Works matching Perturbation theory

Results: 5000

Third-order generalized Van Vleck perturbation theory variant of multireference perturbation theory for electron correlation.

Published in:

International Journal of Quantum Chemistry, 2009, v. 109, n. 9, p. 1855, doi. 10.1002/qua.22008

By:

Khait, Yuriy G.;
Jiang, Wanyi;
Hoffmann, Mark R.

Publication type:

Article

SECOND-ORDER RAYLEIGH–SCHRÖDINGER PERTURBATION THEORY FOR THE Grasp2018 PACKAGE: VALENCE–VALENCE CORRELATIONS.

Published in:

Lithuanian Journal of Physics, 2025, v. 65, n. 1, p. 32, doi. 10.3952/physics.2025.65.1.2

By:

Gaigalas, G.;
Rynkun, P.;
Kitovienė, L.

Publication type:

Article

SECOND-ORDER RAYLEIGH–SCHRÖDINGER PERTURBATION THEORY FOR THE G RASP 2018 PACKAGE: CORE–CORE CORRELATIONS.

Published in:

Lithuanian Journal of Physics, 2024, v. 64, n. 3, p. 139, doi. 10.3952/physics.2024.64.3.1

By:

Gaigalas, G.;
Rynkun, P.;
Kitovienė, L.

Publication type:

Article

Many-body Brillouin–Wigner second-order perturbation theory: A robust and efficient approach to the multireference correlation problem.

Published in:

International Journal of Quantum Chemistry, 2007, v. 107, n. 14, p. 2622, doi. 10.1002/qua.21514

By:

Papp, P.;
Mach, P.;
Hubač, I.;
Wilson, S.

Publication type:

Article

SECOND-ORDER RAYLEIGH–SCHRÖDINGER PERTURBATION THEORY FOR THE GRASP2018 PACKAGE: CORE CORRELATIONS.

Published in:

Lithuanian Journal of Physics, 2024, v. 64, n. 2, p. 73, doi. 10.3952/physics.2024.64.2.1

By:

Gaigalas, G.;
Rynkun, P.;
Kitovienė, L.

Publication type:

Article

Logarithmic perturbation theory for a spiked oscillator and sum rules.

Published in:

International Journal of Quantum Chemistry, 2005, v. 103, n. 1, p. 19, doi. 10.1002/qua.20472

By:

Bandyopadhyay, S. K.;
Bhattacharyya, K.

Publication type:

Article

Convergent perturbation theory and the strong-coupling limit in quantum electrodynamics.

Published in:

Theoretical & Mathematical Physics, 2023, v. 216, n. 3, p. 1360, doi. 10.1134/S0040577923090106

By:

Komarova, M. V.;
Nalimov, M. Yu.

Publication type:

Article

Perturbation Theory Near Degenerate Exceptional Points.

Published in:

Symmetry (20738994), 2020, v. 12, n. 8, p. 1309, doi. 10.3390/sym12081309

By:

Znojil, Miloslav

Publication type:

Article

Logarithmic enhancements in conformal perturbation theory and their real time interpretation.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2020, v. 35, n. 29, p. N.PAG, doi. 10.1142/S0217751X20501845

By:

Berenstein, David;
Miller, Alexandra

Publication type:

Article

Combinatorical analysis of the RayleighSchrödinger perturbation theory based on a circular scale of time.

Published in:

International Journal of Quantum Chemistry, 2004, v. 97, n. 3, p. 784, doi. 10.1002/qua.10776

By:

Olszewski, S.

Publication type:

Article

Invariant time-dependent exchange perturbation theory and its application to the particles collision problem.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2015, v. 134, n. 5, p. 1, doi. 10.1007/s00214-015-1646-2

By:

Orlenko, E. V.;
Latychevskaia, T.;
Evstafev, A. V.;
Orlenko, F. E.

Publication type:

Article

An alternative approximation to state-specific multireference second-order Brillouin-Wigner perturbation theory: size-extensivity correction.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2013, v. 132, n. 3, p. 1, doi. 10.1007/s00214-012-1325-5

By:

Aksu, H.

Publication type:

Article

An iterative perturbation theory with a Hamiltonian modifier.

Published in:

Journal of Mathematical Chemistry, 2011, v. 49, n. 3, p. 666, doi. 10.1007/s10910-010-9762-7

By:

Chaves, J.;
Barroso, J.;
Besalú, E.

Publication type:

Article

The overlap of numerical relativity, perturbation theory and post-Newtonian theory in the binary black hole problem.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2014, v. 23, n. 10, p. -1, doi. 10.1142/S0218271814300225

By:

Le Tiec, Alexandre

Publication type:

Article

Thermodynamic perturbation theory and equation of state developments.

Published in:

Condensed Matter Physics, 2021, v. 24, n. 3, p. 1, doi. 10.5488/CMP.24.33501

By:

Nezbeda, I.

Publication type:

Article

An Orbital-Free Quantum Hypernetted Chain Model Based Perturbation Theory for Equation of State of Hydrogen and Helium in Warm Dense Regime.

Published in:

Contributions to Plasma Physics, 2015, v. 55, n. 8, p. 606, doi. 10.1002/ctpp.201500053

By:

Sai Venkata Ramana, A.

Publication type:

Article

Many-body Brillouin-Wigner second-order perturbation theory: an application to the autoaromatisation of hex-3-ene-1,5-diyne (the Bergman reaction).

Published in:

Molecular Physics, 2008, v. 106, n. 1, p. 57, doi. 10.1080/00268970701832355

By:

Papp, P.;
Neogrady, P.;
Mach, P.;
Pittner, J.;
Hubacč, I.;
Wilson, S.

Publication type:

Article

Second-order generalized Van Vleck perturbation theory calculations of potential energy curves for the dissociation of the C-H bond in methane.

Published in:

Molecular Physics, 2007, v. 105, n. 19-22, p. 2819, doi. 10.1080/00268970701651698

By:

Azenkeng, Alexander;
Khait, Yuriy G.;
Hoffmann, Mark R.

Publication type:

Article

Thermodynamic perturbation theory of simple liquids. A hierarchy of equations for expansion coefficients.

Published in:

Journal of Structural Chemistry, 2011, v. 52, n. 4, p. 726, doi. 10.1134/S0022476611040123

By:

Pavlyukhin, Yu.

Publication type:

Article

Second order of perturbation theory correction to the radial distribution function of a liquid with the interaction potential of hard spheres plus a square-well.

Published in:

Journal of Structural Chemistry, 2007, v. 48, n. 1, p. 74, doi. 10.1007/s10947-007-0011-2

By:

Pavlyukhin, Yu.

Publication type:

Article

Substituent Effects on Hyperfine Coupling Constants Analyzed in Terms of <MATH>\pi</MATH>-Bound Electron Perturbation Theory.

Published in:

Journal of Structural Chemistry, 2003, v. 44, n. 5, p. 803, doi. 10.1023/B:JORY.0000029818.45976.b0

By:

Vysotskii, Yu. B.;
Bryantsev, V. S.

Publication type:

Article

Calculation of Thermodynamic Properties of Metals and Their Binary Alloys by the Perturbation Theory.

Published in:

Metals (2075-4701), 2021, v. 11, n. 10, p. 1548, doi. 10.3390/met11101548

By:

Bogdanova, Youlia Andreevna;
Gubin, Sergey Aleksandrovich;
Maklashova, Irina Vladimirovna

Publication type:

Article

PERTURBATION THEORY ABOUT GENERALIZED SELF-CONSISTENT FIELD SOLUTION.

Published in:

International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2005, v. 19, n. 14, p. 2225, doi. 10.1142/S021797920502978X

By:

YANG, C.;
KOCHARIAN, ARMEN N.;
CHIANG, Y. L.;
CHEN, L. Y.

Publication type:

Article

Applying eigenvalue perturbation theory to solve problems in structural dynamics.

Published in:

International Journal of Mechanical Engineering Education, 2008, v. 36, n. 2, p. 160, doi. 10.7227/IJMEE.36.2.6

By:

Cha, Philip D.;
Solberg, Keith A.

Publication type:

Article

New perspectives in multireference perturbation theory: the n-electron valence state approach.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2007, v. 117, n. 5/6, p. 743, doi. 10.1007/s00214-006-0207-0

By:

Angeli, Celestino;
Pastore, Mariachiara;
Cimiraglia, Renzo

Publication type:

Article

A derivation of the frozen-orbital unrestricted open-shell and restricted closed-shell second-order perturbation theory analytic gradient expressions.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2003, v. 110, n. 4, p. 233, doi. 10.1007/s00214-003-0453-3

By:

Aikens, Christine M.;
Webb, Simon P.;
Bell, Rob L.;
Fletcher, Graham D.;
Schmidt, Michael W.;
Gordon, Mark S.

Publication type:

Article

Maximum radius of convergence perturbation theory: test calculations on Be, Ne, H<sub>2</sub> and HF.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2003, v. 110, n. 3, p. 185, doi. 10.1007/s00214-003-0473-z

By:

Yokoyama, Kotaro;
Nakano, Haruyuki;
Hirao, Kimihiko;
Finley, James P.

Publication type:

Article

Convergent perturbation theory for studying phase transitions.

Published in:

Theoretical & Mathematical Physics, 2020, v. 204, n. 2, p. 1033, doi. 10.1134/S004057792008005X

By:

Nalimov, M. Yu.;
Ovsyannikov, A. V.

Publication type:

Article

Explicit Expressions for Timelike and Spacelike Observables of Quantum Chromodynamics in Analytic Perturbation Theory.

Published in:

Theoretical & Mathematical Physics, 2003, v. 135, n. 1, p. 531, doi. 10.1023/A:1023287519892

By:

D. S., Kurashev;
B. A., Magradze

Publication type:

Article

Second-order gauge-invariant perturbation theory and conserved charges in cosmological Einstein gravity.

Published in:

Turkish Journal of Physics, 2019, v. 43, n. 5, p. 493

By:

ALTAŞ, Emel

Publication type:

Article

基于微扰理论与抽样方法的临界实验数据不确定度分析研究.

Published in:

Atomic Energy Science & Technology, 2023, v. 57, n. 11, p. 2192, doi. 10.7538/yzk.2023.youxian.0023

By:

张振洋;
陈晓亮;
夏兆东;
宁通;
周琦

Publication type:

Article

Strongly nonlinear perturbation theory for solitary waves and bions.

Published in:: Evolution Equations & Control Theory, 2019, v. 8, n. 1, p. 1, doi. 10.3934/eect.2019001
Publication type:: Article

Slope and curvature of Isgur-Wise function using variationally improved perturbation theory in a quantum chromodynamics inspired potential model.

Published in:

Pramana: Journal of Physics, 2010, v. 75, n. 3, p. 423, doi. 10.1007/s12043-010-0128-2

By:

Hazarika, Bhaskar;
Choudhury, D.

Publication type:

Article

Non-perturbation theory of electronic dynamic conductivity for two-barrier resonance tunnel nano-structure.

Published in:

Condensed Matter Physics, 2011, v. 14, n. 4, p. 43702-1, doi. 10.5488/CMP.14.43702

By:

Tkach, M. V.;
Seti, Ju. O.;
Voitsekhivska, O. M.

Publication type:

Article

On General-Relativistic Lagrangian Perturbation Theory and Its Non-Perturbative Generalization.

Published in:

Universe (2218-1997), 2022, v. 8, n. 11, p. 583, doi. 10.3390/universe8110583

By:

Buchert, Thomas;
Delgado Gaspar, Ismael;
Ostrowski, Jan Jakub

Publication type:

Article

FRACTIONAL PERTURBATION THEORY.

Published in:

Journal of Fractional Calculus & Applications, 2020, v. 11, n. 1, p. 188

By:

BILDSTEIN, S.;
GRABOWSKI, M.

Publication type:

Article

Augmentation of the Optimised random phase approximation by use of mayer function as a new perturbation theory of simple fluids.

Published in:

Physics & Chemistry of Liquids, 2021, v. 59, n. 2, p. 196, doi. 10.1080/00319104.2019.1698039

By:

Khanpour, Mehrdad

Publication type:

Article

A Singular Perturbation Theory-Based Composite Control Design for a Pump-Controlled Hydraulic Actuator with Position Tracking Error Constraint.

Published in:

Actuators, 2023, v. 12, n. 7, p. 265, doi. 10.3390/act12070265

By:

Wang, Bing-Long;
Cai, Yan;
Song, Jin-Chun;
Liang, Qian-Kun

Publication type:

Article

APPLICATION OF THE SPECTRAL THEORY AND PERTURBATION THEORY TO THE STUDY OF ORNSTEIN-UHLENBECK PROCESSES.

Published in:

Carpathian Mathematical Publications / Karpats'kì Matematičnì Publìkacìï, 2018, v. 10, n. 2, p. 273, doi. 10.15330/cmp.10.2.273-287

By:

BURTNYAK, I. V.;
MALYTSKA, H. P.

Publication type:

Article

Nucleon Polarizabilities and Compton Scattering as Playground for Chiral Perturbation Theory.

Published in:

Symmetry (20738994), 2020, v. 12, n. 9, p. 1407, doi. 10.3390/sym12091407

By:

Hagelstein, Franziska

Publication type:

Article

Chiral Perturbation Theory at NNNLO.

Published in:

Symmetry (20738994), 2020, v. 12, n. 8, p. 1262, doi. 10.3390/sym12081262

By:

Hermansson-Truedsson, Nils

Publication type:

Article

g-FUNCTION IN PERTURBATION THEORY.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2004, v. 19, n. 15, p. 2545, doi. 10.1142/S0217751X04019469

By:

KONECHNY, ANATOLY

Publication type:

Article

A Cost-Effective Treatment of Spin–Orbit Couplings in the State-Averaged Driven Similarity Renormalization Group Second-Order Perturbation Theory.

Published in:

Molecules, 2025, v. 30, n. 9, p. 2082, doi. 10.3390/molecules30092082

By:

Wang, Meng;
Li, Chenyang

Publication type:

Article

Study of Spectroscopic Properties of Diatomic Molecules Based on High Orders of the Operator Perturbation Theory.

Published in:

Russian Physics Journal, 2015, v. 58, n. 4, p. 500, doi. 10.1007/s11182-015-0527-4

By:

Bekhtereva, E.;
Litvinovskaya, A.;
Konov, I.;
Gromova, O.;
Chertavskikh, Yu.;
Tse, Yang;
Ulenikov, O.

Publication type:

Article

On perturbation theory for an asymmetric anharmonic oscillator.

Published in:

Russian Physics Journal, 2009, v. 52, n. 1, p. 33, doi. 10.1007/s11182-009-9202-y

By:

Poluéktov, Yu. M.

Publication type:

Article

Chiral perturbation theory and nucleon-pion-state contaminations in lattice QCD.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2017, v. 32, n. 15, p. -1, doi. 10.1142/S0217751X17300113

By:

Bär, Oliver

Publication type:

Article

Vassiliev invariants for flows via Chern–Simons perturbation theory.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2021, v. 36, n. 15, p. N.PAG, doi. 10.1142/S0217751X21500895

By:

de-la-Cruz-Moreno, J.;
García-Compeán, H.;
López-González, E.

Publication type:

Article

Overlay Multicast Update Strategy Based on Perturbation Theory.

Published in:

KSII Transactions on Internet & Information Systems, 2017, v. 11, n. 1, p. 171, doi. 10.3837/tiis.2017.01.009

By:

Ye Shen;
Jing Feng;
Weijun Ma;
Lei Jiang;
Min Yin

Publication type:

Article

Anharmonic Vibrational Properties of Chlorocarbonyl Ketene Conformers Using Second-order Perturbation Theory.

Published in:

Acta Chimica Slovenica, 2008, v. 55, n. 1, p. 190

By:

Prakash Gupta, Ved;
Kumar Mishra, Abhishek

Publication type:

Article

Solvation of Two-dimensional Lennard-Jones Solutes. Thermodynamic Perturbation Theory and Monte Carlo Simulations.

Published in:

Acta Chimica Slovenica, 2007, v. 54, n. 3, p. 437

By:

Urbič, Tomaž;
Vlachy, Vojko

Publication type:

Article