Quantum Brain

Papers

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

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13,145 papers in 12 months (+1% vs prior quarter)

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

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6,169 papers found

EmuPlat: A Framework-Agnostic Platform for Quantum Hardware Emulation with Validated Transpiler-to-Pulse Pipeline

Jun Ye, Jun Yong Khoo·Sep 16, 2025

We present EmuPlat, a framework-agnostic quantum hardware emulation platform that addresses the interoperability gap between high-level quantum programming frameworks and hardware-specific pulse control systems. Unlike existing solutions that operate...

Quantum Physics

Cavity-Modified Nonequilibrium Fermi's Golden Rule Rate Coefficients from Cavity-Free Inputs

Pouya Khazaei, Eitan Geva·Sep 16, 2025

The Nonequilibrium Fermi's Golden Rule (NE-FGR) provides a convenient theoretical framework for calculating the charge transfer rate between a photoexcited bright donor electronic state and a dark acceptor electronic state, when the nuclear degrees o...

Quantum Physics

Exploiting Timing Side-Channels in Quantum Circuits Simulation Via ML-Based Methods

Ben Dong, Hui Feng, Qian Wang·Sep 16, 2025

As quantum computing advances, quantum circuit simulators serve as critical tools to bridge the current gap caused by limited quantum hardware availability. These simulators are typically deployed on cloud platforms, where users submit proprietary ci...

Computer Science

Integrated Software/Hardware Execution Models for High-Accuracy Methods in Chemistry

Nicholas Bauman, Ajay Panyala, Libor Veis +7 more·Sep 15, 2025

The effective deployment and application of advanced methodologies for quantum chemistry is inherently linked to the optimal usage of emerging and highly diversified computational resources. This paper examines the synergistic utilization of Micron m...

physics.comp-phphysics.chem-phQuantum Physics

Efficient Entanglement Purification Circuit Design for Dual-Species Atom Arrays

Bikun Li, Daniel Dilley, Alvin Gonzales +6 more·Sep 15, 2025

Entanglement purification protocols (EPPs) are essential for generating high-fidelity entangled states in noisy quantum systems, enabling robust quantum networking and computation. Building on the circuit of the foundational recurrence protocol, we g...

Quantum Physics

Entanglement and optimization within autoregressive neural quantum states

Andrew Jreissaty, Hang Zhang, Jairo C. Quijano +2 more·Sep 15, 2025

Neural quantum states (NQSs) are powerful variational ansätze capable of representing highly entangled quantum many-body wavefunctions. While the average entanglement properties of ensembles of restricted Boltzmann machines are well understood, the e...

Quantum Physicscond-mat.dis-nn

From hidden order to skyrmions: Quantum Hall states in an extended Hofstadter-Fermi-Hubbard model

Fabian J. Pauw, Ulrich Schollwöck, Nathan Goldman +2 more·Sep 15, 2025

The interplay between topology and strong interactions gives rise to a variety of exotic quantum phases, including fractional quantum Hall (FQH) states and their lattice analogs - fractional Chern insulators (FCIs). Such topologically ordered states ...

cond-mat.quant-gasMesoscale Physicscond-mat.str-elQuantum Physics

Optimizing Quantum Photonic Integrated Circuits using Differentiable Tensor Networks

Mathias Van Regemortel, Thomas Van Vaerenbergh·Sep 15, 2025

Recent reports of large photonic nonlinearities in integrated photonic devices, using the strong excitonic light-matter coupling in semiconductors, necessitate a tailored design framework for quantum processing in the limit of low photon occupation. ...

Quantum Physics

Strong antibunching photons/photon pairs emission in two atoms cavity QED system with the Van der Waals interaction

Zhouyang Yu, Jinping Xu, Chengjie Zhu +2 more·Sep 15, 2025

Weinvestigate the generation of antibunching photons and photon pairs in a two-atom cavity QED system leveraging interatomic van der Waals (vdW) interaction. We show that the vdW interaction shifts the two-atom excited state, enabling the suppression...

Quantum Physics

Observation of quantum-field-theory dynamics on a spin-phonon quantum computer

Anton T. Than, Saurabh V. Kadam, Vinay Vikramaditya +5 more·Sep 14, 2025

Simulating out-of-equilibrium dynamics of quantum field theories in nature is challenging with classical methods, but is a promising application for quantum computers. Unfortunately, simulating interacting bosonic fields involves a high boson-to-qubi...

Quantum Physicscond-mat.quant-gashep-lathep-ph

Quantum hierarchical Fokker-Planck equations with U(1) gauge fields: Application to the Aharonov-Bohm ring

Hyeonseok Yang, Shoki Koyanagi, Yoshitaka Tanimura·Sep 14, 2025

We investigate a three-dimensional subsystem under a time-dependent U(1) gauge field coupled to rotationally invariant environments. To capture the dynamic behavior of the subsystem under thermal excitations and dissipations, it is imperative to trea...

Quantum PhysicsMesoscale Physicscond-mat.stat-mech

Pulse-to-Circuit Characterization of Stealthy Crosstalk Attack on Multi-Tenant Superconducting Quantum Hardware

Syed Emad Uddin Shubha, Tasnuva Farheen·Sep 14, 2025

Hardware crosstalk in multi-tenant superconducting quantum computers constitutes a significant security threat, enabling adversaries to inject targeted errors across tenant boundaries. We present the first end-to-end framework for mapping physical pu...

Quantum PhysicsCryptography

Multi-Partitioned Meshfree Quantum Finite Particle Method: A Hybrid Quantum Framework for Fluid Flow

Yudong Li, Wenkui Shi, Yan Li +5 more·Sep 14, 2025

This study established a quantum-classical hybrid framework that integrates quantum computing paradigm with meshfree finite particle method. By harnessing quantum superposition and entanglement, it hybridized the critical computational kernels (terme...

physics.flu-dynQuantum Physics

The Emergence of Objective Classicality: A Computational First-Principles Study of Observer-Induced Decoherence in Unitary Quantum Mechanics

Eyad I. B Hamid·Sep 14, 2025

The quantum measurement problem, the unresolved conflict between the unitary evolution of the wave function and the postulate of wave function collapse, remains the most profound conceptual challenge in quantum foundations. While environment-induced ...

Quantum Physics

Quantum Hierarchical Fokker-Planck Equations with U(1) Gauge Fields (U(1)-QHFPE): A Computational Framework for Aharonov-Bohm Effects

Shoki Koyanagi, Hyeonseok Yang, Yoshitaka Tanimura·Sep 14, 2025

We introduce U(1)-QHFPE, a non-Markovian and non-perturbative open quantum dynamics software package for solving quantum Fokker-Planck equations incorporating gauge fields within the Hierarchical Equations of Motion (HEOM) formalism. The framework ri...

Quantum Physics

Erasing Classical Memory with Quantum Fluctuations: Shannon Information Entropy of Reverse Quantum Annealing

Elijah Pelofske, C. Nisoli·Sep 13, 2025

Quantum annealers can provide non-local optimization by tunneling between states in a process that ideally eliminates memory of the initial configuration. We study the crossover between memory loss and retention due to quantum fluctuations, in a tran...

Computer SciencePhysicsMathematics

Design and Optimization of Spin Dynamics in Ge Quantum Dots: g-Factor Modulation, Geometry-Induced Dephasing Sweet Spots, and Phonon-Induced Relaxation

Ngoc Duong, Daryoosh Vashaee·Sep 12, 2025

Gate geometry and bias asymmetry can be used to engineer spin dynamics in gate-defined Ge hole quantum dots by reshaping the confinement potential and driving transitions between distinct confinement regimes. In this work, we show that these transiti...

Mesoscale PhysicsQuantum Physics

Quantum algorithms based on quantum trajectories

Evan Borras, Milad Marvian·Sep 12, 2025

Quantum simulation has emerged as a key application of quantum computing, with significant progress made in algorithms for simulating both closed and open quantum systems. The simulation of open quantum systems, particularly those governed by the Lin...

Quantum Physics

Boosting Sparsity in Graph Decompositions with QAOA Sampling

George Pennington, Naeimeh Mohseni, Oscar Wallis +5 more·Sep 12, 2025

We study the problem of decomposing a graph into a weighted sum of a small number of matchings, a task that arises in network resource allocation problems such as peer-to-peer energy exchange. Computing such decompositions is challenging for classica...

Physics

Fluctuation-guided adaptive random compiler for Hamiltonian simulation

Yu-Xia Wu, Yun-Zhuo Fan, Dan-Bo Zhang·Sep 12, 2025

Stochastic methods offer an effective way to suppress coherent errors in quantum simulation. In particular, the randomized compilation protocol may reduce circuit depth by randomly sampling Hamiltonian terms rather than following the deterministic Tr...

Physics
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