Search Results - numerical analytic continuation algorithm

Numerical analytic continuation.

Authors: Trefethen, Lloyd N.

Source: Japan Journal of Industrial & Applied Mathematics; Sep2023, Vol. 40 Issue 3, p1587-1636, 50p

Symplectic quantization: numerical results for the Feynman propagator on a 1+1 lattice and the theoretical relation with quantum field theory

Authors: Martina Giachello Francesco Scardino Giacomo Gradenigo

Source: Journal of High Energy Physics, Vol 2025, Iss 9, Pp 1-29 (2025)

Subject Terms: Algorithms and Theoretical Developments, Correlation Functions, Lattice Quantum Field Theory, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/1029-8479

Access URL: https://doaj.org/article/ea2314393a4e486486142be97e4040fd

Statistical and computational intelligence approach to analytic continuation in Quantum Monte Carlo

Authors: Gianluca Bertaina Davide Emilio Galli Ettore Vitali

Source: Advances in Physics: X, Vol 2, Iss 2, Pp 302-323 (2017)

Subject Terms: Analytic continuation, inverse problems, genetic algorithms, quantum liquids, dynamics, elementary excitations, Physics, QC1-999

File Description: electronic resource

Relation: https://doaj.org/toc/2374-6149

Access URL: https://doaj.org/article/d263718d3e614bddac5cae2ec1c3a7b1

Exponential asymptotics of woodpile chain nanoptera using numerical analytic continuation.

Authors: Deng, Guo Lustri, Christopher J.

Source: Studies in Applied Mathematics; Feb2023, Vol. 150 Issue 2, p520-557, 38p

Subject Terms: CONTINUATION methods, OSCILLATIONS

The θ-dependence of the Yang-Mills spectrum from analytic continuation

Authors: Claudio Bonanno Claudio Bonati Mario Papace et al.

Source: Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-23 (2024)

Subject Terms: 1/N Expansion, Lattice Quantum Field Theory, Vacuum Structure and Confinement, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/1029-8479

Access URL: https://doaj.org/article/267e473ea8bd4a4098241ea6f9360161

Dc conductivity of two-dimensional ionic Hubbard model extracted by analytic continuation.

Authors: Huang, Yiqun Han, Wanpeng Sun, Junsong et al.

Source: International Journal of Modern Physics C: Computational Physics & Physical Computation; Aug2024, Vol. 35 Issue 8, p1-9, 9p

Subject Terms: HUBBARD model, PHASE diagrams, METAL-insulator transitions, TWO-dimensional models, IONIC conductivity

Coupling finite difference methods and integral formulas for elliptic problems arising in fluid mechanics

Authors: G.‐H. Cottet C. Albuquerque

Source: Numerical Methods for Partial Differential Equations. 20:199-229

Subject Terms: Finite difference methods for boundary value problems involving PDEs, Water waves, gravity waves, dispersion and scattering, nonlinear interaction, convergence, water waves, Free-surface potential flows for incompressible inviscid fluids, Schwarz domain decomposition method, 01 natural sciences, Finite difference methods applied to problems in fluid mechanics, free boundary problems, 0103 physical sciences, iterative methods, numerical analytic continuation algorithm, 0101 mathematics, finite-difference Poisson solvers

File Description: application/xml

Access URL: http://www-ljk.imag.fr/membres/Georges-Henri.Cottet/ref23.pdf
https://zbmath.org/2057035
https://doi.org/10.1002/num.10089
https://core.ac.uk/display/101108601
http://www-ljk.imag.fr/membres/Georges-Henri.Cottet/ref23.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1002/num.10089

A New Numerical Algorithm for the Analytic Continuation of Green's Functions: A new numerical algorithm for the analytic continuation of Green's functions

Authors: Vincent D. Natoli Morrel H. Cohen Bengt Fornberg

Source: Journal of Computational Physics. 126:99-108

Subject Terms: Kohn-Sham Green's functions, energy spectrum, Herglotz property, fast Fourier transform, 01 natural sciences, resolvents, finite difference techniques, Hermitian operator, Algorithms for approximation of functions, 0103 physical sciences, numerical analytic continuation, Green's function operator, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, 0101 mathematics, condensed matter systems

File Description: application/xml

Access URL: http://www.osti.gov/scitech/biblio/440759-new-numerical-algorithm-analytic-continuation-green-functions
https://www.sciencedirect.com/science/article/pii/S0021999196901230
http://ui.adsabs.harvard.edu/abs/1996JCoPh.126...99N/abstract

Numerical analytic continuation on bounded domains

Authors: Fu, Chu-Li Zhang, Yuan-Xiang Cheng, Hao et al.

Source: Engineering Analysis with Boundary Elements. Apr2012, Vol. 36 Issue 4, p493-504. 12p.

Subject Terms: *NUMERICAL analysis, *CONTINUATION methods, *ANALYTIC functions, *COMPLEX variables, *NP-complete problems, *NUMERICAL differentiation

Ab Initio Calculations of Longitudinal Electrical Conductivity Using a Wannier-based Coherent Potential Approximation.

Authors: Shota Namerikawa Takashi Koretsune

Source: Journal of the Physical Society of Japan; 4/15/2025, Vol. 94 Issue 4, p1-7, 7p

Some Problems in Numerical Analytic Continuation: Some problems in numerical analytic continuation

Authors: J. R. Cannon Keith Miller

Source: Journal of the Society for Industrial and Applied Mathematics Series B Numerical Analysis. 2:87-98

Subject Terms: Numerical computation of solutions to single equations

File Description: application/xml

Access URL: https://zbmath.org/3339839
https://doi.org/10.1137/0702007
https://epubs.siam.org/doi/10.1137/0702007
http://ui.adsabs.harvard.edu/abs/1965SJNA....2...87C/abstract
https://www.jstor.org/stable/info/2949813

A modified kernel method for numerical analytic continuation.

Authors: Zhang, Zheng-Qiang Ma, Yun-Jie

Source: Inverse Problems in Science & Engineering; Jul2013, Vol. 21 Issue 5, p840-853, 14p, 3 Charts, 3 Graphs

Subject Terms: KERNEL (Mathematics), NUMERICAL analysis, CONTINUATION methods, ANALYTIC functions, MATHEMATICAL domains, DATA analysis, APPROXIMATION theory

Threshold energies and poles for hadron physical problems by a model-independent universal algorithm

Authors: R.-A. Tripolt I. Haritan J. Wambach et al.

Source: Physics Letters B, Vol 774, Iss C, Pp 411-416 (2017)

Subject Terms: Resonance poles, Threshold energies, Padé approximant, Analytic continuation, Physics, QC1-999

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S0370269317308018; https://doaj.org/toc/0370-2693; https://doaj.org/toc/1873-2445

Access URL: https://doaj.org/article/f5530618407844be8ceb30e658d5d90f

A novel analytic continuation power series solution for the perturbed two-body problem

Authors: Kevin Hernandez Tarek A. Elgohary James D. Turner et al.

Source: Celestial Mechanics and Dynamical Astronomy. 131

Subject Terms: 0103 physical sciences, 0101 mathematics, 01 natural sciences

Access URL: https://link.springer.com/article/10.1007%2Fs10569-019-9926-0

Real time quantum correlation functions. II. Maximum entropy numerical analytic continuation...

Authors: Krilov, Goran Berne, B.J.

Source: Journal of Chemical Physics; 11/22/1999, Vol. 111 Issue 20, p9147, 10p

Subject Terms: MOLECULAR dynamics, REAL-time computing, MONTE Carlo method

Interpolation methods for numerical analytic continuation

Authors: Michael Eiermann Wilhelm Niethammer

Source: Multivariate Approximation Theory II ISBN: 9783034871914

Access URL: https://link.springer.com/chapter/10.1007/978-3-0348-7189-1_11
https://rd.springer.com/chapter/10.1007/978-3-0348-7189-1_11
https://link.springer.com/content/pdf/10.1007%2F978-3-0348-7189-1_11.pdf

A STABLE HIGH-ORDER METHOD FOR TWO-DIMENSIONAL BOUNDED-OBSTACLE SCATTERING.

Authors: Nicholls, David P. Jie Shen

Source: SIAM Journal on Scientific Computing; 2006, Vol. 28 Issue 4, p1398-1419, 22p, 3 Charts, 7 Graphs

Subject Terms: HELMHOLTZ equation, ELLIPTIC differential equations, FUNCTIONS of several complex variables, ANALYTIC continuation, PADE approximant, APPROXIMATION theory, GALERKIN methods

Moment problems and bounds for matrix-valued smeared spectral functions

Authors: Abbott, Ryan Jay, William I. Oare, Patrick R.

Index Terms: High Energy Physics - Lattice, High Energy Physics - Theory, text

URL: http://arxiv.org/abs/2508.01377

Quantum mechanical canonical rate theory: A new approach based on the reactive flux and numerical analytic continuation methods.

Authors: Rabani, Eran Krilov, Goran Berne, B. J.

Source: Journal of Chemical Physics; 2/8/2000, Vol. 112 Issue 6, 1 Chart, 9 Graphs

Subject Terms: ANALYTIC continuation, QUANTUM theory

On the simultaneous reconstruction of the initial diffusion time and source term for the time-fractional diffusion equation.

Authors: Ruan, Zhousheng Chen, Zhenxing Luo, Min et al.

Source: International Journal of Computer Mathematics. Nov2023, Vol. 100 Issue 11, p2077-2093. 17p.

Subject Terms: Caputo fractional derivatives, Laplace transformation, Heat equation, Continuation methods