Quantum Brain

Papers

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

Total Papers

28,402

This Month

150

Today

0

Research Volume

13,524 papers in 12 months (-19% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,268 papers found

Exploring Unsupervised Anomaly Detection with Quantum Boltzmann Machines in Fraud Detection

Jonas Stein, Daniëlle Schuman, Magdalena Benkard +7 more·Jun 8, 2023

Anomaly detection in Endpoint Detection and Response (EDR) is a critical task in cybersecurity programs of large companies. With rapidly growing amounts of data and the omnipresence of zero-day attacks, manual and rule-based detection techniques are ...

PhysicsComputer Science

Hybrid Logical-Physical Qubit Interaction as a Post Selection Oracle

Nadav Carmel, N. Katz·Jun 8, 2023

We demonstrate a property of the quantum 5-qubit stabilizer code that enables the interaction between qubits of different logical layers, and conduct a full density-matrix simulation of an interaction between a logical and a physical qubit. We use th...

Physics

Line-graph qubit routing: from kagome to heavy-hex and more

Joris Kattemolle, S. Hariharan·Jun 8, 2023

Quantum computers have the potential to outperform classical computers, but are currently limited in their capabilities. One such limitation is the restricted connectivity between qubits, as captured by the hardware's coupling graph. This limitation ...

Physics

Benchmarking Quantum Surrogate Models on Scarce and Noisy Data

Jonas Stein, Michael Poppel, P. Adamczyk +9 more·Jun 8, 2023

Surrogate models are ubiquitously used in industry and academia to efficiently approximate given black box functions. As state-of-the-art methods from classical machine learning frequently struggle to solve this problem accurately for the often scarc...

Computer SciencePhysics

Error mitigation of BQP computations using measurement-based verification

J. Harris, E. Kashefi·Jun 7, 2023

We present a modular error mitigation protocol for running bounded-error quantum polynomial time (BQP) computations on a quantum computer with time-dependent noise. Utilizing existing tools from quantum verification and measurement-based quantum comp...

Physics

Universal robust geometric quantum control via geometric trajectory correction

Tao Chen, Jia-qi Hu, Chengxian Zhang +1 more·Jun 6, 2023

Universal robust quantum control is essential for performing complex quantum algorithms and efficient quantum error correction protocols. Geometric phase, as a key element with intrinsic fault-tolerant feature, can be well integrated into quantum con...

Physics

Effects of Markovian noise and cavity disorders on the entanglement dynamics of double Jaynes-Cummings models

H. Rathee, Kishore Thapliyal, Anirban Pathak·Jun 6, 2023

The ability to prepare and manipulate non-classical states, such as entangled qubits, is fundamental to the development of quantum information processing, communication, and computation. In this work, we investigate the dynamics of a double Jaynes-Cu...

Physics

Limitations of Noisy Quantum Devices in Computational and Entangling Power

Yuxuan Yan, Zhenyu Du, Junjie Chen +1 more·Jun 5, 2023

Finding solid and practical quantum advantages via noisy quantum devices without error correction is a critical but challenging problem. Conversely, comprehending the fundamental limitations of the state-of-the-art is equally crucial. In this work, w...

Quantum Physics

Systems Architecture for Quantum Random Access Memory

Shifan Xu, Connor T. Hann, Ben Foxman +2 more·Jun 5, 2023

Operating on the principles of quantum mechanics, quantum algorithms hold the promise for solving problems that are beyond the reach of the best-available classical algorithms. An integral part of realizing such speedup is the implementation of quant...

Computer SciencePhysics

Robust and scalable rf spectroscopy in first-order magnetic sensitive states at second-long coherence time

C. -H. Yeh, K. C. Grensemann, L. S. Dreissen +2 more·Jun 2, 2023

Trapped-ion quantum sensors have become highly sensitive tools for the search of physics beyond the Standard Model. Recently, stringent tests of local Lorentz-invariance (LLI) have been conducted with precision spectroscopy in trapped ions. We here e...

Atomic PhysicsQuantum Physics

Generating and processing optical waveforms using spectral singularities

Asaf Farhi, A. Cerjan, A. Stone·Jun 2, 2023

We show that a laser at threshold can be utilized to generate the class of coherent and transform-limited waveforms $\left(vt-z\right)^{m}e^{i\left(kz-\omega t\right)}$ at optical frequencies.We derive these properties analytically and demonstrate th...

Physics

Validating an algebraic approach to characterizing resonator networks

V. R. Horowitz, B. Carter, Uriel Hernandez +2 more·Jun 2, 2023

Resonator networks are ubiquitous in natural and engineered systems, such as solid-state materials, electrical circuits, quantum processors, and even neural tissue. To understand and manipulate these networks it is essential to characterize their bui...

MedicinePhysics

Aging and reliability of quantum networks

Lisa T. Weinbrenner, Lina Vandré, T. Coopmans +1 more·May 31, 2023

Quantum information science may lead to technological breakthroughs in computing, cryptography and sensing. For the implementation of these tasks, however, complex devices with many components are needed and the quantum advantage may easily be spoile...

Physics

Scalable evaluation of incoherent infidelity in quantum devices

Jader P. Santos, Ivan Henao, R. Uzdin·May 30, 2023

Quantum processors can already execute tasks beyond the reach of classical simulation, albeit for artificial problems. At this point, it is essential to design error metrics that test the experimental accuracy of quantum algorithms with potential for...

Physics

Quadratic scaling bosonic path integral molecular dynamics.

Yotam M. Y. Feldman, Barak Hirshberg·May 29, 2023

Bosonic exchange symmetry leads to fascinating quantum phenomena, from exciton condensation in quantum materials to the superfluidity of liquid 4He. Unfortunately, path integral molecular dynamics (PIMD) simulations of bosons are computationally proh...

PhysicsMedicine

Simulating Quantum Computation: How Many “Bits” for “It”?

Michael Zurel, C. Okay, R. Raussendorf·May 26, 2023

A recently introduced classical simulation method for universal quantum computation with magic states operates by repeated sampling from probability functions [M. Zurel PRL 260404 (2020)]. This method is closely related to sampling algorithms based o...

Physics

Data-driven quantum dynamical embedding method for long-term prediction on near-term quantum computers

Tai-ping Sun, Zhao-Yun Chen, Cheng Xue +7 more·May 25, 2023

The increasing focus on long-term time series prediction across various fields has been significantly strengthened by advancements in quantum computation. In this paper, we introduce a data-driven method designed for time series prediction with quant...

Physics

Extending the computational reach of a superconducting qutrit processor

Noah Goss, Samuele Ferracin, A. Hashim +5 more·May 25, 2023

Quantum computing with qudits is an emerging approach that exploits a larger, more connected computational space, providing advantages for many applications, including quantum simulation and quantum error correction. Nonetheless, qudits are typically...

Physics

On sampling determinantal and Pfaffian point processes on a quantum computer

R. Bardenet, Michaël Fanuel, A. Feller·May 25, 2023

DPPs were introduced by Macchi as a model in quantum optics the 1970s. Since then, they have been widely used as models and subsampling tools in statistics and computer science. Most applications require sampling from a DPP, and given their quantum o...

Computer SciencePhysicsMathematics

Quantum Turnstiles for Robust Measurement of Full Counting Statistics.

R. Samajdar, Ewan McCulloch, V. Khemani +2 more·May 24, 2023

We present a scalable protocol for measuring full counting statistics (FCS) in experiments or tensor-network simulations. In this method, an ancilla in the middle of the system acts as a turnstile, with its phase keeping track of the time-integrated ...

MedicinePhysics
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