Quantum Brain

Papers

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

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27,548

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12,911 papers in 12 months (-5% vs prior quarter)

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

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Hardware platform mentions in abstractsPhotonic leads

1,747 papers found

Quantum Architecture Search: A Survey

Darya Martyniuk, Johannes Jung, A. Paschke·Jun 10, 2024

Quantum computing has made significant progress in recent years, attracting immense interest not only in research laboratories but also in various industries. However, the application of quantum computing to solve real-world problems is still hampere...

Computer SciencePhysics

Relativistic VQE calculations of molecular electric dipole moments on trapped ion quantum hardware

Palak Chawla, Shweta, K. R. Swain +9 more·Jun 7, 2024

The quantum-classical hybrid variational quantum eigensolver (VQE) algorithm is among the most actively studied topics in atomic and molecular calculations on quantum computers, yet few studies address properties other than energies or account for re...

Physics

Quantum state preparation for a velocity field based on the spherical Clebsch wave function

Hao Su, Shiying Xiong, Yue Yang·Jun 7, 2024

We propose a method for preparing the quantum state for a given velocity field, e.g., in fluid dynamics, via the spherical Clebsch wave function (SCWF). Using the pointwise normalization constraint for the SCWF, we develop a variational ansatz compri...

Physics

Entanglement with neutral atoms in the simulation of nonequilibrium dynamics of one-dimensional spin models

Anupam Mitra·Jun 7, 2024

Quantum entanglement is a key ingredient for quantum information processing with capabilities beyond that of classical computation. We study the generation and role of entanglement in the dynamics of spin-1/2 models, both for the design of quantum ga...

Physics

Interfacing Gottesman-Kitaev-Preskill qubits to quantum memories

Prajit Dhara, Liang Jiang, Saikat Guha·Jun 6, 2024

Gottesman-Kitaev-Preskill (GKP) states have been demonstrated to pose significant advantages when utilized for fault-tolerant all optical continuous-variable quantum computing as well as for quantum communications links for entanglement distribution....

Physics

Assessing and advancing the potential of quantum computing: A NASA case study

E. Rieffel, A. A. Asanjan, M. Alam +20 more·Jun 1, 2024

Quantum computing is one of the most enticing computational paradigms with the potential to revolutionize diverse areas of future-generation computational systems. While quantum computing hardware has advanced rapidly, from tiny laboratory experiment...

Computer SciencePhysics

On Transversality Across Two Distinct Quantum Error Correction Codes For Quantum Repeaters

Mahdi Bayanifar, A. Ashikhmin, Dawei Jiao +1 more·Jun 1, 2024

In this paper, we investigate the transversality of pairs of CSS codes and their use in the second generation of quantum repeaters (QR)s. We show that different stations of quantum link can experience different errors. Considering this fact, we sugge...

Physics

Table-top nanodiamond interferometer enabling quantum gravity tests

Marta Vicentini, Ettore Bernardi, Matteo Bordin +6 more·May 31, 2024

Unifying quantum theory and general relativity is the holy grail of contemporary physics. Nonetheless, the lack of experimental evidence driving this process led to a plethora of mathematical models with a substantial impossibility of discriminating ...

Quantum Physics

mRNA Secondary Structure Prediction Using Utility-Scale Quantum Computers

Dimitris Alevras, Mihir Metkar, Takahiro Yamamoto +7 more·May 30, 2024

Recent advancements in quantum computing have created new opportunities for tackling long-standing, complex combinatorial optimization problems that are intractable for classical computers. Predicting the secondary structure of mRNA is one such notor...

PhysicsComputer Science

On-Demand Resource Allocation for a Quantum Network Hub

Scarlett Gauthier, Thirupathaiah Vasantam, Gayane Vardoyan·May 28, 2024

To effectively support the execution of quantum network applications for multiple sets of user-controlled quantum nodes, a quantum network must efficiently allocate shared resources. We study traffic models for a type of quantum network hub called an...

PhysicsComputer Science

Decoherence of solid-state spin qubits: a computational perspective

M. Onizhuk, Giulia Galli·May 28, 2024

The usefulness of solid-state spins in quantum technologies depends on how long they can remain in a coherent superposition of quantum states. This Colloquium discusses how first-principles simulations can predict spin dynamics for different types of...

Physics

An Abstraction Hierarchy Toward Productive Quantum Programming

Olivia Di Matteo, Santiago N'unez-Corrales, Michał Stęchły +2 more·May 22, 2024

The computer industry, with over seven decades of experience to draw on, has shown that to thrive, there must be a community of software engineers that produce the applications users depend on. Supporting those software engineers so they can write co...

PhysicsComputer Science

Symmetrically Threaded Superconducting Quantum Interference Devices as Next-Generation Kerr-Cat Qubits

Bibek Bhandari, Irwin Huang, Ahmed Hajr +7 more·May 18, 2024

Kerr-cat qubits are bosonic qubits offering autonomous bit-flip protection, traditionally studied using driven superconducting nonlinear asymmetric inductive element (SNAIL) oscillators. Here, we theoretically explore an alternative circuit for Kerr-...

Physics

High-throughput assessment of defect-nuclear spin register controllability for quantum memory applications

Filippos Dakis, E. Takou, Edwin Barnes +1 more·May 17, 2024

Quantum memories play a key role in facilitating tasks within quantum networks and quantum information processing, including secure communications, advanced quantum sensing, and distributed quantum computing. Progress in characterizing large nuclear ...

Physics

Optimal Switching Networks for Paired-Egress Bell State Analyzer Pools

Marii Koyama, Claire Yun, Amin Taherkhani +5 more·May 16, 2024

To scale quantum computers to useful levels, we must build networks of quantum computational nodes that can share entanglement for use in distributed forms of quantum algorithms. In one proposed architecture, node-to-node entanglement is created when...

PhysicsComputer Science

Generation of quantum phases of matter and finding a maximum-weight independent set of unit-disk graphs using Rydberg atoms

Ahmed M. Farouk, I. Beterov, Peng Xu +1 more·May 16, 2024

Recent progress in quantum computing and quantum simulation of many-body systems with arrays of neutral atoms using Rydberg excitation has provided unforeseen opportunities towards computational advantage in solving various optimization problems. The...

Physics

Distributed Quantum Computation with Minimum Circuit Execution Time over Quantum Networks

Ranjani G. Sundaram, Himanshu Gupta, C. Ramakrishnan·May 13, 2024

Present quantum computers are constrained by limited qubit capacity and restricted physical connectivity, leading to challenges in large-scale quantum computations. Distributing quantum computations across a network of quantum computers is a promisin...

PhysicsComputer Science

Continuous-variable quantum Boltzmann machine

Shikha Bangar, Leanto Sunny, Kubra Yeter-Aydeniz +1 more·May 10, 2024

We propose a continuous-variable quantum Boltzmann machine (CVQBM) using a powerful energy-based neural network. It can be realized experimentally on a continuous-variable (CV) photonic quantum computer. We used a CV quantum imaginary time evolution ...

Computer SciencePhysics

Photonic quantum generative adversarial networks for classical data

Tigran Sedrakyan, Alexia Salavrakos·May 9, 2024

In generative learning, models are trained to produce new samples that follow the distribution of the target data. These models were historically difficult to train, until proposals such as Generative Adversarial Networks (GANs) emerged, where a gene...

Physics

A Greedy Quantum Route-Generation Algorithm

Jordan Makansi, David E. Bernal Neira·May 5, 2024

Routing and scheduling problems with time windows have long been important optimization problems for logistics and planning. Many classical heuristics and exact methods exist for such problems. However, there are no satisfactory methods for generatin...

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