Quantum Brain

Papers

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

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27,086

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12,599 papers in 12 months (-14% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

4,028 papers found

Fast, high-fidelity Transmon readout with intrinsic Purcell protection via nonperturbative cross-Kerr coupling

Guillaume Beaulieu, Jun-Zhe Chen, Marco Scigliuzzo +5 more·Jan 8, 2026

Dispersive readout of superconducting qubits relies on a transverse capacitive coupling that hybridizes the qubit with the readout resonator, subjecting the qubit to Purcell decay and measurement-induced state transitions (MIST). Despite the widespre...

Quantum Physics

Unconditionally teleported quantum gates between remote solid-state qubit registers

Mariagrazia Iuliano, Nicolas Demetriou, H. Benjamin van Ommen +3 more·Jan 8, 2026

Quantum networks connecting quantum processing nodes via photonic links enable distributed and modular quantum computation. In this framework, quantum gates between remote qubits can be realized using quantum teleportation protocols. The essential re...

Quantum Physics

Noise tailoring for error mitigation and for diagnozing digital quantum computers

Thibault Scoquart, Hugo Perrin, Kyrylo Snizhko·Jan 8, 2026

Error mitigation (EM) methods are crucial for obtaining reliable results in the realm of noisy intermediate-scale quantum (NISQ) computers, where noise significantly impacts output accuracy. Some EM protocols are particularly efficient for specific t...

Quantum Physicscond-mat.supr-con

SurgeQ: A Hybrid Framework for Ultra-Fast Quantum Processor Design and Crosstalk-Aware Circuit Execution

Xinxuan Chen, Hongxiang Zhu, Zhaohui Yang +4 more·Jan 8, 2026

Executing quantum circuits on superconducting platforms requires balancing the trade-off between gate errors and crosstalk. To address this, we introduce SurgeQ, a hardware-software co-design strategy consisting of a design phase and an execution pha...

Quantum Physics

Implementation of Tensor Network Simulation TN-Sim under NWQ-Sim

Aaron C. Hoyt, Jonathan S. Bersson, Sean Garner +2 more·Jan 7, 2026

Large-scale tensor network simulations are crucial for developing robust complexity-theoretic bounds on classical quantum simulation, enabling circuit cutting approaches, and optimizing circuit compilation, all of which aid efficient quantum computat...

Quantum Physics

Transmutation based Quantum Simulation for Non-unitary Dynamics

Shi Jin, Chuwen Ma, Enrique Zuazua·Jan 7, 2026

We present a quantum algorithm for simulating dissipative diffusion dynamics generated by positive semidefinite operators of the form $A=L^\dagger L$, a structure that arises naturally in standard discretizations of elliptic operators. Our main tool ...

Quantum Physics

$\mathsf{QAC}^0$ Contains $\mathsf{TC}^0$ (with Many Copies of the Input)

Daniel Grier, Jackson Morris, Kewen Wu·Jan 6, 2026

$\mathsf{QAC}^0$ is the class of constant-depth polynomial-size quantum circuits constructed from arbitrary single-qubit gates and generalized Toffoli gates. It is arguably the smallest natural class of constant-depth quantum computation which has no...

ComplexityQuantum Physics

Quantum-enhanced long short-term memory with attention for spatial permeability prediction in oilfield reservoirs

Muzhen Zhang, Yujie Cheng, Zhanxiang Lei·Jan 6, 2026

Spatial prediction of reservoir parameters, especially permeability, is crucial for oil and gas exploration and development. However, the wide range and high variability of permeability prevent existing methods from providing reliable predictions. Fo...

AIQuantum Physics

Minimization of AND-XOR Expressions with Decoders for Quantum Circuits

Sonia Yang, Ali Al-Bayaty, Marek Perkowski·Jan 5, 2026

This paper introduces a new logic structure for reversible quantum circuit synthesis. Our synthesis method aims to minimize the quantum cost of reversible quantum circuits with decoders. In this method, multi-valued input, binary output (MVI) functio...

Quantum Physics

Quantum AI for Cybersecurity: A hybrid Quantum-Classical models for attack path analysis

Jessica A. Sciammarelli, Waqas Ahmed·Jan 5, 2026

Modern cyberattacks are increasingly complex, posing significant challenges to classical machine learning methods, particularly when labeled data is limited and feature interactions are highly non-linear. In this study we investigates the potential o...

CryptographyQuantum Physics

Enhancing Object Detection with Privileged Information: A Model-Agnostic Teacher-Student Approach

Matthias Bartolo, Dylan Seychell, Gabriel Hili +4 more·Jan 5, 2026

This paper investigates the integration of the Learning Using Privileged Information (LUPI) paradigm in object detection to exploit fine-grained, descriptive information available during training but not at inference. We introduce a general, model-ag...

cs.CVAIEmerging Techcs.LG

Parallel Quantum Gates via Scalable Subsystem-Optimized Robust Control

Xiaodong Yang, Ran Liu, Jun Li·Jan 5, 2026

Accurate and efficient implementation of parallel quantum gates is crucial for scalable quantum information processing. However, the unavoidable crosstalk between qubits in current noisy processors impedes the achievement of high gate fidelities and ...

Quantum Physics

Global Parametric Gates for Multi-qubit Entanglement

Jize Yang, Lin Guo, Haonan Xiong +8 more·Jan 5, 2026

We propose and experimentally demonstrate a global parametric gate that generates multi-qubit entangled states in a single step. By applying a parametric drive to a common qubit at precise detunings relative to computational qubits, we directly produ...

Quantum Physics

Photon blockade effect from synergistic optical parametric amplification and driving force in Kerr-medium single-mode cavity

Zhang Zhiqiang·Jan 5, 2026

This work investigates photon blockade control in a hybrid quantum system containing a Kerr-nonlinear cavity coupled to an optical parametric amplifier (OPA). The dynamics are governed by a master equation derived from an effective Hamiltonian that i...

Quantum Physicsphysics.optics

Robust and fragile quantum effects in the transfer kinetics of delocalized excitons between B850 units of LH2 complexes

Seogjoo J. Jang·Jan 5, 2026

Aggregates of light harvesting 2 (LH2) complexes form the major exciton-relaying domain in the photosynthetic unit of purple bacteria. Application of a generalized master equation to pairs of the B850 units of LH2 complexes, where excitons predominan...

physics.chem-phphysics.bio-phQuantum Physics

Two-Qubit Module Based on Phonon-Coupled Ge Hole-Spin Qubits: Design, Fabrication, and Readout at 1-4 K

D. -M. Mei, S. A. Panamaldeniya, K. -M. Dong +2 more·Jan 5, 2026

We present a device-level design for a two-qubit module based on phonon-coupled germanium (Ge) hole-spin qubits operating at $1$-$4~\mathrm{K}$. Building on prior work on phonon-engineered Ge qubits and phononic-crystal (PnC) cavities, we specify a l...

Mesoscale Physicsphysics.app-phQuantum Physics

Overcoming Stark-Shift Constraints in Phase-Controlled Rydberg Two-Qubit Gates

Ignacio R. Sola, Sebastian C. Carrasco, Vladimir S. Malinovsky +2 more·Jan 4, 2026

Stark shifts introduce additional phases that constrain the set of entangling gates that can be prepared via two-photon transitions in the strong Rydberg blockade limit. For non-independently addressed qubits, by controlling the absolute phases and t...

Quantum Physics

Constraint-Aware Quantum Optimization via Hamming Weight Operators

Yajie Hao, Qiming Ding, Xiao Yuan +1 more·Jan 4, 2026

Constrained combinatorial optimization with strict linear constraints underpins applications in drug discovery, power grids, logistics, and finance, yet remains computationally demanding for classical algorithms, especially at large scales. The Quant...

Quantum Physics

Benchmarking Quantum Data Center Architectures: A Performance and Scalability Perspective

Shahrooz Pouryousef, Eneet Kaur, Hassan Shapourian +3 more·Jan 4, 2026

Scalable distributed quantum computing (DQC) has motivated the design of multiple quantum data-center (QDC) architectures that overcome the limitations of single quantum processors through modular interconnection. While these architectures adopt fund...

Quantum Physicscs.DCcs.NIcs.PF

Quantum optimisation applied to the Quadratic Assignment Problem

Andrew Freeland, Jingbo Wang·Jan 3, 2026

This paper investigates the performance of the emerging non-variational Quantum Walk-based Optimisation Algorithm (NV-QWOA) for solving small instances of the Quadratic Assignment Problem (QAP). NV-QWOA is benchmarked against classical heuristics, th...

Quantum Physics
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