Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Distributed Architecture for FPGA-based Superconducting Qubit Control
Neelay Fruitwala, Gang Huang, Yilun Xu +6 more·Apr 23, 2024
Quantum circuits utilizing real time feedback techniques (such as active reset and mid-circuit measurement) are a powerful tool for NISQ-era quantum computing. Such techniques are crucial for implementing error correction protocols, and can reduce th...
Quantum-Enhanced Neural Exchange-Correlation Functionals
Igor O. Sokolov, Gert-Jan Both, Art D. Bochevarov +6 more·Apr 22, 2024
Kohn-Sham Density Functional Theory (KS-DFT) provides the exact ground state energy and electron density of a molecule, contingent on the as-yet-unknown universal exchange-correlation (XC) functional. Recent research has demonstrated that neural netw...
A New Optimization Model for Multiple-Control Toffoli Quantum Circuit Design
Jihye Jung, Kevin Dalmeijer, P. V. Hentenryck·Apr 22, 2024
As quantum technology advances, the efficient design of quantum circuits has become an important area of research. This paper provides an introduction to the MCT quantum circuit design problem for reversible Boolean functions with the necessary backg...
Pricing of European Calls with the Quantum Fourier Transform
Tom Ewen·Apr 22, 2024
The accurate valuation of financial derivatives plays a pivotal role in the finance industry. Although closed formulas for pricing are available for certain models and option types, exemplified by the European Call and Put options in the Black-Schole...
A novel perspective on denoising using quantum localization with application to medical imaging
Amirreza Hashemi, Sayantan Dutta, B. Georgeot +2 more·Apr 22, 2024
Background noise in many fields such as medical imaging poses significant challenges for accurate diagnosis, prompting the development of denoising algorithms. Traditional methodologies, however, often struggle to address the complexities of noisy en...
Dynamical quantum Ansatz tree approach for the heat equation
N. Guseynov, W. Pogosov, A. Lebedev·Apr 22, 2024
Quantum computers can be used for the solution of various problems of mathematical physics. In the present paper, we consider a discretized version of the heat equation and address its solution on quantum computer using variational Anzats tree approa...
HamilToniQ: An Open-Source Benchmark Toolkit for Quantum Computers
Xiaotian Xu, Kuan-Cheng Chen, Robert Wille·Apr 22, 2024
This paper introduces HamilToniQ, an open-source benchmarking toolkit for Quantum Processing Units (QPUs). It addresses the complexities of quantum computations by providing a methodological framework to assess QPU types, topologies, and systems. Ham...
Approximating Korobov functions via quantum circuits
Junaid Aftab, Haizhao Yang·Apr 22, 2024
Understanding the capacity of quantum circuits through the lens of approximation theory is essential for evaluating the complexity of quantum circuits required to solve various problems in scientific computation. We design quantum circuits capable of...
Efficient molecular conformation generation with quantum-inspired algorithm
Yunting Li, Xiaopeng Cui, Zhaoping Xiong +7 more·Apr 22, 2024
Conformation generation, also known as molecular unfolding (MU), is a crucial step in structure-based drug design, remaining a challenging combinatorial optimization problem. Quantum annealing (QA) has shown great potential for solving certain combin...
QuantumAnnealing: A Julia Package for Simulating Dynamics of Transverse Field Ising Models
Zachary Morrell, Marc Vuffray, Sidhant Misra +1 more·Apr 22, 2024
Analog Quantum Computers are promising tools for improving performance on applications such as modeling behavior of quantum materials, providing fast heuristic solutions to optimization problems, and simulating quantum systems. Due to the challenges ...
Designing open quantum systems with known steady states: Davies generators and beyond
Jinkang Guo, Oliver Hart, Chi-Fang Chen +2 more·Apr 22, 2024
We provide a systematic framework for constructing generic models of nonequilibrium quantum dynamics with a target stationary (mixed) state. Our framework identifies (almost) all combinations of Hamiltonian and dissipative dynamics that relax to a st...
Two remote counting events induced by a single photon
Lida Zhang·Apr 21, 2024
Motivated by Einstein's thought experiment that a single quantum particle diffracted after a pinhole could in principle produce an action in two or several places on a hemispherical imaging screen, here we explore theoretically the possibility to sim...
Numerical Evidence for a Bipartite Pure State Entanglement Witness from Approximate Analytical Diagonalization
P. Alsing, Richard J. Birrittella·Apr 21, 2024
We show numerical evidence for a bipartite d×d pure state entanglement witness that is readily calculated from the wavefunction coefficients directly, without the need for the numerical computation of eigenvalues. This is accomplished by using an app...
A route to quantum computing through the theory of quantum graphs
Farrokh Razavinia·Apr 21, 2024
Based on our previous works, and in order to relate them with the theory of quantum graphs and the quantum computing principles, we once again try to introduce some newly developed technical structures just by relying on our toy example, the coordina...
Optimized mechanical quadrature squeezing beyond the 3-dB limit via a gradient-descent algorithm
Yu-Hong Liu, Jie-Qiao Liao·Apr 21, 2024
The preparation of mechanical quadrature-squeezed states holds significant importance in cavity optomechanics because the squeezed states have extensive applications in understanding fundamental quantum mechanics and exploiting modern quantum technol...
PristiQ: A Co-Design Framework for Preserving Data Security of Quantum Learning in the Cloud
Zhepeng Wang, Yi Sheng, Nirajan Koirala +4 more·Apr 20, 2024
Benefiting from cloud computing, today's early-stage quantum computers can be remotely accessed via the cloud services, known as Quantum-as-a-Service (QaaS). However, it poses a high risk of data leakage in quantum machine learning (QML). To run a QM...
Nanomechanical ancilla qubits generator for error correction algorithms in quantum computation
D. Radi'c, L. Gorelik, S. Kulinich +1 more·Apr 20, 2024
We suggest a nanoelectromechanical setup that generates properly entangled ancillary ("ancilla") qubits for error correction algorithms in quantum computing, demonstrated as an encoder for the three-qubit bit flip code. The setup is based on mesoscop...
Classical Commitments to Quantum States
S. Gunn, Yael Tauman Kalai, Anand Natarajan +1 more·Apr 19, 2024
We define the notion of a classical commitment scheme to quantum states, which allows a quantum prover to compute a classical commitment to a quantum state, and later open each qubit of the state in either the standard or the Hadamard basis. Our noti...
Exploring qubit-ADAPT-VQE for materials discovery in direct air capture
M. A. Barroca, Rodrigo Neumann Barros Ferreira, Mathias B. Steiner·Apr 19, 2024
Direct air capture (DAC) of carbon dioxide is a promising method for mitigating climate change. Solid sorbents, such as metal–organic frameworks, are currently being tested for DAC application. However, their potential for deployment at scale has not...
Erasure-Tolerance Scheme for the Surface Codes on Neutral Atom Quantum Computers
Fumiyoshi Kobayashi, Shota Nagayama·Apr 19, 2024
Neutral atom arrays manipulated with optical tweezers are promising candidates for fault-tolerant quantum computers due to their advantageous properties, such as scalability, long coherence times, and optical accessibility for communication. A signif...