Articles with "generalized quantum" as a keyword



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On Hermite–Hadamard type inequalities for newly defined generalized quantum integrals

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Published in 2021 at "Ricerche di Matematica"

DOI: 10.1007/s11587-021-00662-5

Abstract: In this paper, we first introduce four new generalized quantum integrals of two variables functions which are called $$T_{q}$$ -integrals. We also give some examples of each of these given integrals. Then we establish corresponding… read more here.

Keywords: quantum integrals; hadamard type; generalized quantum; hermite hadamard ... See more keywords

Tensor-Train Thermo-Field Memory Kernels for Generalized Quantum Master Equations.

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Published in 2022 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.2c00892

Abstract: The generalized quantum master equation (GQME) approach provides a rigorous framework for deriving the exact equation of motion for any subset of electronic reduced density matrix elements (e.g., the diagonal elements). In the context of… read more here.

Keywords: tensor train; train thermo; memory; memory kernels ... See more keywords

Simulating Open Quantum System Dynamics on NISQ Computers with Generalized Quantum Master Equations.

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Published in 2023 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.3c00316

Abstract: We present a quantum algorithm based on the generalized quantum master equation (GQME) approach to simulate open quantum system dynamics on noisy intermediate-scale quantum (NISQ) computers. This approach overcomes the limitations of the Lindblad equation,… read more here.

Keywords: system; open quantum; quantum; nisq computers ... See more keywords

Discrete Generalized Quantum Master Equations.

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Published in 2025 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.5c00396

Abstract: Several derivative and integral approximations are explored for discretizing the Nakajima-Zwanzig generalized quantum master equation (NZ-QME or GQME) to obtain discrete quantum master equation (DQME) hierarchies and relations between discrete memory kernel and reduced density… read more here.

Keywords: equation; quantum master; generalized quantum; discrete generalized ... See more keywords
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Generalized quantum circuit differentiation rules

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Published in 2021 at "Physical Review A"

DOI: 10.1103/physreva.104.052417

Abstract: Variational quantum algorithms that are used for quantum machine learning rely on the ability to automatically differentiate parametrized quantum circuits with respect to underlying parameters. Here, we propose the rules for differentiating quantum circuits (unitaries)… read more here.

Keywords: differentiation; generalized quantum; quantum circuit; differentiation rules ... See more keywords

Driven generalized quantum Rayleigh-van der Pol oscillators: Phase localization and spectral response.

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Published in 2024 at "Physical review. E"

DOI: 10.1103/physreve.109.054207

Abstract: Driven classical self-sustained oscillators have been studied extensively in the context of synchronization. Using the master equation, this work considers the classically driven generalized quantum Rayleigh-van der Pol oscillator, which is characterized by linear dissipative… read more here.

Keywords: phase localization; rayleigh van; quantum rayleigh; driven generalized ... See more keywords
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Debye screening in generalized quantum electrodynamics

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Published in 2020 at "International Journal of Modern Physics A"

DOI: 10.1142/s0217751x20501791

Abstract: In this work we study the Higgs mechanism and the Debye shielding for the Bopp–Podolsky theory of electrodynamics. We find that not only the massless sector of the Podolsky theory acquires a mass in both… read more here.

Keywords: screening generalized; quantum electrodynamics; generalized quantum; electrodynamics ... See more keywords

Nonlocal generalized quantum measurement of product observables with mixed entanglement.

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Published in 2023 at "Optics express"

DOI: 10.1364/oe.487883

Abstract: Nonlocal observables of spacelike separated quantum systems in combination with their measurements contribute greatly to quantum theory and its applications. We present a nonlocal generalized quantum measurement protocol for measuring product observables, assisted by a… read more here.

Keywords: optics; product; product observables; quantum measurement ... See more keywords