Search Results - "Smirnov, A."
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FIRE5: A C++ implementation of Feynman Integral REduction
Published in Computer physics communications (01-04-2015)“…In this paper the C++ version of FIRE is presented — a powerful program performing Feynman integral reduction to master integrals. All previous versions used…”
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Universal Maximum Strength of Solid Metals and Alloys
Published in Physical review letters (21-04-2023)“…Interstitial electron density ρ_{o} is offered as a direct metric for maximum strength in metals, arising from universal properties derived from an electron…”
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FIRE6: Feynman Integral REduction with modular arithmetic
Published in Computer physics communications (01-02-2020)“…FIRE is a program performing reduction of Feynman integrals to master integrals. The C++ version of FIRE was presented in 2014. There have been multiple…”
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On the resolution of singularities of multiple Mellin–Barnes integrals
Published in The European physical journal. C, Particles and fields (01-07-2009)“…One of the two existing strategies of resolving singularities of multifold Mellin–Barnes integrals in the dimensional regularization parameter, or a parameter…”
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Quantum difference equation for Nakajima varieties
Published in Inventiones mathematicae (01-09-2022)“…For an arbitrary Nakajima quiver variety X , we construct an analog of the quantum dynamical Weyl group acting in its equivariant K-theory. The correct…”
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FIESTA 3: Cluster-parallelizable multiloop numerical calculations in physical regions
Published in Computer physics communications (01-07-2014)“…The goal of this paper is to present a new major release of the program FIESTA (Feynman Integral Evaluation by a Sector decomposiTion Approach). This version…”
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Fast, Simple, and Accurate Time Series Analysis with Large Language Models: An Example of Mean-motion Resonances Identification
Published in The Astrophysical journal (01-05-2024)“…Abstract Classical machine learning has been actively utilized in astronomy to address various challenges, including predicting orbital stability, classifying…”
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FIRE4, LiteRed and accompanying tools to solve integration by parts relations
Published in Computer physics communications (01-12-2013)“…We present the new version of the Mathematica code FIRE and ideas behind it. It can be applied together with the recently developed code LiteRed by Lee in…”
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Analytic results for massless three-loop form factors
Published in The journal of high energy physics (01-04-2010)“…We evaluate, exactly in d , the master integrals contributing to massless threeloop QCD form factors. The calculation is based on a combination of a method…”
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First-principles prediction of incipient order in arbitrary high-entropy alloys: exemplified in Ti0.25CrFeNiAlx
Published in Acta materialia (01-05-2020)“…[Display omitted] Multi-principal-element alloys, including high-entropy alloys, experience segregation or partially-ordering as they are cooled to lower…”
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Constructing d-log integrands and computing master integrals for three-loop four-particle scattering
Published in The journal of high energy physics (01-04-2020)“…A bstract We compute all master integrals for massless three-loop four-particle scattering amplitudes required for processes like di-jet or di-photon…”
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Atomic short-range order and incipient long-range order in high-entropy alloys
Published in Physical review. B, Condensed matter and materials physics (29-06-2015)“…Within density-functional theory, we apply an electronic-structure-based thermodynamic theory to calculate short-ranged order (SRO) in homogeneously disordered…”
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The MERRA-2 Aerosol Reanalysis, 1980 Onward. Part I: System Description and Data Assimilation Evaluation
Published in Journal of climate (01-09-2017)“…The Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), updates NASA’s previous satellite-era (1980 onward) reanalysis system…”
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Quark mass relations to four-loop order in perturbative QCD
Published in Physical review letters (10-04-2015)“…We present results for the relation between a heavy quark mass defined in the on-shell and minimal subtraction (MS[over ¯]) scheme to four-loop order. The…”
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Quark and gluon form factors to three loops
Published in Physical review letters (29-05-2009)“…We compute the form factors of the photon-quark-anti-quark vertex and the effective vertex of a Higgs-boson and two gluons to three-loop order within massless…”
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Geometric approach to asymptotic expansion of Feynman integrals
Published in The European physical journal. C, Particles and fields (01-04-2011)“…We present an algorithm that reveals relevant contributions in non-threshold-type asymptotic expansion of Feynman integrals about a small parameter. It is…”
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Towards stacking fault energy engineering in FCC high entropy alloys
Published in Acta materialia (01-02-2022)“…Stacking Fault Energy (SFE) is an intrinsic alloy property that governs much of the plastic deformation mechanisms observed in fcc alloys. While SFE has been…”
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FIESTA 2: Parallelizeable multiloop numerical calculations
Published in Computer physics communications (01-03-2011)“…The program FIESTA has been completely rewritten. Now it can be used not only as a tool to evaluate Feynman integrals numerically, but also to expand Feynman…”
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Solving differential equations for Feynman integrals by expansions near singular points
Published in The journal of high energy physics (01-03-2018)“…A bstract We describe a strategy to solve differential equations for Feynman integrals by powers series expansions near singular points and to obtain high…”
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Expansion by regions meets angular integrals
Published in The journal of high energy physics (20-08-2024)“…A bstract We study the small-mass asymptotic behavior of so-called angular integrals, appearing in phase-space calculations in perturbative quantum field…”
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