Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

28,582

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299

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13,634 papers in 12 months (-16% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,582 papers found

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...

PhysicsMathematics

Learning agent-based approach to the characterization of open quantum systems

Lorenzo Fioroni, Ivan Rojkov, Florentin Reiter·Jan 9, 2025

Characterizing quantum processes is crucial for the execution of quantum algorithms on available quantum devices. A powerful framework for this purpose is the Quantum Model Learning Agent (QMLA) which characterizes a given system by learning its Hami...

Physics

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...

PhysicsComputer Science

Efficient qubit calibration by binary-search Hamiltonian tracking

F. Berritta, Jacob Benestad, Lukas Pahl +14 more·Jan 9, 2025

We present and experimentally implement a real-time protocol for calibrating the frequency of a resonantly driven qubit, achieving exponential scaling in calibration precision with the number of measurements, up to the limit imposed by decoherence. T...

Physics

Quantum Annealing Approaches to Solving the Shipment Rerouting Problems

Fei Li, A. Mazumder, Max B. Zhao·Jan 9, 2025

In this paper, we study a shipment rerouting problem (SRP) which generalizes many NP-hard sequencing and packing problems. A SRP's solution has ample practical applications in vehicle scheduling and transportation logistics. Given a network of hubs, ...

Physics

Almost Optimal Synthesis of Reversible Function in Qudit Model

Buji Xu, Junhong Nie, Xiaoming Sun·Jan 9, 2025

Quantum oracles are widely adopted in problems, like query oracle in Grover’s algorithm, cipher in quantum cryptanalytic and data encoder in quantum machine learning. Notably, the bit-flip oracle, capable of flipping the state based on a given classi...

PhysicsComputer Science

Research on quantum compilation of neutral atom quantum computing platform

Chongyuan Xu·Jan 9, 2025

Quantum compilation is the process of decomposing high-level quantum algorithms or arbitrary unitary operations into quantum circuits composed of a specific set of quantum gates. Neutral atom quantum computing platform is a quantum computing implemen...

Physics

Grid Cost Allocation in Peer-to-Peer Electricity Markets: Benchmarking Classical and Quantum Optimization Approaches

David Bucher, Daniel Porawski, Benedikt Wimmer +4 more·Jan 9, 2025

This paper presents a novel optimization approach for allocating grid operation costs in Peer-to-Peer (P2P) electricity markets using Quantum Computing (QC). We develop a Quadratic Unconstrained Binary Optimization (QUBO) model that matches logical p...

PhysicsComputer Science

Thermodynamic Advantage of Quantum Time-Reversal

Alexander B. Boyd, Paul M. Riechers·Jan 8, 2025

Classical computations inherently require energy dissipation that increases significantly as the reliability of the computation improves. This dissipation arises when transitions between memory states are not balanced by their time-reversed counterpa...

cond-mat.stat-mechQuantum Physics

Photon State Evolution in Arbitrary Time-Varying Media

Artuur Stevens, Christophe Caloz·Jan 8, 2025

We introduce the instantaneous eigenstate method to study the evolution of quantum states in media with arbitrary time-varying permittivity and permeability. This method leverages the Heisenberg equation to bypass the Schrödinger equation, which lead...

physics.opticsMesoscale Physicscond-mat.mtrl-sciQuantum Physics

Experimental demonstration of entanglement pumping with bosonic logical qubits

Jie Zhou, Chuanlong Ma, Yifang Xu +9 more·Jan 8, 2025

Entanglement is crucial for quantum networks and computation, yet maintaining high-fidelity entangled quantum states is hindered by decoherence and resource-intensive purification methods. Here, we experimentally demonstrate entanglement pumping, uti...

Quantum Physics

Characterizing the Burst Error Correction Ability of Quantum Cyclic Codes

Jihao Fan, Min-Hsiu Hsieh·Jan 8, 2025

Quantum burst error correction codes (QBECCs) are of great importance to deal with the memory effect in quantum channels. As the most important family of QBECCs, quantum cyclic codes (QCCs) play a vital role in the correction of burst errors. In this...

Quantum Physics

IQPopt: Fast optimization of instantaneous quantum polynomial circuits in JAX

Erik 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...

Quantum Physics

Roadmap on atomic-scale semiconductor devices

S. R. Schofield, Andrew J. Fisher, E. Ginossar +47 more·Jan 8, 2025

Spin states in semiconductors provide exceptionally stable and noise-resistant environments for qubits, positioning them as optimal candidates for reliable quantum computing technologies. The proposal to use nuclear and electronic spins of donor atom...

Physics

Efficient online quantum circuit learning with no upfront training

Thomas O'Leary, Piotr Czarnik, Elijah Pelofske +3 more·Jan 8, 2025

Optimization is a promising candidate for studying the utility of variational quantum algorithms (VQAs). However, evaluating cost functions using quantum hardware introduces runtime overheads that limit exploration. Surrogate-based methods can reduce...

Physics

Lattice surgery realized on two distance-three repetition codes with superconducting qubits

Ilya Besedin, Michael Kerschbaum, Jonathan Knoll +12 more·Jan 8, 2025

Quantum error correction is needed for quantum computers to be capable of executing algorithms using hundreds of logical qubits in a fault-tolerant manner. Recent experiments have progressed towards this by demonstrating sufficiently low error rates ...

MedicinePhysics

Comparative analysis of quantum and classical support vector classifiers for software bug prediction: an exploratory study

M. Nadim, Mohammad Hassan, A. K. Mandal +3 more·Jan 8, 2025

Quantum computing promises to transform problem-solving across various domains with rapid and practical solutions. Within software evolution and maintenance, quantum machine learning (QML) remains mostly an underexplored domain, particularly in addre...

Computer Science

Physics-inspired Machine Learning for Quantum Error Mitigation

Xiao-Yue Xu, Xin Xue, Tianyu Chen +5 more·Jan 8, 2025

Noise is a major obstacle in current quantum computing, and Machine Learning for Quantum Error Mitigation (ML-QEM) promises to address this challenge, enhancing computational accuracy while reducing the sampling overheads of standard QEM methods. Yet...

Physics

Quantum Electrodynamics of graphene Landau levels in a deep-subwavelength hyperbolic phonon polariton cavity

Gian Marcello Andolina, Matteo Ceccanti, Bianca Turini +4 more·Jan 7, 2025

The confinement of electromagnetic radiation within extremely small volumes offers an effective means to significantly enhance light-matter interactions, to the extent that zero-point quantum vacuum fluctuations can influence and control the properti...

Mesoscale PhysicsQuantum Physics

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 ...

Physics
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