamics in condensed matter. By leveraging co-design strategies, we can enhance the pe...
Quantum‐Noise‐Driven Generative Diffusion Models
Marco Parigi, Stefano Martina, F. Caruso·Aug 23, 2023
Generative models realized with Machine Learning (ML) techniques are powerful tools to infer complex and unknown data distributions from a finite number of training samples in order to produce new synthetic data. Diffusion Models (DMs) are an emergin...
Layering and subpool exploration for adaptive variational quantum eigensolvers: Reducing circuit depth, runtime, and susceptibility to noise
Christopher K. Long, K. Dalton, C. Barnes +2 more·Aug 22, 2023
Adaptive variational quantum eigensolvers (ADAPT-VQEs) are promising candidates for simulations of strongly correlated systems on near-term quantum hardware. To further improve the noise resilience of these algorithms, recent efforts have been direct...
Zero and Finite Temperature Quantum Simulations Powered by Quantum Magic
A. Gu, Hong-ye Hu, Di Luo +3 more·Aug 22, 2023
We introduce a quantum information theory-inspired method to improve the characterization of many-body Hamiltonians on near-term quantum devices. We design a new class of similarity transformations that, when applied as a preprocessing step, can subs...
Exploration of superconducting multi-mode cavity architectures for quantum computing
A. Reineri, S. Zorzetti, Tanay Roy +1 more·Aug 22, 2023
Superconducting radio-frequency (SRF) cavities coupled to transmon circuits have proven to be a promising platform for building high-coherence quantum information processors. An essential aspect of this realization involves designing high quality fac...
SCC5G: A PQC-Based Architecture for Highly Secure Critical Communication Over Cellular Network in Zero-Trust Environment
Mohammed Gharib, Fatemeh Afghah·Aug 21, 2023
5G made a significant jump in cellular network security by offering enhanced subscriber identity protection and a user-network mutual authentication implementation. However, it still does not fully follow the zero-trust (ZT) requirements, as users ne...
Online Detection of Golden Circuit Cutting Points
Daniel T. Chen, Ethan H. Hansen, Xinpeng Li +7 more·Aug 20, 2023
Quantum circuit cutting has emerged as a promising method for simulating large quantum circuits using a collection of small quantum machines. Running low-qubit circuit “fragments” not only overcomes the size limitation of near-term hardware, but it a...
A Variational Qubit-Efficient MaxCut Heuristic Algorithm
Yovav Tene-Cohen, Tomer Kelman, Ohad Lev +1 more·Aug 20, 2023
MaxCut is a key NP-hard combinatorial optimization problem. Quantum computing offers methods to solve such problems potentially better than classical counterparts, with the Quantum Approximate Optimization Algorithm (QAOA) being a state-of-the-ar...
Qubits on programmable geometries with a trapped-ion quantum processor
Qiming Wu, Yue Shi, Jiehang Zhang·Aug 20, 2023
Geometry and dimensionality have played crucial roles in our understanding of the fundamental laws of nature, with examples ranging from curved space-time in general relativity to modern theories of quantum gravity. In quantum many-body systems, the ...
Forward and Backward Constrained Bisimulations for Quantum Circuits Using Decision Diagrams
Lukas Burgholzer, A. Jiménez-Pastor, Kim G. Larsen +3 more·Aug 18, 2023
Efficient methods for the simulation of quantum circuits on classical computers are crucial for their analysis due to the exponential growth of the problem size with the number of qubits. Here we study lumping methods based on bisimulation, an establ...
Near-Minimal Gate Set Tomography Experiment Designs
Corey I. Ostrove, K. Rudinger, Stefan K. Seritan +2 more·Aug 17, 2023
Gate set tomography (GST) is a technique for self-consistently and precisely estimating the entire gate set of a quantum processor. GST carries nontrivial experimental cost, and as such the use of GST in practice has so far been limited to characteri...
Quaternary Neural Belief Propagation Decoding of Quantum LDPC Codes With Overcomplete Check Matrices
Sisi Miao, A. Schnerring, Haizheng Li +1 more·Aug 16, 2023
Quantum low-density parity-check (QLDPC) codes are promising candidates for error correction in quantum computers. One of the major challenges in implementing QLDPC codes in quantum computers is the lack of a universal decoder. In this work, we first...
Efficient simulation of leakage errors in quantum error correcting codes using tensor network methods
Hidetaka Manabe, Yasunari Suzuki, A. Darmawan·Aug 16, 2023
Leakage errors, in which a qubit is excited to a level outside the qubit subspace, represent a significant obstacle in the development of robust quantum computers. We present a computationally efficient simulation methodology for studying leakage err...
Constant-overhead fault-tolerant quantum computation with reconfigurable atom arrays
Qiang-Da Xu, J. P. Bonilla Ataides, C. Pattison +7 more·Aug 16, 2023
Quantum low-density parity-check (qLDPC) codes can achieve high encoding rates and good code distance scaling, potentially enabling low-overhead fault-tolerant quantum computing. However, implementing qLDPC codes involves nonlocal operations that req...
Benchmarking highly entangled states on a 60-atom analogue quantum simulator
Adam L. Shaw, Zhuo Chen, Joonhee Choi +6 more·Aug 15, 2023
Quantum systems have entered a competitive regime in which classical computers must make approximations to represent highly entangled quantum states1,2. However, in this beyond-classically-exact regime, fidelity comparisons between quantum and classi...
Exploring the Potential of Qutrits for Quantum Optimization of Graph Coloring
Gabriel Bottrill, Mudit Pandey, Olivia Di Matteo·Aug 15, 2023
Recent hardware demonstrations and advances in circuit compilation have made quantum computing with higher- dimensional systems (qudits) on near-term devices an attractive possibility. Some problems have more natural or optimal en- codings using qudi...
Sequence Processing with Quantum Tensor Networks
Carys Harvey, Richie Yeung, K. Meichanetzidis·Aug 15, 2023
We introduce complex-valued tensor network models for sequence processing motivated by correspondence to probabilistic graphical models, interpretability and resource compression. Inductive bias is introduced to our models via network architecture, a...
Energy Efficiency of Quantum Statevector Simulation at Scale
J. Adamski, James P Richings, O. T. Brown·Aug 14, 2023
Classical simulations are essential for the development of quantum computing, and their exponential scaling can easily fill any modern supercomputer. In this paper we consider the performance and energy consumption of large Quantum Fourier Transform ...
A Proposed Quantum Hamiltonian Encoding Framework for Time Evolution Operator Design of Potential Energy Function
M. R. Laskar, K. Dasgupta, A. Bhattacharya·Aug 12, 2023
The exploration of potential energy operators in quantum systems holds paramount significance, offering profound insights into atomic behaviour, defining interactions, and enabling precise prediction of molecular dynamics. By embracing the Born-Oppen...