Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
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...
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...
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...
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...
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....
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...
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...
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 ...
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...
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...
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...
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...
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-...
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 ...
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...
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...
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...
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 ...
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...
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...