Quantum Brain

Papers

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

Total Papers

27,548

This Month

1,041

Today

0

Research Volume

12,907 papers in 12 months (-5% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

4,069 papers found

Fermionic Averaged Circuit Eigenvalue Sampling

Adrian Chapman, Steven T. Flammia·Apr 2, 2025

Fermionic averaged circuit eigenvalue sampling (FACES) is a protocol to simultaneously learn the averaged error rates of many fermionic linear optical (FLO) gates simultaneously and self-consistently from a suitable collection of FLO circuits. It is ...

Quantum Physics

Variational Preparation of Entangled States in a System of Transmon Qubits

Alexander Yeremeyev, A. Tolstobrov, G. Fedorov +11 more·Apr 2, 2025

The conventional method for generating entangled states in qubit systems relies on applying precise two‐qubit entangling gates alongside single‐qubit rotations. However, achieving high‐fidelity entanglement demands high accuracy in two‐qubit operatio...

Physics

Quantum Computing for Optimizing Aircraft Loading

Ananth Kaushik, Sang Hyub Kim, Willie Aboumrad +3 more·Apr 2, 2025

The aircraft loading optimization problem is a computationally hard problem with the best known classical algorithm scaling exponentially with the number of objects. We propose a quantum approach based on a multi-angle variant of the QAOA algorithm (...

PhysicsComputer Science

CNOT-Optimal Clifford Synthesis as SAT

Irfansha Shaik, J. V. D. Pol·Apr 1, 2025

Clifford circuit optimization is an important step in the quantum compilation pipeline. Major compilers employ heuristic approaches. While they are fast, their results are often suboptimal. Minimization of noisy gates, like 2-qubit CNOT gates, is cru...

Computer SciencePhysics

Operating two exchange-only qubits in parallel

Mateusz T. Mkadzik, F. Luthi, G. Guerreschi +38 more·Apr 1, 2025

Semiconductors are among the most promising platforms to implement large-scale quantum computers, as advanced manufacturing techniques allow fabrication of large quantum dot arrays1. Various qubit encodings can be used to store and manipulate quantum...

PhysicsMedicine

Machine Learning assisted noise classification with Quantum Key Distribution protocols

Shreya Banerjee, A. Ashmi, P. Panigrahi·Apr 1, 2025

We propose a hybrid protocol to classify quantum noises using supervised classical machine learning models and simple quantum key distribution protocols. We consider the quantum bit error rates (QBERs) generated in QKD schemes under consideration of ...

Physics

A Minimal Introduction to Quantum Computing

M. Mahmud, Daniel Charles Goldsmith·Apr 1, 2025

In this article, we present an introduction to quantum computing (QC) tailored for computing professionals such as programmers, machine learning engineers, and data scientists. Our approach abstracts away the physics underlying QC, which can be chall...

Physics

Coherent manipulation of interacting electron qubitson solid neon

Xinhao Li, Yizhong Huang, Xu Han +3 more·Mar 31, 2025

Electrons trapped on solid neon surfaces serve as low-noise charge qubits with long coherence times and high operational fidelities. Such charge qubits offer full electrical control and compact device footprints, convenient for scaling up with quantu...

Quantum Physics

Implementation and Readout of Maximally Entangled Two-Qubit Gates Quantum Circuits in a Superconducting Quantum Processor

Viviana Stasino, P. Mastrovito, Carlo Cosenza +8 more·Mar 31, 2025

Besides noticeable challenges in implementing low-error single- and two-qubit quantum gates in superconducting quantum processors, the readout technique and analysis are a key factor in determining the efficiency and performance of quantum processors...

Physics

ObfusQate: Unveiling the First Quantum Program Obfuscation Framework

Nikhil Bartake, See Toh Zi Jie, Carmen Wong Jiawen +3 more·Mar 31, 2025

We introduce ObfusQate, a novel framework that performs software obfuscation using quantum primitives to enhance the security of both classical and quantum programs. ObfusQate implements eight obfuscation techniques categorized into quantum circuit-l...

Computer Science

Hypergraphic representation for adaptive quantum circuits

Waldemir Cambiucci, R. M. Silveira, W. Ruggiero·Mar 31, 2025

Adaptive quantum circuits enhance flexibility and efficiency over traditional static circuits by dynamically adjusting their structure and parameters in real-time based on intermediate measurement outcomes. This paper introduces a novel hypergraph re...

Physics

Preparing graph states forbidding a vertex-minor

James Davies, Andrew Jena·Mar 31, 2025

Measurement based quantum computing is preformed by adding non-Clifford measurements to a prepared stabilizer states. Entangling gates like CZ are likely to have lower fidelities due to the nature of interacting qubits, so when preparing a stabilizer...

Computer SciencePhysicsMathematics

Strain Effects in a Directly Bonded Diamond‐on‐Insulator Substrate

Ioannis Varveris, G. Aliberti, Tianyin Chen +6 more·Mar 31, 2025

The direct bonding process of a diamond‐on‐insulator (DOI) substrate enables monolithic integration of diamond photonic structures for quantum computing by improving photon collection efficiency and entanglement generation rate between emitters. It a...

Physics

Powering Quantum Computation with Quantum Batteries

Yaniv Kurman, Kieran Hymas, Arkady Fedorov +2 more·Mar 30, 2025

Executing quantum logic in cryogenic quantum computers requires a continuous energy supply from room-temperature control electronics. This dependence on external energy sources creates scalability limitations due to control channel density and heat d...

Quantum Physics

Circuit cutting with classical side information

C. Piveteau, Lukas Schmitt, David Sutter·Mar 28, 2025

Circuit cutting is a technique for simulating large quantum circuits by partitioning them into smaller subcircuits, which can be executed on smaller quantum devices. The results from these subcircuits are then combined in classical post-processing to...

Physics

Hacking quantum computers with row hammer attack

Fernando Almaguer-Angeles, Pedro R. Dieguez, Akshata Shenoy +1 more·Mar 27, 2025

We demonstrate a hardware vulnerability in quantum computing systems by exploiting cross-talk effects on an available commercial quantum computer (IBM). Specifically, based on the cross-talk produced by certain quantum gates, we implement a row hamme...

Physics

Adaptive Variational Quantum Kolmogorov-Arnold Network

Hikaru Wakaura, Rahmat Mulyawan, A. B. Suksmono·Mar 27, 2025

Kolmogorov-Arnold Network (KAN) is a novel multi-layer neuromorphic network. Many groups worldwide have studied this network, including image processing, time series analysis, solving physical problems, and practical applications such as medical use....

Physics

Quantum Max d-Cut via qudit swap operators

I. Klep, Tea vStrekelj, Jurij Volvcivc·Mar 26, 2025

Quantum Max Cut (QMC) problem for systems of qubits is an example of a 2-local Hamiltonian problem, and a prominent paradigm in computational complexity theory. This paper investigates the algebraic structure of a higher-dimensional analog of the QMC...

PhysicsMathematics

Digital quantum magnetism on a trapped-ion quantum computer

Reza Haghshenas, Eli Chertkov, Michael Mills +56 more·Mar 26, 2025

Digital quantum matter -- realized when discrete quantum gates approximate continuous time evolution -- is susceptible to heating into chaotic, structureless states. If digitization errors are adequately suppressed, a long-lived transient regime of a...

Quantum Physicscond-mat.str-el

Characterization of a quantum bus between two driven qubits

Alberto Hijano, Henri Lyyra, Juha T. Muhonen +1 more·Mar 24, 2025

We investigate the use of driven qubits coupled to a harmonic oscillator to implement a $\sqrt{i\mathrm{SWAP}}$-gate. By dressing the qubits through an external driving field, the qubits and the harmonic oscillator can be selectively coupled, allowin...

Quantum Physics
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