Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Perturbative framework for engineering arbitrary Floquet Hamiltonian
Yingdan Xu, Lingzhen Guo·Oct 14, 2024
We develop a systematic perturbative framework to engineer an arbitrary target Hamiltonian in the Floquet phase space of a periodically driven oscillator based on Floquet–Magnus expansion. The high-order errors in the engineered Floquet Hamiltonian a...
A Combinatorial Approach to Avoiding Weak Keys in the BIKE Cryptosystem
Gretchen L. Matthews, Emily McMillon·Oct 14, 2024
Bit Flipping Key Encapsulation (BIKE) is a code-based cryptosystem that was considered in Round 4 of the NIST Post-Quantum Cryptography Standardization process. It is based on quasi-cyclic moderate-density parity-check (QC-MDPC) codes paired with an ...
How to Construct Random Unitaries
Fermi Ma, Hsin-Yuan Huang·Oct 14, 2024
The existence of pseudorandom unitaries (PRUs)—efficient quantum circuits that are computationally indistinguishable from Haar-random unitaries—has been a central open question, with significant implications for cryptography, complexity theory, and f...
Efficient Simulation of Open Quantum Systems on NISQ Trapped‐Ion Hardware
Colin Burdine, Nora M. Bauer, G. Siopsis +1 more·Oct 14, 2024
Simulating open quantum systems, which interact with external environments, presents significant challenges on noisy intermediate‐scale quantum (NISQ) devices due to limited qubit resources and noise. In this study, an efficient framework is proposed...
High dimensional counterdiabatic quantum computing
Diego Tancara, F. Albarr'an-Arriagada·Oct 14, 2024
The digital version of adiabatic quantum computing enhanced by counterdiabatic driving, known as digitized counterdiabatic quantum computing, has emerged as a paradigm that opens the door to fast and low-depth algorithms. In this work, we explore the...
Error-detected quantum operations with neutral atoms mediated by an optical cavity.
Brandon Grinkemeyer, Elmer Guardado-Sanchez, Ivana Dimitrova +5 more·Oct 14, 2024
Neutral-atom quantum processors are a promising platform for large-scale quantum computing. Integrating them with optical cavities enables fast nondestructive qubit readout and access to fast remote entanglement generation for quantum networking. In ...
Swift: High-Performance Sparse Tensor Contraction for Scientific Applications
Andrew Ensinger, Gabriel Kulp, Victor Agostinelli +2 more·Oct 14, 2024
In scientific fields such as quantum computing, physics, chemistry, and machine learning, high dimensional data are typically represented using sparse tensors. Tensor contraction is a popular operation on tensors to exploit meaning or alter the input...
Robustness of near-thermal dynamics on digital quantum computers
E. Chertkov, Yi-Hsiang Chen, M. Lubasch +2 more·Oct 14, 2024
Understanding the impact of gate errors on quantum circuits is crucial to determining the potential applications of quantum computers, especially in the absence of large-scale error-corrected hardware. We put forward analytical arguments, corroborate...
Bounds on Multipartite Nonlocality via Reduction to Biased Nonlocality
Hafiza Rumlah Amer, Jibran Rashid·Oct 13, 2024
Multipartite information principles are needed to understand nonlocal quantum correlations. Towards that end, we provide optimal bounds on genuine multipartite nonlocality for classes of THRESHOLD games using the LOCCG (Local Operations with Grouping...
QADL: Prototype of Quantum Architecture Description Language
Muhammad Waseem, Aakash Ahmad, T. Mikkonen +4 more·Oct 13, 2024
Quantum Software (QSW) aims to exploit the principles of quantum mechanics – programming quantum bits (QuBits) that manipulate quantum gates (QuGates) – for operationalizing quantum computing systems. QSW has emerged as a quantum-specific genre of cl...
Coherent Control of Photon Correlations in Trapped Ion Crystals
K. Singh, A. Cidrim, A. Kovalenko +4 more·Oct 12, 2024
While the spontaneous emission from independent emitters provides spatially uncorrelated photons - a typical manifestation of quantum randomness, the interference of the coherent scattering leads to a well-defined intensity pattern - a feature descri...
Tackling Coherent Noise in Quantum Computing via Cross-Layer Compiler Optimization
Xiangyu Ren, Junjie Wan, Zhiding Liang +1 more·Oct 12, 2024
Quantum computing hardware is affected by quantum noise that undermine the quality of results of an executed quantum program. Amongst other quantum noises, coherent error that caused by parameter drifting and miscalibration, remains critical. While c...
Quantum Neural Network for Accelerated Magnetic Resonance Imaging
Shuo Zhou, Yihang Zhou, Congcong Liu +4 more·Oct 12, 2024
Magnetic resonance image reconstruction starting from undersampled k-space data requires the recovery of many potential nonlinear features, which is very difficult for algorithms to recover these features. In recent years, the development of quantum ...
Observable measurement-induced transitions
Aleksei Khindanov, I. Aleiner, L. Faoro +1 more·Oct 12, 2024
One of the main postulates of quantum mechanics is that measurements destroy quantum coherence (wave function collapse). Recently it was discovered that in a many-body system dilute local measurements still preserve some coherence across the entire s...
QOPS: a compiler framework for quantum circuit simulation acceleration with profile-guided optimizations
Yu-Tsung Wu, Po-Hsuan Huang, Kai-Chieh Chang +2 more·Oct 12, 2024
Quantum circuit simulation is important in the evolution of quantum software and hardware. Novel algorithms can be developed and evaluated by performing quantum circuit simulations on classical computers before physical quantum computers are availabl...
Disentangling magic states with classically simulable quantum circuits
Gerald E. Fux, Benjamin Béri, Rosario Fazio +1 more·Oct 11, 2024
We show that states obtained from deep random Clifford circuits doped with non-Clifford phase gates (including T-gates and $\sqrt{\mathrm{T}}$-gates) can be disentangled completely, provided the number of non-Clifford gates is smaller or approximatel...
Distributed Quantum Hypothesis Testing under Zero-rate Communication Constraints
Sreejith Sreekumar, Christoph Hirche, Hao-Chung Cheng +1 more·Oct 11, 2024
The trade-offs between error probabilities in quantum hypothesis testing are by now well-understood in the centralized setting, but much less is known for distributed settings. Here, we study a distributed binary hypothesis testing problem to infer a...
Hardness-dependent quantum adiabatic schedules for the maximum-independent-set problem
S'ebastien Perseguers·Oct 11, 2024
We propose a numerical approach to design highly efficient adiabatic schedules for analog quantum computing, focusing on the maximum-independent-set problem and neutral atom platforms. On the basis of a representative dataset of small graphs, we pres...
Non-volatile Tuning of Cryogenic Optical Resonators
U. Adya, Rui Chen, I-Tung Chen +4 more·Oct 11, 2024
Quantum computing, ultra-low-noise sensing, and high-energy physics experiments often rely on superconducting circuits or semiconductor qubits and devices operating at deep cryogenic temperatures (4K and below). Photonic integrated circuits and inter...
Accurate quantum-centric simulations of supramolecular interactions
Kenneth M. Merz, Danil S. Kaliakin, Akhil Shajan +9 more·Oct 11, 2024
We present the first quantum-centric simulations of noncovalent interactions using a supramolecular approach. We simulate the potential energy surfaces (PES) of the water and methane dimers, featuring hydrophilic and hydrophobic interactions, respect...