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Feynman path integrals for discrete-variable systems: Walks on Hamiltonian graphs
Published 2025-02-01“…We propose a natural, parameter-free, discrete-variable formulation of Feynman path integrals. We show that for discrete-variable quantum systems, Feynman path integrals take the form of walks on the graph whose weighted adjacency matrix is the Hamiltonian. …”
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Euclidean Quantum Mechanics and Universal Nonlinear Filtering
Published 2009-02-01Subjects: Get full text
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The Geometry of Black Hole Singularities
Published 2014-01-01“…Since black hole singularities are accompanied by dimensional reduction, this should affect Feynman's path integrals. Therefore, it is expected that singularities induce dimensional reduction effects in Quantum Gravity. …”
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A graph theoretic approach to matrix functions and quantum dynamics
Published 2014“…Walk-sum describes the dynamics of a quantum system as resulting from the coherent superposition of its histories, a discrete analogue to the Feynman path-integrals. Using walk-sum we simulate the dynamics of quantum random walks and of Rydberg-excited Mott insulators. …”
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Penyelesaian kamiran nyata bagi persamaan resapan kompleks berpotensi kuadratik teritlak kompleks
Published 1997“…The real integral solution conforms to the idea of the Feynman path integral…”
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Glimpse on the relationship between Feynman integral and integrable system
Published 2004“…This constitutes an endeavour on our part in making the Feynman path integral into a mathematically meaningful entity.…”
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Mathematical Fundamentals of Modern Linear Optics
Published 2012-01-01“…All known quantum-mechanical approaches to wave and statistical optics are united into a single theory, using Feynman's path integral as a fundamental principle. In short-wave approximations, this principle, the Fourier transformations, and concepts of the theory reproduce Fermat's principle, the Legendre transformations, and concepts of Hamilton's optics and radiometry in a one-to-one fashion.…”
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A Quantum-Type Approach to Non-Life Insurance Risk Modelling
Published 2018-09-01“…The following methodology relies on the Dirac matrix formalism and the Feynman path-integral method.…”
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Measuring the deviation from the superposition principle in interference experiments
Published 2018-01-01“…The Feynman path integral formalism has long been used for calculations of probability amplitudes. …”
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Interaction between Everett Worlds and Fundamental Decoherence in Non-Unitary Newtonian Gravity
Published 2023-02-01“…It is shown that the non-unitary Newtonian gravity (NNG) model admits a simple interpretation in terms of the Feynman path integral, in which the sum over all possible histories is replaced by a summation over pairs of paths. …”
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Quantum Oscillator at Temperature <i>T</i> and the Evolution of a Charged-Particle State in the Electric Field in the Probability Representation of Quantum Mechanics
Published 2023-01-01“…The relation of the Feynman path integral to the probability representation of quantum mechanics is established.…”
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Symplectic quantization: A new deterministic approach to the dynamics of quantum fields inspired by statistical mechanics*
Published 2024-01-01“…From the pseudo-Hamiltonian dynamics one is then able, assuming ergodicity, to retrieve the Feynman path integral as the Fourier transform of a pseudo-microcanonical partition function.…”
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The exact connection between the feynman integral and a completely integrable system
Published 2005“…This constitutes an endeavour on our part in making the Feynman path integral into a mathematically meaningful entity. …”
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‘Classical’ coherent state generated by curved surface
Published 2022-01-01“…By generalizing the method of Feynman path integral, an equivalent coherent states solution is demonstrated to describe the beam propagation. …”
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Towards Large-scale Functional Verification of Universal Quantum Circuits
Published 2019-01-01“…We introduce a framework for the formal specification and verification of quantum circuits based on the Feynman path integral. Our formalism, built around exponential sums of polynomial functions, provides a structured and natural way of specifying quantum operations, particularly for quantum implementations of classical functions. …”
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Dynamics of nonabelian Dirac monopoles
Published 1994“…For the case of quantum monopoles the Feynman path-integral approach is used.</p>…”
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