Quantum Brain

Papers

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

Total Papers

28,402

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150

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0

Research Volume

13,527 papers in 12 months (-19% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

5,311 papers found

Adversarial guesswork with quantum side information

Baasanchimed Avirmed, Kaito Niinomi, M. Dall’Arno·Jun 22, 2023

The guesswork of a classical-quantum channel quantifies the cost incurred in guessing the state transmitted by the channel when only one state can be queried at a time, maximized over any classical pre-processing and minimized over any quantum post-p...

Computer SciencePhysicsMathematics

Efficient quantum image representation and compression circuit using zero-discarded state preparation approach

Md. Ershadul Haque, M. Paul, A. Ulhaq +1 more·Jun 22, 2023

Quantum image computing draws a lot of attention due to storing and processing image data faster than classical. With increasing the image size, the number of connections also increases, leading to the circuit complex. Therefore, efficient quantum im...

Computer SciencePhysics

Hunting for Majoranas

A. Yazdani, F. von Oppen, B. Halperin +1 more·Jun 21, 2023

Over the past decade, there have been considerable efforts to observe non-abelian quasiparticles in novel quantum materials and devices. These efforts are motivated by the goals of demonstrating quantum statistics of quasiparticles beyond those of fe...

PhysicsMedicine

Entanglement Distribution in Satellite-Based Dynamic Quantum Networks

Alena Chang, Yinxin Wan, G. Xue +1 more·Jun 15, 2023

Low Earth Orbit (LEO) satellites present a compelling opportunity for the establishment of a global quantum information network. However, satellite-based entanglement distribution from a networking perspective has not been fully investigated. Existin...

Computer SciencePhysics

Construction of Antisymmetric Variational Quantum States with Real Space Representation.

Takahiro Horiba, Soichi Shirai, H. Hirai·Jun 14, 2023

Electronic state calculations using quantum computers are mostly based on the second quantized formulation, which is suitable for qubit representation. Another way to describe electronic states on a quantum computer is based on the first quantized fo...

MedicinePhysics

Information compression via hidden subgroup quantum autoencoders

Feiyang Liu, Ka Bian, Fei Meng +2 more·Jun 13, 2023

We design a quantum method for classical information compression that exploits the hidden subgroup quantum algorithm. We consider sequence data in a database with a priori unknown symmetries of the hidden subgroup type. We prove that data with a give...

Physics

Navigating the 16-dimensional Hilbert space of a high-spin donor qudit with electric and magnetic fields

Irene Fernández de Fuentes, T. Botzem, M. A. Johnson +11 more·Jun 12, 2023

Efficient scaling and flexible control are key aspects of useful quantum computing hardware. Spins in semiconductors combine quantum information processing with electrons, holes or nuclei, control with electric or magnetic fields, and scalable coupli...

MedicinePhysics

Tunable quantum emitters on large-scale foundry silicon photonics

Hugo Larocque, M. A. Buyukkaya, C. Errando-Herranz +11 more·Jun 10, 2023

Controlling large-scale many-body quantum systems at the level of single photons and single atomic systems is a central goal in quantum information science and technology. Intensive research and development has propelled foundry-based silicon-on-insu...

PhysicsMedicine

Kerr-effect-based quantum logical gates in decoherence-free subspace

Fangfang Du, Gang Fan, Xueqin Ren·Jun 9, 2023

The decoherence effect caused by the coupling between the system and the environment undoubtedly leads to the errors in efficient implementations of two (or three) qubit logical gates in quantum information processing. Fortunately, decoherence-free s...

PhysicsComputer Science

Low-temperature holographic screens correspond to Einstein-Rosen bridges

M. Javarone·Jun 9, 2023

Recent conjectures on the complexity of black holes suggest that their evolution manifests in the structural properties of Einstein-Rosen bridges, like the length and volume. The complexity of black holes relates to the computational complexity of th...

Physics

Quantum Wasserstein distance between unitary operations

Xinyu Qiu, Lin Chen, Lijun Zhao·Jun 8, 2023

Quantifying the effect of noise on unitary operations is an essential task in quantum information processing. We propose the quantum Wasserstein distance between unitary operations, which shows an explanation for quantum circuit complexity and charac...

Physics

Formulation of the Electric Vehicle Charging and Routing Problem for a Hybrid Quantum-Classical Search Space Reduction Heuristic

Mikel Garcia de Andoin, Alberto Bottarelli, Sebastian Schmitt +3 more·Jun 7, 2023

Combinatorial optimization problems have attracted much interest in the quantum computing community in the recent years as a potential testbed to showcase quantum advantage. In this paper, we show how to exploit multilevel carriers of quantum informa...

PhysicsComputer Science

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

Compiling Quantum Circuits for Dynamically Field-Programmable Neutral Atoms Array Processors

Daniel Bochen Tan, D. Bluvstein, M. Lukin +1 more·Jun 6, 2023

Dynamically field-programmable qubit arrays (DPQA) have recently emerged as a promising platform for quantum information processing. In DPQA, atomic qubits are selectively loaded into arrays of optical traps that can be reconfigured during the comput...

Computer SciencePhysics

Preserving a qubit during adjacent measurements at a few micrometers distance

Sainath Motlakunta, Nikhil Kotibhaskar, C. Shih +6 more·Jun 5, 2023

Protecting a quantum object against irreversible accidental measurements from its surroundings is necessary for controlled quantum operations. This becomes especially challenging or unfeasible if one must simultaneously measure or reset a nearby obje...

Physics

Enhancing quantum annealing in digital–analog quantum computing

T. Kadowaki·Jun 3, 2023

Digital–analog quantum computing (DAQC) offers a promising approach to addressing the challenges of building a practical quantum computer. By efficiently allocating resources between digital and analog quantum circuits, DAQC paves the way for achievi...

Physics

Simulating Noisy Quantum Circuits for Cryptographic Algorithms

Sahay Harshvardhan, Sanil Jain, J. McClure +2 more·Jun 3, 2023

The emergence of noisy intermediate-scale quantum (NISQ) computers has important consequences for cryptographic algorithms. It is theoretically well-established that key algorithms used in cybersecurity are vulnerable to quantum computers due to the ...

Computer SciencePhysics

Improving the Performance of Quantum Cryptography by Using the Encryption of the Error Correction Data

Valeria A. Pastushenko, D. A. Kronberg·Jun 1, 2023

Security of quantum key distribution (QKD) protocols rely solely on quantum physics laws, namely, on the impossibility to distinguish between non-orthogonal quantum states with absolute certainty. Due to this, a potential eavesdropper cannot extract ...

Computer ScienceMedicinePhysics

A general-purpose single-photon-based quantum computing platform

N. Maring, A. Fyrillas, M. Pont +24 more·Jun 1, 2023

Quantum computing aims at exploiting quantum phenomena to efficiently perform computations that are unfeasible even for the most powerful classical supercomputers. Among the promising technological approaches, photonic quantum computing offers the ad...

Physics

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
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