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   Articles with "digital quantum" as a keyword



Quantum many-body simulations on digital quantum computers: State-of-the-art and future challenges

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recommendations! Published in 2024 at "Nature Communications"

DOI: 10.1038/s41467-024-46402-9

Abstract: Simulating quantum many-body systems is a key application for emerging quantum processors. While analog quantum simulation has already demonstrated quantum advantage, its digital counterpart has recently become the focus of intense research interest due to… read more here.

Keywords: quantum many; quantum computers; digital quantum; many body ... See more keywords

Resource-efficient digital quantum simulation of d-level systems for photonic, vibrational, and spin-s Hamiltonians

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recommendations! Published in 2020 at "npj Quantum Information"

DOI: 10.1038/s41534-020-0278-0

Abstract: Simulation of quantum systems is expected to be one of the most important applications of quantum computing, with much of the theoretical work so far having focused on fermionic and spin-$$\frac{1}{2}$$ 1 2 systems. Here,… read more here.

Keywords: digital quantum; level; spin; quantum ... See more keywords

Dynamic thermalization on noisy quantum hardware

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recommendations! Published in 2024 at "Communications Physics"

DOI: 10.1038/s42005-025-02011-6

Abstract: Emulating thermal observables on a digital quantum computer is essential for quantum simulation of many-body physics. However, thermalization typically requires a large system size due to incorporating a thermal bath, whilst limited resources of near-term… read more here.

Keywords: thermal observables; digital quantum; quantum hardware; quantum ... See more keywords

Digital quantum simulation of the BCS model with a central-spin-like quantum processor

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recommendations! Published in 2022 at "Physical Review A"

DOI: 10.1103/physreva.107.062604

Abstract: The simulation of quantum systems is one of the most promising applications of quantum computers. In this paper we present a quantum algorithm to perform digital quantum simulations of the BCS model on a quantum… read more here.

Keywords: quantum; quantum simulation; digital quantum; simulation ... See more keywords

Kibble-Zurek dynamical scaling hypothesis in the Google analog-digital quantum simulator of the XX model

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recommendations! Published in 2025 at "Physical Review B"

DOI: 10.1103/s2fc-3d18

Abstract: State-of-the-art tensor networks are employed to simulate the Hamiltonian ramp in the analog-digital quantum simulation of the quantum phase transition to the quasi-long-range ordered phase of the two-dimensional square-lattice $XX$ model [T.I. Andersen \textit{et al.},… read more here.

Keywords: scaling hypothesis; digital quantum; kibble zurek; quantum ... See more keywords

Digital Quantum Simulation and Circuit Learning for the Generation of Coherent States

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recommendations! Published in 2022 at "Entropy"

DOI: 10.3390/e24111529

Abstract: Coherent states, known as displaced vacuum states, play an important role in quantum information processing, quantum machine learning, and quantum optics. In this article, two ways to digitally prepare coherent states in quantum circuits are… read more here.

Keywords: simulation; digital quantum; coherent states; circuit learning ... See more keywords

Towards Quantum Control with Advanced Quantum Computing: A Perspective

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recommendations! Published in 2022 at "Entropy"

DOI: 10.3390/e24121743

Abstract: We propose the combination of digital quantum simulation and variational quantum algorithms as an alternative approach to numerical methods for solving quantum control problems. As a hybrid quantum–classical framework, it provides an efficient simulation of… read more here.

Keywords: towards quantum; quantum; digital quantum; control advanced ... See more keywords

Digital Quantum Simulation of the Spin-Boson Model under Markovian Open-System Dynamics

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recommendations! Published in 2022 at "Entropy"

DOI: 10.3390/e24121766

Abstract: Digital quantum computers have the potential to simulate complex quantum systems. The spin-boson model is one of such systems, used in disparate physical domains. Importantly, in a number of setups, the spin-boson model is open,… read more here.

Keywords: open system; digital quantum; boson model; spin boson ... See more keywords