Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Interplay of entanglement structures and stabilizer entropy in spin models
Michele Viscardi, Marcello Dalmonte, Alioscia Hamma +1 more·Mar 11, 2025
Understanding the interplay between nonstabilizerness and entanglement is crucial for uncovering the fundamental origins of quantum complexity. Recent studies have proposed entanglement spectral quantities, such as antiflatness of the entanglement sp...
Nonlinear Tripartite Coupling of Trapped Electrons with Magnons in a Hybrid Quantum System
Xue-Feng Pan, Peng-Bo Li·Mar 11, 2025
Coherent nonlinear tripartite interactions are critical for advancing quantum simulation and information processing in hybrid quantum systems, yet they remain experimentally challenging and still evade comprehensive exploration. Here, we predict a no...
QUIET-SR: Quantum Image Enhancement Transformer for Single Image Super-Resolution
Siddhant Dutta, Nouhaila Innan, Khadijeh Najafi +2 more·Mar 11, 2025
Recent advancements in Single-Image Super-Resolution (SISR) using deep learning have significantly improved image restoration quality. However, the high computational cost of processing high-resolution images due to the large number of parameters in ...
Composably Secure Delegated Quantum Computation with Weak Coherent Pulses
Maxime Garnier, Dominik Leichtle, Luka Music +1 more·Mar 11, 2025
A client can delegate a quantum computation to a powerful remote server while ensuring the privacy and the integrity of its computation via Secure Delegated Quantum Computation (SDQC). Thanks to recent results making them noise-robust and resource-ef...
Geometric quantum drives and topological dynamical responses: hyperbolically-driven quantum systems and beyond
Jihong Wu, Chuan Liu, Daniel Bulmash +1 more·Mar 11, 2025
We introduce a geometrical framework to construct a large class of time-dependent quantum systems, in which the position of a classical particle moving autonomously on a smooth connected manifold is used to steer a quantum Hamiltonian over time. This...
A quantum Monte Carlo algorithm for arbitrary high-spin Hamiltonians
Arman Babakhani, Lev Barash, Itay Hen·Mar 11, 2025
We present a universal quantum Monte Carlo algorithm for simulating arbitrary high-spin (spin greater than 1/2) Hamiltonians, based on the recently developed permutation matrix representation (PMR) framework. Our approach extends a previously develop...
Energy Scale Degradation in Sparse Quantum Solvers: A Barrier to Quantum Utility
Thang N. Dinh, C. Cong·Mar 11, 2025
Quantum computing offers a promising route for tackling hard optimization problems by encoding them as Ising models. However, sparse qubit connectivity requires the use of minor-embedding, mapping logical qubits onto chains of physical qubits, which ...
Quantum squeezing amplification with a weak Kerr nonlinear oscillator
Yanyan Cai, Xiaowei Deng, Libo Zhang +8 more·Mar 11, 2025
Quantum squeezed states, with biased quantum noise, have been widely utilized in quantum sensing and quantum error correction applications. However, generating and manipulating these nonclassical states with a large squeezing degree typically require...
Tensor networks for quantum computing
A. Berezutskii, Atithi Acharya, R. Ellerbrock +24 more·Mar 11, 2025
Tensor networks have become a useful tool in many areas of physics, especially in quantum information science and quantum computing, where they are used to represent and manipulate quantum states and processes. The original use of tensor networks is ...
Automated quantum algorithm design using a domain-specific language
Amy Rouillard, Matt Lourens, Francesco Petruccione·Mar 11, 2025
We present a computational method to automatically design the n-qubit realisations of quantum algorithms. Our approach leverages a domain-specific language (DSL) that enables the construction of quantum circuits via modular building blocks, making it...
A practically scalable approach to the closest vector problem for sieving via QAOA with fixed angles
Ben Priestley, P. Wallden·Mar 11, 2025
The NP-hardness of the closest vector problem (CVP) is an important basis for quantum-secure cryptography, in much the same way that integer factorisation’s conjectured hardness is at the foundation of cryptosystems like RSA. Recent work with heurist...
Quantum circuits for SU(3) lattice gauge theory
Praveen Balaji, Cianán Conefrey-Shinozaki, Patrick Draper +5 more·Mar 11, 2025
Lattice gauge theories in varying dimensions, lattice volumes, and truncations offer a rich family of targets for Hamiltonian simulation on quantum devices. In return, formulating quantum simulations can provide new ways of thinking about the quantum...
Mitigating transients in flux-control signals in a superconducting quantum processor
Anuj Aggarwal, Jorge Fern'andez-Pend'as, Tahereh Abad +12 more·Mar 11, 2025
Flux-tunable qubits and couplers are common components in superconducting quantum processors. However, dynamically controlling these elements via current pulses poses challenges due to distortions and transients in the propagating signals. In particu...
Challenging the Quantum Advantage Frontier with Large-Scale Classical Simulations of Annealing Dynamics
Linda Mauron, Giuseppe Carleo·Mar 11, 2025
Recent demonstrations of D-Wave's annealing-based quantum simulators have established new benchmarks for quantum computational advantage [arXiv:2403.00910]. However, the precise location of the classical-quantum computational frontier remains an open...
Achievable Rate Regions for Multi-terminal Quantum Channels via Coset Codes
Fatma Gouiaa, Arun Padakandla·Mar 10, 2025
We undertake a Shannon theoretic study of the problem of communicating bit streams over a 3-user quantum interference channel (QIC) and focus on characterizing inner bounds. Adopting the powerful technique of tilting, smoothing, and augmentation disc...
H3PIMAP: A Heterogeneity-Aware Multi-Objective DNN Mapping Framework on Electronic-Photonic Processing-in-Memory Architectures
Ziang Yin, Aashish Poonia, Ashish Reddy Bommana +7 more·Mar 10, 2025
The future of artificial intelligence (AI) acceleration demands a paradigm shift beyond the limitations of purely electronic or photonic architectures. Photonic analog computing delivers unmatched speed and parallelism but struggles with data movemen...
NeuroChat: A Neuroadaptive AI Chatbot for Customizing Learning Experiences
Dünya Baradari, Nataliya Kosmyna, Oscar Petrov +2 more·Mar 10, 2025
Generative AI is transforming education by enabling personalized, on-demand learning experiences. However, current AI systems lack awareness of the learner's cognitive state, limiting their adaptability. Meanwhile, electroencephalography (EEG)-based ...
Nonstabilizerness dynamics in many-body localized systems
Pedro R. Nicácio Falcão, Piotr Sierant, Jakub Zakrzewski +1 more·Mar 10, 2025
Nonstabilizerness, also known as ``magic'', quantifies the deviation of quantum states from stabilizer states, capturing the complexity necessary for quantum computational advantage. In this study, we investigate the dynamics of nonstabilizerness in ...
Spacetime events from the inside out
G. J. Milburn·Mar 10, 2025
We argue that special and general theories of relativity implicitly assume spacetime events correspond to quantum measurement outcomes. This leads to a change in how one should view the equivalence of spacetime and gravity. We describe a Bell test us...
Experimental observation of non-Markovian quantum exceptional points
Hao-Long Zhang, Pei-Rong Han, Fan Wu +3 more·Mar 10, 2025
One of the most remarkable features that distinguish open systems from closed ones is the presence of exceptional points (EPs), where two or more eigenvectors of a non-Hermitian operator coalesce, accompanying the convergence of the correcponding eig...