Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Comparing Classical and Quantum Ground State Preparation Heuristics
Katerina Gratsea, Jakob S. Kottmann, Peter D. Johnson +1 more·Jan 10, 2024
One promising field of quantum computation is the simulation of quantum systems, and specifically, the task of ground state energy estimation (GSEE). Ground state preparation (GSP) is a crucial component in GSEE algorithms, and classical methods like...
Reducing measurement costs by recycling the Hessian in adaptive variational quantum algorithms
Mafalda Ramôa, Luis Paulo Santos, N. Mayhall +2 more·Jan 10, 2024
Adaptive protocols enable the construction of more efficient state preparation circuits in variational quantum algorithms (VQAs) by utilizing data obtained from the quantum processor during the execution of the algorithm. This idea originated with Ad...
Simulating Quantum Field Theories on Gate-Based Quantum Computers
Gayathree M. Vinod, Anil Shaji·Jan 9, 2024
We implement a simulation of a quantum field theory in 1+1 space–time dimensions on a gate-based quantum computer using the light-front formulation of the theory. The nonperturbative simulation of the Yukawa model field theory is verified on IBM's si...
Design of Fully Integrated 45 nm CMOS System-on-Chip Receiver for Readout of Transmon Qubit
Ahmad Salmanogli, A. Bermak·Jan 8, 2024
This study unveils a comprehensive design strategy, intricately addressing the realization of transmon qubits, the design of Josephson parametric amplifiers, and the development of an innovative fully integrated receiver dedicated to sensing ultra-lo...
Ground state energy and magnetization curve of a frustrated magnetic system from real-time evolution on a digital quantum processor
A. Szasz, Ed Younis, W. A. Jong·Jan 5, 2024
Models of interacting many-body quantum systems that may realize new exotic phases of matter, notably quantum spin liquids, are challenging to study using even state-of-the-art classical methods such as tensor network simulations. Quantum computing p...
Nearly optimal quasienergy estimation and eigenstate preparation of time-periodic Hamiltonians by Sambe space formalism
Kaoru Mizuta·Jan 5, 2024
Time-periodic (Floquet) systems are one of the most interesting nonequilibrium systems. As the computation of energy eigenvalues and eigenstates of time-independent Hamiltonians is a central problem in both classical and quantum computation, quasiene...
One-step implementation of a nonadiabatic geometric fSim gate in superconducting circuits
Meng-Ru Yun, Zheng Shan, L. Sun +4 more·Jan 4, 2024
Due to its significant application in reducing algorithm depth, fSim gates have attracted a lot of attention. However, during the implementation of quantum gates, fluctuations in control parameters and decoherence caused by the environment may lead t...
To Wedge Or Not To Wedge, Wedges and operator reconstructability in toy models of AdS/CFT
V. Linden·Jan 2, 2024
The AdS/CFT correspondence is an explicit realization of the holographic principle relating a theory of gravity in a volume of space to a lower dimensional quantum field theory on its boundary. By exploiting elements of quantum error correction, qubi...
Fault-Tolerant Quantum Computation by Hybrid Qubits with Bosonic Cat Code and Single Photons
Jaehak Lee, Nuri Kang, Seok-Hyung Lee +3 more·Dec 31, 2023
Hybridizing different degrees of freedom or physical platforms potentially offers various advantages in building scalable quantum architectures. Here, we introduce a fault-tolerant hybrid quantum computation by building on the advantages of both disc...
Two quantum algorithms for solving the one-dimensional advection-diffusion equation
Julia Ingelmann, Sachin S. Bharadwaj, Philip R. Pfeffer +2 more·Dec 30, 2023
Two quantum algorithms are presented for the numerical solution of a linear one-dimensional advection-diffusion equation with periodic boundary conditions. Their accuracy and performance with increasing qubit number are compared point-by-point with e...
Evolutionary Reduction of the Laser Noise Impact on Quantum Gates
Tam'si Ley, A. Leonteva, Johannes Schachenmayer +1 more·Dec 27, 2023
As the size of quantum hardware progressively increases, the conjectured computational advantages of quantum technologies tend to be threatened by noise, which randomly corrupts the design of quantum logical gates. Several methods already exist to re...
Derivation of Hamiltonians from time propagations using Born machines
Hikaru Wakaura, A. B. Suksmono·Dec 27, 2023
Recently there are more promising qubit technology such as Majorana fermions Rydberg atoms and Silicon quantum dot have yet to be developed for realizing a quantum computer than Superconductivity and Ion trap into the world The simulation of the quan...
Workflow for practical quantum chemical calculations with a quantum phase estimation algorithm: electronic ground and π-π* excited states of benzene and its derivatives.
Y. Ino, Misaki Yonekawa, Hideto Yuzawa +2 more·Dec 27, 2023
Quantum computers are expected to perform full-configuration interaction calculations with less computational resources compared to classical ones, thanks to the use of quantum phase estimation (QPE) algorithms. However, only a limited number of QPE-...
Overcoming the Coherence Time Barrier in Quantum Machine Learning on Temporal Data
Fangjun Hu, Saeed A. Khan, Nicholas T. Bronn +4 more·Dec 26, 2023
Practical implementation of many quantum algorithms known today is limited by the coherence time of the executing quantum hardware and quantum sampling noise. Here we present a machine learning algorithm, NISQRC, for qubit-based quantum systems that ...
Accelerated quantum circuit Monte Carlo simulation for heavy quark thermalization
Xiaojian Du, Wenyang Qian·Dec 26, 2023
Thermalization of heavy quarks in the quark-gluon plasma (QGP) is one of the most promising phenomena for understanding the strong interaction. The energy loss and momentum broadening at low momentum can be well described by a stochastic process with...
Large-Area Spatially Ordered Mesa Top Single Quantum Dots: Suitable Single Photon Emitters for On-Chip Integrated Quantum Information Processing Platforms
Qi Huang, Lucas Jordao, Siyuan Lu +3 more·Dec 23, 2023
Realization of the long sought on-chip scalable photonic quantum information processing networks has been thwarted by the absence of spatially-ordered and scalable on-demand single photon emitters with emission figures-of-merit exceeding the required...
Hierarchical Multigrid Ansatz for Variational Quantum Algorithms
Christo Meriwether Keller, S. Eidenbenz, Andreas Bärtschi +3 more·Dec 22, 2023
Quantum computing is an emerging topic in engineering that promises to enhance supercomputing using fundamental physics. In the near term, the best candidate algorithms for achieving this advantage are variational quantum algorithms (VQAs). We design...
Estimation of Electrostatic Interaction Energies on a Trapped-Ion Quantum Computer
Pauline J. Ollitrault, Matthias Loipersberger, Robert M. Parrish +12 more·Dec 22, 2023
We present the first hardware implementation of electrostatic interaction energies by using a trapped-ion quantum computer. As test system for our computation, we focus on the reduction of NO to N2O catalyzed by a nitric oxide reductase (NOR). The qu...
A quantum computing concept for 1-D elastic wave simulation with exponential speedup
Malte Schade, Cyrill Boesch, V. Hapla +1 more·Dec 22, 2023
Quantum computing has attracted considerable attention in recent years because it promises speedups that conventional supercomputers cannot offer, at least for some applications. Though existing quantum computers are, in most cases, still too small...
Tuning Quantum Computing Privacy through Quantum Error Correction
Hui Zhong, Keyi Ju, Manojna Sistla +4 more·Dec 22, 2023
Quantum computing is a promising paradigm for efficiently solving large and high-complexity problems. However, ensuring privacy within this quantum computing necessitates innovative approaches. Existing research has introduced the concept of quantum ...