Quantum Brain

Papers

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

Total Papers

28,250

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22

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0

Research Volume

13,405 papers in 12 months (-22% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

5,284 papers found

Quantum Machine Learning in the Cognitive Domain: Alzheimer's Disease Study

Emine Akpinar·Sep 15, 2023

Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder, primarily affecting the elderly population and leading to significant cognitive decline. This decline manifests in various mental faculties such as attention, memory, and high...

Computer SciencePhysics

Benchmarking machine learning models for quantum state classification

Edoardo Pedicillo, Andrea Pasquale, S. Carrazza·Sep 14, 2023

Quantum computing is a growing field where the information is processed by two-levels quantum states known as qubits. Current physical realizations of qubits require a careful calibration, composed by different experiments, due to noise and decoheren...

PhysicsComputer Science

Entanglement of Sections: The pushout of entangled and parameterized quantum information

Hisham Sati, Urs Schreiber·Sep 13, 2023

A question raised by Freedman & Hastings (2023) still stands: To produce a mathematical theory that would unify quantum entanglement/tensor-structure with parameterized/bundle-structure via their amalgamation (a hypothetical pushout) along bare quant...

Quantum PhysicsMathematical Physicsmath.ATmath.CT

Near-term distributed quantum computation using mean-field corrections and auxiliary qubits

A. Gomez, T. Patti, Anima Anandkumar +1 more·Sep 11, 2023

Distributed quantum computation is often proposed to increase the scalability of quantum hardware, as it reduces cooperative noise and requisite connectivity by sharing quantum information between distant quantum devices. However, such exchange of qu...

Physics

Detecting Violations of Differential Privacy for Quantum Algorithms

J. Guan, Wang Fang, Mingyu Huang +1 more·Sep 9, 2023

Quantum algorithms for solving a wide range of practical problems have been proposed in the last ten years, such as data search and analysis, product recommendation, and credit scoring. The concern about privacy and other ethical issues in quantum co...

Computer SciencePhysics

Physics-informed neural networks for an optimal counterdiabatic quantum computation

Antonio Ferrer-S'anchez, Carlos Flores-Garrigos, C. Hernani-Morales +7 more·Sep 8, 2023

A novel methodology that leverages physics-informed neural networks to optimize quantum circuits in systems with NQ qubits by addressing the counterdiabatic (CD) protocol is introduced. The primary purpose is to employ physics-inspired deep learning ...

PhysicsComputer Science

Quantum Graph-State Synthesis with SAT

Sebastiaan Brand, T. Coopmans, A. Laarman·Sep 7, 2023

In quantum computing and quantum information processing, graph states are a specific type of quantum states which are commonly used in quantum networking and quantum error correction. A recurring problem is finding a transformation from a given sourc...

Computer SciencePhysics

Quantum Cellular Automata for Quantum Error Correction and Density Classification.

Thiago L. M. Guedes, Don Winter, Markus Muller·Sep 7, 2023

Quantum cellular automata are alternative quantum-computing paradigms to quantum Turing machines and quantum circuits. Their working mechanisms are inherently automated, therefore measurement free, and they act in a translation invariant manner on al...

MedicinePhysics

Accurate hyperfine tensors for solid state quantum applications: case of the NV center in diamond

Istv'an Tak'acs, Viktor Iv'ady·Sep 7, 2023

The decoherence of point defect qubits is often governed by the electron spin-nuclear spin hyperfine interaction that can be parameterized by using ab inito calculations in principle. So far most of the theoretical works have focused on the hyperfine...

Physics

Logical states for fault-tolerant quantum computation with propagating light

Shunya Konno, W. Asavanant, F. Hanamura +14 more·Sep 5, 2023

To harness the potential of a quantum computer, quantum information must be protected against error by encoding it into a logical state that is suitable for quantum error correction. The Gottesman-Kitaev-Preskill (GKP) qubit is a promising candidate ...

MedicinePhysics

Page Time as a Transition of Information Channels: High-fidelity Information Retrieval for Radiating Black Holes

Ran Li, Xuanhua Wang, Kun Zhang +1 more·Sep 5, 2023

The effective field theory description of a radiating black hole introduces redundant degrees of freedom that necessitate annihilation of those modes at late stages to conserve entropy. The prevailing view is that such effective process can result in...

Physics

Qutrit circuits and algebraic relations: A pathway to efficient spin-1 Hamiltonian simulation

Oluwadara Ogunkoya, Joo-Von Kim, Bo Peng +2 more·Sep 1, 2023

Quantum information processing has witnessed significant advancements through the application of qubit-based techniques within universal gate sets. Recently, exploration beyond the qubit paradigm to $d$-dimensional quantum units or qudits has opened ...

PhysicsMathematics

High-Precision Observable Estimation with Single Qubit Quantum Memory

L. A. Markovich, J. Borregaard·Aug 31, 2023

The estimation of multi-qubit observables is a key task in quantum information science. The standard approach is to decompose a multi-qubit observable into a weighted sum of Pauli strings. The observable can then be estimated from projective single q...

Physics

HiSEP-Q: A Highly Scalable and Efficient Quantum Control Processor for Superconducting Qubits

Xiaorang Guo, Kun Qin, Martin Schulz·Aug 31, 2023

Quantum computing promises an effective way to solve targeted problems that are classically intractable. Among them, quantum computers built with superconducting qubits are considered one of the most advanced technologies, but they suffer from short ...

Computer Science

Efficient Approximation of Quantum Channel Fidelity Exploiting Symmetry

Yeow Meng Chee, Hoang Ta, Van Khu Vu·Aug 30, 2023

Determining the optimal fidelity for the transmission of quantum information over noisy quantum channels is one of the central problems in quantum information theory. Recently, [Berta-Borderi-Fawzi-Scholz, Mathematical Programming, 2021] introduced a...

Quantum PhysicsData Structurescs.IT

Bounds on Autonomous Quantum Error Correction

O. Shtanko, Yu-Jie Liu, S. Lieu +2 more·Aug 30, 2023

Autonomous quantum memories are a way to passively protect quantum information using engineered dissipation that creates an “always-on'' decoder. We analyze Markovian autonomous decoders that can be implemented with a wide range of qubit and bosonic ...

PhysicsComputer Science

Probing Quantum Telecloning on Superconducting Quantum Processors

Elijah Pelofske, Andreas Bärtschi, S. Eidenbenz +2 more·Aug 29, 2023

Quantum information cannot be perfectly cloned, but approximate copies of quantum information can be generated. Quantum telecloning combines approximate quantum cloning, more typically referred to as quantum cloning, and quantum teleportation. Quantu...

PhysicsComputer Science

Universal control of a bosonic mode via drive-activated native cubic interactions

A. Eriksson, Th'eo S'epulcre, Mikael Kervinen +9 more·Aug 29, 2023

Linear bosonic modes offer a hardware-efficient alternative for quantum information processing but require access to some nonlinearity for universal control. The lack of nonlinearity in photonics has led to encoded measurement-based quantum computing...

PhysicsMedicine

High-fidelity transmon coupler activated CCZ gate on fluxonium qubits

I. A. Simakov, G. S. Mazhorin, I. N. Moskalenko +2 more·Aug 29, 2023

The Toffoli gate takes a special place in the quantum information theory. It opens up a path for efficient implementation of complex quantum algorithms. Despite tremendous progress of the quantum processors based on the superconducting qubits, realiz...

Physics

Universal quantum computation using atoms in cross-cavity systems

Luiz O. R. Solak, D. Z. Rossatto, C. Villas-Bôas·Aug 28, 2023

Quantum gates are the building blocks of quantum circuits, which in turn are the cornerstones of quantum information processing. In this work, we theoretically investigate a single-step implementation of both a universal two- (CNOT) and three-qubit (...

Physics
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