Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
30,856
This Month
902
Today
0
Research Volume
15,145 papers in 12 months (-14% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Multi-qubit dynamical decoupling for enhanced crosstalk suppression
Siyuan Niu, A. Todri-Sanial, N. Bronn·Mar 8, 2024
Dynamical decoupling (DD) is one of the simplest error suppression methods, aiming to enhance the coherence of qubits in open quantum systems. Moreover, DD has demonstrated effectiveness in reducing coherent crosstalk, one major error source in near-...
Squeezing, trisqueezing, and quadsqueezing in a spin-oscillator system
O. Buazuavan, S. Saner, D. Webb +7 more·Mar 8, 2024
Quantum harmonic oscillators model a wide variety of phenomena ranging from electromagnetic fields to vibrations of atoms in molecules. Their excitations can be represented by bosons such as photons, single particles of light, or phonons, the quanta ...
Load Balancing For High Performance Computing Using Quantum Annealing
Omer Rathore, Alastair Basden, Nicholas Chancellor +1 more·Mar 8, 2024
With the advent of exascale computing, effective load balancing in massively parallel software applications is critically important for leveraging the full potential of high-performance computing systems. Load balancing is the distribution of computa...
Quantum theory of molecular orientations
Victor V. Albert, Eric Kubischta, Mikhail Lemeshko +1 more·Mar 7, 2024
We formulate a quantum phase space for rotational and nuclear-spin states of rigid molecules. For each nuclear spin isomer, we re-derive the isomer's admissible angular momentum states from molecular geometry and nuclear-spin data, introduce its angu...
Critical quantum metrology robust against dissipation and non-adiabaticity
Jia-Hao Lü, Wen Ning, Fan Wu +6 more·Mar 7, 2024
Critical systems near quantum phase transitions were predicted to be useful for improvement of metrological precision, thanks to their ultra-sensitive response to a tiny variation of the control Hamiltonian. Despite the promising perspective, realiza...
Fast, Robust, and Laser-Free Universal Entangling Gates for Trapped-Ion Quantum Computing
Markus Nünnerich, D. Cohen, Patrick Barthel +4 more·Mar 7, 2024
A novel two-qubit entangling gate for trapped-ion quantum processors is proposed theoretically and demonstrated experimentally. During the gate, double-dressed quantum states are created by applying a phase-modulated continuous driving field. The spe...
An open-source data storage and visualization platform for collaborative qubit control
Devanshu Brahmbhatt, Yilun Xu, Neel R. Vora +5 more·Mar 7, 2024
Developing collaborative research platforms for quantum bit control is crucial for driving innovation in the field, as they enable the exchange of ideas, data, and implementation to achieve more impactful outcomes. Furthermore, considering the high c...
Variational quantum eigensolver with linear depth problem-inspired ansatz for solving portfolio optimization in finance
Shengbin Wang, Peng Wang, Guihui Li +8 more·Mar 7, 2024
Great efforts have been dedicated in recent years to exploring practical applications for noisy intermediate-scale quantum (NISQ) computers, which is a fundamental and challenging problem in quantum computing. As one of the most promising methods, th...
Optimal Scheduling of Graph States via Path Decompositions
Samuel J. Elman, J. Gavriel, Ryan L. Mann·Mar 7, 2024
We study the optimal scheduling of graph states in measurement-based quantum computation, establishing an equivalence between measurement schedules and path decompositions of graphs. We define the spatial cost of a measurement schedule based on the n...
Implementing the Grover algorithm in homomorphic encryption schemes
Pablo Fernández, M. Martin-Delgado·Mar 7, 2024
We apply quantum homomorphic encryption (QHE) schemes suitable for circuits with a polynomial number of T+T† gates to Grover's algorithm, performing a simulation in Qiskit of a Grover circuit that contains three qubits. The T+T†-gate complexity of Gr...
Qubit-Wise Architecture Search Method for Variational Quantum Circuits
Jialin Chen, Zhiqiang Cai, Ke Xu +2 more·Mar 7, 2024
Considering the noise level limit, one crucial aspect for quantum machine learning is to design a high-performing variational quantum circuit architecture with small number of quantum gates. As the classical neural architecture search (NAS), quantum ...
Ensemble Variational Quantum Algorithm for Non-Markovian Quantum Dynamics
Peter L. Walters, Joachim Tsakanikas, Fei Wang·Mar 7, 2024
Many physical and chemical processes in the condensed phase environment exhibit non-Markovian quantum dynamics. As such simulations are challenging on classical computers, we developed a variational quantum algorithm that is capable of simulating non...
The Power of Lorentz Quantum Computer
Qi Zhang, Biao Wu·Mar 7, 2024
We demonstrate the superior capabilities of the recently proposed Lorentz quantum computer (LQC) compared to conventional quantum computers. We introduce an associated computational complexity class termed bounded-error Lorentz quantum polynomial-tim...
Complexity-Constrained Quantum Thermodynamics
Anthony Munson, N. B. T. Kothakonda, J. Haferkamp +3 more·Mar 7, 2024
Quantum complexity measures the difficulty of realizing a quantum process, such as preparing a state or implementing a unitary. We present an approach to quantifying the thermodynamic resources required to implement a process if the process’s complex...
Differentiable master equation solver for quantum device characterization
David L. Craig, Natalia Ares, E. Gauger·Mar 7, 2024
Differentiable models of physical systems provide a powerful platform for gradient-based algorithms, with particular impact on parameter estimation and optimal control. Quantum systems present a particular challenge for such characterization and cont...
Designing Variational Ansatz for Quantum‐Enabled Simulation of Non‐Unitary Dynamical Evolution ‐ An Excursion into Dicke Supperradiance
Saurabh Shivpuje, M. Sajjan, Yuchen Wang +2 more·Mar 7, 2024
Adaptive Variational Quantum Dynamics (AVQD) algorithms offer a promising approach to providing quantum‐enabled solutions for systems treated within the purview of open quantum dynamical evolution. In this study, the unrestricted‐vectorization varian...
Quantum metrology using quantum combs and tensor network formalism
Stanisław Kurdziałek, Piotr Dulian, Joanna Majsak +2 more·Mar 7, 2024
We develop an efficient algorithm for determining optimal adaptive quantum estimation protocols with arbitrary quantum control operations between subsequent uses of a probed channel.We introduce a tensor network representation of an estimation strate...
Alternative Method for Estimating Betti Numbers
Nhat A. Nghiem·Mar 7, 2024
Topological data analysis (TDA) is a fast-growing field that utilizes advanced tools from topology to analyze large-scale data. A central problem in topological data analysis is estimating the so-called Betti numbers of the underlying simplicial comp...
Quantum Algorithm for Reversing Unknown Unitary Evolutions
Yuanyi Chen, Yin Mo, Yingjian Liu +2 more·Mar 7, 2024
Reversing an unknown quantum evolution is of central importance to quantum information processing and fundamental physics, yet it remains a formidable challenge as conventional methods necessitate an infinite number of queries to fully characterize t...
Bloch oscillations in a transmon embedded in a resonant electromagnetic environment
Benjamin Remez, V. D. Kurilovich, Maximilian Rieger +1 more·Mar 7, 2024
Recently developed Josephson junction array transmission lines implement strong-coupling circuit electrodynamics compatible with a range of superconducting quantum devices. They provide both the high impedance which allows for strong quantum fluctuat...