Quantum Brain

Papers

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

Total Papers

31,204

This Month

1,213

Today

0

Research Volume

15,368 papers in 12 months (-8% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

31,204 papers found

Quantum Power Electronics: From Theory to Implementation

M. Gheisarnejad, M. Khooban·Mar 8, 2023

While impressive progress has been already achieved in wide-bandgap (WBG) semiconductors such as 4H-SiC and GaN technologies, the lack of intelligent methodologies to control the gate drivers has prevented exploitation of the maximum potential of sem...

Computer ScienceEngineering

Pitfalls of the Sublinear QAOA-Based Factorization Algorithm

Sergey V. Grebnev, M. A. Gavreev, E. Kiktenko +3 more·Mar 8, 2023

Quantum computing devices are believed to be powerful in solving the prime factorization problem, which is at the heart of widely deployed public-key cryptographic tools. However, the implementation of Shor’s quantum factorization algorithm requires ...

Computer SciencePhysics

Indefinite causal key distribution

Hector Spencer-Wood·Mar 7, 2023

We propose a quantum key distribution (QKD) protocol that is carried out in an indefinite causal order (ICO). In QKD, one considers a setup in which two parties, Alice and Bob, share a key with one another in such a way that they can detect whether a...

Quantum Physics

Towards practical and massively parallel quantum computing emulation for quantum chemistry

Honghui Shang, Yi Fan, Limei Shen +5 more·Mar 7, 2023

Quantum computing is moving beyond its early stage and seeking for commercial applications in chemical and biomedical sciences. In the current noisy intermediate-scale quantum computing era, the quantum resource is too scarce to support these explora...

MedicinePhysics

Quantum Computing and the Riemann Hypothesis

M. McGuigan·Mar 7, 2023

Quantum computing is a promising new area of computing with quantum algorithms offering a potential speedup over classical algorithms if fault tolerant quantum computers can be built. One of the first applications of the classical computer was to the...

PhysicsMathematics

Design of an ultra-low mode volume piezo-optomechanical quantum transducer.

Piero Chiappina, J. Banker, S. Meesala +3 more·Mar 7, 2023

Coherent transduction of quantum states from the microwave to the optical domain can play a key role in quantum networking and distributed quantum computing. We present the design of a piezo-optomechanical device formed in a hybrid lithium niobate on...

MedicinePhysics

Noisy intermediate-scale quantum computers

Bin Cheng, Xiu-Hao Deng, X. Gu +18 more·Mar 7, 2023

Quantum computers have made extraordinary progress over the past decade, and significant milestones have been achieved along the path of pursuing universal fault-tolerant quantum computers. Quantum advantage, the tipping point heralding the quantum e...

Physics

Variational quantum state discriminator for supervised machine learning

Dongkeun Lee, Kyunghyun Baek, Joonsuk Huh +1 more·Mar 7, 2023

Quantum state discrimination (QSD) is a fundamental task in quantum information processing with numerous applications. We present a variational quantum algorithm that performs the minimum-error QSD, called the variational quantum state discriminator ...

Physics

Quantum-classical processing and benchmarking at the pulse-level

Lior Ella, L. Leandro, O. Wertheim +7 more·Mar 7, 2023

Towards the practical use of quantum computers in the NISQ era, as well as the realization of fault-tolerant quantum computers that utilize quantum error correction codes, pressing needs have emerged for the control hardware and software platforms. I...

Physics

Universal resources for quantum computing

Dongsheng Wang·Mar 7, 2023

Unravelling the source of quantum computing power has been a major goal in the field of quantum information science. In recent years, the quantum resource theory (QRT) has been established to characterize various quantum resources, yet their roles in...

PhysicsComputer Science

Quantum Computation via Multiport Quantum Fourier Optical Processors

Mohammad Rezai, J. Salehi·Mar 7, 2023

The light's image is the primary source of information carrier in nature. Indeed, a single photon's image possesses a vast information capacity that can be harnessed for quantum information processing. Our scheme for implementing quantum information ...

Physics

Blueprint for quantum computing using electrons on helium

E. Kawakami, Jiabao Chen, M. Benito +1 more·Mar 7, 2023

We present a blueprint for building a fault-tolerant quantum computer using the spin states of electrons on the surface of liquid helium. We propose to use ferromagnetic micropillars to trap single electrons on top of them and to generate a local mag...

Physics

Direct pulse-level compilation of arbitrary quantum logic gates on superconducting qutrits

Yu-Hung Cho, K. Beck, A. Castelli +4 more·Mar 7, 2023

Advanced simulations and calculations on quantum computers require high-fidelity implementations of quantum operations. The universal gateset approach builds complex unitaries from a small set of primitive gates, often resulting in a long gate sequen...

Physics

Monolithic Platform for Integrated Quantum Photonics with Hexagonal Boron Nitride

Milad Nonahal, Chi Li, H. Ren +4 more·Mar 6, 2023

Integrated quantum photonics (IQP) provides a path to practical, scalable quantum computation, communications and information processing. Realization of an IQP platform requires integration of quantum emitters with high quality photonic circuits. How...

Physics

Photonic quantum computing with probabilistic single photon sources but without coherent switches

T. Rudolph·Mar 6, 2023

We present photonic quantum computing architectures that can deal with both probabilistic (heralded) generation of single photons and probabilistic gates without making use of coherent switching. The only required dynamical element is the controllabl...

Physics

Feedback-based quantum algorithms for ground state preparation

James B. Larsen, Matthew D. Grace, A. Baczewski +1 more·Mar 6, 2023

The ground state properties of quantum many-body systems are a subject of interest across chemistry, materials science, and physics. Thus, algorithms for finding ground states can have broad impacts. Variational quantum algorithms are one class of gr...

Physics

Deterministic generation of shaped single microwave photons using a parametrically driven coupler

Jiaying Yang, A. Eriksson, M. Aamir +5 more·Mar 6, 2023

A distributed quantum computing system requires a quantum communication channel between spatially separated processing units. In superconducting circuits, such a channel can be realized by using propagating microwave photons to encode and transfer qu...

Physics

Quantum Algorithm for the Linear Vlasov Equation with Collisions

Abtin Ameri, Erika Ye, P. Cappellaro +2 more·Mar 6, 2023

The Vlasov equation is a nonlinear partial differential equation that provides a first-principles description of the dynamics of plasmas. Its linear limit is routinely used in plasma physics to investigate plasma oscillations and stability. In this p...

PhysicsComputer Science

Quantum Circuit Completeness: Extensions and Simplifications

A. Cl'ement, Noé Delorme, S. Perdrix +1 more·Mar 6, 2023

Although quantum circuits have been ubiquitous for decades in quantum computing, the first complete equational theory for quantum circuits has only recently been introduced. Completeness guarantees that any true equation on quantum circuits can be de...

Computer SciencePhysics

Dynamically Reconfigurable Photon Exchange in a Superconducting Quantum Processor

Brett Marinelli, Jie Luo, H. Ren +6 more·Mar 6, 2023

Realizing the advantages of quantum computation requires access to the full Hilbert space of states of many quantum bits (qubits). Thus, large-scale quantum computation faces the challenge of efficiently generating entanglement between many qubits. I...

Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.