Quantum Brain

Papers

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

Total Papers

28,402

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150

Today

0

Research Volume

13,522 papers in 12 months (-19% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,402 papers found

Bosonic quantum error correction using squeezed Fock states

E. N. Bashmakova, S. Korolev, T. Golubeva·May 30, 2025

In the paper, we develop a bosonic quantum error correction code based on squeezed Fock states. We compare our proposed code with one based on squeezed Schrodinger's cat states using the Knill-Laflamme cost function and the Petz map fidelity. We demo...

Physics

Optimal Haar random fermionic linear optics circuits

Paolo Braccia, N. L. Diaz, Martín Larocca +2 more·May 30, 2025

Sampling unitary Fermionic Linear Optics (FLO), or matchgate circuits, has become a fundamental tool in quantum information. Such capability enables a large number of applications ranging from randomized benchmarking of continuous gate sets, to fermi...

Physics

Productionizing Quantum Mass Production

W. Huggins, T. Khattar, Nathan Wiebe·May 30, 2025

For many practical applications of quantum computing, the most costly steps involve coherently accessing classical data. We help address this challenge by applying mass production techniques, which can reduce the cost of applying an operation multipl...

Physics

Mid-circuit measurement as an algorithmic primitive

A. Lemelin, Christophe Pere, O. Landon-Cardinal +1 more·May 30, 2025

We explore the usefulness of mid-circuit measurements to enhance quantum algorithmics. Specifically, we assess how quantum phase estimation (QPE) and mid-circuit measurements can improve the performance of variational quantum algorithms. Our focus is...

Physics

Tensor network for anomaly detection in the latent space of proton collision events at the LHC

E. Puljak, Maurizio Pierini, Artur García-Sáez·May 30, 2025

The pursuit of discovering new phenomena at the Large Hadron Collider (LHC) requires constant innovation in algorithms and technologies. Tensor networks are mathematical models at the intersection of classical and quantum machine learning, which pres...

PhysicsComputer ScienceMathematics

Benchmarking Quantum Heuristics: Non-Variational QWOA for Weighted Maxcut

Tavis Bennett, Aidan Smith, Edric Matwiejew +1 more·May 30, 2025

We present benchmarking results for the non-variational Quantum Walk Optimisation Algorithm (non-variational QWOA) applied to the weighted maxcut problem, using classical simulations for problem sizes up to $n = 31$. The amplified quantum state, prep...

Physics

randextract: a Reference Library to Test and Validate Privacy Amplification Implementations

Iyán Méndez Veiga, Esther Hänggi·May 30, 2025

Quantum cryptographic protocols do not rely only on quantum-physical resources, they also require reliable classical communication and computation. In particular, the secrecy of any quantum key distribution protocol critically depends on the correct ...

PhysicsComputer Science

Strongly driven transmon as an incoherent noise source

Linda Greggio, Rémi Robin, M. Mirrahimi +1 more·May 30, 2025

Under strong drives, which are becoming necessary for fast high-fidelity operations, transmons can be structurally unstable. Due to chaotic effects, the computational manifold is no longer well separated from the remainder of the spectrum, which corr...

Physics

Symbolic Hamiltonian Compiler for Hybrid Qubit-Boson Processors

Ethan Decker, Erik Gustafson, Evan McKinney +7 more·May 30, 2025

Quantum simulation of the interactions of fermions and bosons - the fundamental particles of nature - is essential for modeling complex quantum systems in material science, chemistry and high-energy physics and has been proposed as a promising applic...

Physics

Programming quantum computers with large language models

Elena R. Henderson, Jessie M. Henderson, Joshua Ange +1 more·May 30, 2025

Large language models (LLMs) promise transformative change to fields as diverse as medical diagnosis, legal services, and software development. One reason for such an impact is LLMs’ ability to make highly technical endeavors more accessible to a bro...

PhysicsEngineering

Co-designed Quantum Discrete Adiabatic Linear System Solver Via Dynamic Circuits

Boxuan Ai, Shuo He, Xiang Zhao +7 more·May 30, 2025

Existing quantum discrete adiabatic approaches are hindered by circuit depth that increases linearly with the number of evolution steps, a significant challenge for current quantum hardware with limited coherence times. To address this, we propose a ...

Physics

Scalable decoding protocols for fast transversal logic in the surface code

Mark L. Turner, Earl T. Campbell, Ophelia Crawford +2 more·May 29, 2025

Atomic, molecular and optical (AMO) approaches to quantum computing are promising due to their increased connectivity, long coherence times and apparent scalability. However, they have a significantly reduced cadence of syndrome extraction compared t...

Physics

A tertiary review on quantum cryptography

L. Moura, Carlos Becker Westphall·May 29, 2025

Quantum computers impose an immense threat to system security. As a countermeasure, new cryptographic classes have been created to prevent these attacks. Technologies such as post-quantum cryptography and quantum cryptography. Quantum cryptography us...

Computer SciencePhysics

Fast-tracking and disentangling of qubit noise fluctuations using minimal-data averaging and hierarchical discrete fluctuation auto-segmentation

Abhishek Agarwal, Lachlan P. Lindoy, Deepesh Kumar Lall +3 more·May 29, 2025

Qubit noise and fluctuations of the noise over time are key factors limiting the performance of quantum computers. Characterising them with high temporal resolution is challenging due to multiple overlapping stochastic processes such as discrete jump...

Physics

Optimal Control by Variational Quantum Algorithms

Tangyou Huang, Jing-jun Zhu, Z.Y. Ni·May 29, 2025

Hybrid quantum-classical algorithms hold great promise for solving quantum control problems on near-term quantum computers. In this work, we employ the hybrid framework that integrates digital quantum simulation with classical optimization to achieve...

Physics

Fluxonium as a control qubit for bosonic quantum information

Ke Nie, J. Bradford, Supriya Mandal +3 more·May 29, 2025

Bosonic codes in superconducting resonators are a hardware-efficient avenue for quantum error correction and benefit from favorable error hierarchies provided by long-lived cavities compared to typical superconducting qubits. The required coupling to...

Physics

"Quantum supremacy"challenged. Instantaneous noise-based logic with benchmark demonstrations

Nasir Kenarangui, W. Daugherity, Arthur Powalka +1 more·May 29, 2025

Instantaneous Noise-Based Logic (INBL) represents a computational paradigm that offers a deterministic alternative to quantum computing, potentially challenging the notion of quantum supremacy without relying on quantum hardware. INBL encodes logical...

Physics

Graded Paraparticle Algebra of Majorana Fields for Multidimensional Quantum Computing with Structured Light

Fabrizio Tamburini, N. Leone, M. Sanna +1 more·May 29, 2025

We present a theoretical framework that integrates Majorana's infinite-component relativistic equation within the algebraic structure of paraparticles through the minimal nontrivial $\mathbb{Z}_2 \times \mathbb{Z}_2$--graded Lie algebras and $R$-matr...

PhysicsMathematics

Markovian heat engine boosted by quantum coherence

Freddier Cuenca-Montenegro, Marcela Herrera, John H. Reina·May 28, 2025

We evaluate the role of quantum coherence as a thermodynamic resource in a noisy, Markovian, one-qubit heat engine. By consuming the coherence of noisy quantum states, we demonstrate that the engine can surpass the classical efficiency limit when ope...

Quantum Physics

Towards Efficient Quantum Thermal State Preparation via Local Driving: Lindbladian Simulation with Provable Guarantees

Dominik Hahn, S. A. Parameswaran, Benedikt Placke·May 28, 2025

Preparing the thermal density matrix $ρ_β \propto e^{-βH}$ corresponding to a given Hamiltonian $H$ is a task of central interest across quantum many-body physics, and is particularly salient when attempting to study it with quantum computers. Althou...

Quantum Physicscond-mat.othercond-mat.stat-mechMathematical Physics
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