Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Efficient quantum circuit compilation for near-term quantum advantage
Yuchen Guo, Shuo Yang·Jan 13, 2025
Quantum noise in real-world devices poses a significant challenge in achieving practical quantum advantage, since accurately compiled and executed circuits are typically deep and highly susceptible to decoherence. To facilitate the implementation of ...
Robust Hybrid Classical-Quantum Transfer Learning Model for Text Classification Using GPT-Neo 125M with LoRA & SMOTE Enhancement
Santanam Wishal·Jan 12, 2025
This research introduces a hybrid classical-quantum framework for text classification, integrating GPT-Neo 125M with Low-Rank Adaptation (LoRA) and Synthetic Minority Over-sampling Technique (SMOTE) using quantum computing backends. While the GPT-Neo...
The Hitchhiker's Guide to QSP pre-processing
S. Skelton·Jan 10, 2025
Quantum signal processing (QSP) relies on a historically costly pre-processing step,"QSP-processing/phase-factor finding."QSP-processing is now a developed topic within quantum algorithms literature, and a beginner accessible review of QSP-processing...
Faster quantum chemistry simulations on a quantum computer with improved tensor factorization and active volume compilation
Athena Caesura, Cristian L. Cortes, W. Pol +8 more·Jan 10, 2025
Electronic structure calculations of molecular systems are among the most promising applications for fault-tolerant quantum computing (FTQC) in quantum chemistry and drug design. However, while recent algorithmic advancements such as qubitization and...
Practical Quantum Circuit Implementation for Simulating Coupled Classical Oscillators
Natt Luangsirapornchai, Peeranat Sanglaor, Apimuk Sornsaeng +4 more·Jan 10, 2025
Simulating large-scale coupled-oscillator systems presents substantial computational challenges for classical algorithms, particularly when pursuing first-principles analyses in the thermodynamic limit. Motivated by the quantum algorithm framework pr...
Plane-selective manipulations of nuclear spin qubits in a three-dimensional optical tweezer array
Toshi Kusano, Y. Nakamura, Rei Yokoyama +5 more·Jan 10, 2025
One of the central challenges for a practical fault-tolerant quantum computer is scalability. A three-dimensional structure of optical tweezer arrays offers the potential for scaling up neutral atom processors. However, coherent operations, essential...
Deterministic Fault-Tolerant State Preparation for Near-Term Quantum Error Correction: Automatic Synthesis Using Boolean Satisfiability
Ludwig Schmid, Tom Peham, Lucas Berent +2 more·Jan 9, 2025
To ensure resilience against the unavoidable noise in quantum computers, quantum information needs to be encoded using an error-correcting code, and circuits must have a particular structure to be fault-tolerant. Compilation of fault-tolerant quantum...
Non-Markovian Noise Mitigation: Practical Implementation, Error Analysis, and the Role of Environment Spectral Properties
Ke Wang, Xiantao Li·Jan 9, 2025
Quantum error mitigation(QEM), an error suppression strategy without the need for additional ancilla qubits for noisy intermediate-scale quantum~(NISQ) devices, presents a promising avenue for realizing quantum speedups of quantum computing algorithm...
IQPopt: Fast optimization of instantaneous quantum polynomial circuits in JAX
Erik Recio-Armengol, Joseph Bowles·Jan 8, 2025
IQPopt is a software package designed to optimize large-scale instantaneous quantum polynomial circuits on classical hardware. By exploiting an efficient classical simulation algorithm for expectation value estimation, circuits with thousands of qubi...
Efficient Protein Ground State Energy Computation via Fragmentation and Reassembly
Laia Coronas Sala, Parfait Atchade-Adelemou Lighthouse Disruptive Innovation S.L., Mit Media Lab·Jan 7, 2025
Protein characterization is one of the key components for understanding the human body and advancing drug discovery processes. While the future of quantum hardware holds the potential to accurately characterize these molecules, current efforts focus ...
Quantum simulations of defects near the (0001) surface of $\alpha$-Al$_2$O$_3$
Vijaya Begum-Hudde, Yi-Ting Lee, Barbara A Jones +1 more·Jan 7, 2025
Defects in materials are ubiquitous and one of their adverse effects in $\alpha$-Al$_2$O$_3$ is the initiation of corrosion. While this process starts near the surface, the defects involved and their electronic structure need to be elucidated with hi...
Evolved Quantum Boltzmann Machines
Michele Minervini, Dhrumil Patel, Mark M. Wilde·Jan 6, 2025
We introduce evolved quantum Boltzmann machines as a variational ansatz for quantum optimization and learning tasks. Given two parameterized Hamiltonians $G(θ)$ and $H(φ)$, an evolved quantum Boltzmann machine consists of preparing a thermal state of...
Simulation of entanglement based quantum networks for performance characterization
David Pérez-Castro, Juan Fernández-Herrerín, Ana Fernández Vilas +2 more·Jan 6, 2025
Entanglement-based networks (EBNs) enable general-purpose quantum communication by combining entanglement and its swapping in a sequence that addresses the challenges of achieving long distance communication with high fidelity associated with quantum...
Enhanced Atom-by-Atom Assembly of Defect-Free Two-Dimensional Mixed-Species Atomic Arrays
Ming-Rui Wei, Kunpeng Wang, Jiayi Hou +8 more·Jan 4, 2025
Defect-free single atom array in optical tweezers is a promising platform for scalable quantum computing, quantum simulation, and quantum metrology. Extending single-species array to mixed-species one promise to offer new possibilities. In our recent...
Experimental simulation of postselected closed timelike curves for decoding scrambled quantum information
Yi-Te Huang, Hsiang-Wei Huang, Jhen-Dong Lin +5 more·Jan 4, 2025
Quantum information scrambling (QIS) describes the rapid spread of initially localized information across an entire quantum many-body system through entanglement generation. Once scrambled, the original local information becomes encoded globally, ina...
Noise-Mitigated Variational Quantum Eigensolver with Pre-training and Zero-Noise Extrapolation
Wanqi Sun, Jungang Xu, Chenghua Duan·Jan 3, 2025
As a hybrid quantum-classical algorithm, the variational quantum eigensolver is widely applied in quantum chemistry simulations, especially in computing the electronic structure of complex molecular systems. However, on existing noisy intermediate-sc...
Polynomial-time quantum Gibbs sampling for the weak and strong coupling regime of the Fermi-Hubbard model at any temperature
Štěpán Šmíd, Richard Meister, Mario Berta +1 more·Jan 2, 2025
Quantum computers hold the potential to revolutionise the simulation of quantum many-body systems, with profound implications for fundamental physics and applications like molecular and material design. However, demonstrating quantum advantage in sim...
The phase diagram of quantum chromodynamics in one dimension on a quantum computer
Anton T. Than, Y. Y. Atas, Abhijit Chakraborty +8 more·Dec 31, 2024
The quantum chromodynamics (QCD) phase diagram, which reveals the state of strongly interacting matter at different temperatures and densities, is key to answering open questions in physics, ranging from the behaviour of particles in neutron stars to...
Efficient Approximate Degenerate Ordered Statistics Decoding for Quantum Codes via Reliable Subset Reduction
Ching-Feng Kung, Kao-Yueh Kuo, Ching-Yi Lai·Dec 30, 2024
Efficient and scalable decoding of quantum codes is essential for high-performance quantum error correction. In this work, we introduce Reliable Subset Reduction (RSR), a reliability-driven preprocessing framework that leverages belief propagation (B...
Routing-based technique for defect mitigation in quantum error correction
Runshi Zhou, Fang Zhang, Linghang Kong +3 more·Dec 30, 2024
As quantum chips scale up for large-scale computation, hardware defects become inevitable and must be carefully addressed. In this work, we introduce Halma, a defect mitigation technique empowered by an expanded native gate set that incorporates the ...