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Perturbation theory

Known as: Perturbation (mathematics), First-order non-singular perturbation theory, Higher order terms 
Perturbation theory comprises mathematical methods for finding an approximate solution to a problem, by starting from the exact solution of a related… 
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Related topics

Related topics

50 relations
Approximation theoryBerry connection and curvatureBreit equationCell (microprocessor)

Broader (1)

Computational chemistry

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2008
Highly Cited
2008
A Semiblind Channel Estimation Approach for MIMO–OFDM Systems
In this paper, a very efficient semiblind approach that uses a training-based least square criterion along with a blind… 
Highly Cited
2004
Highly Cited
2004
Optimum design of a predistortion RF power amplifier for multicarrier WCDMA applications
This paper provides a design guide for optimum design of an RF power amplifier with a predistortion linearizer. For a two-tone… 
Highly Cited
2002
Highly Cited
2002
The outer evolution of instability-generated structure in radiatively driven stellar winds
We investigate stochastic structure in hot-star winds. The structure (i.e. inhomogeneities such as clumps and shocks) is… 
Highly Cited
1999
Highly Cited
1999
An In Situ X-Ray Absorption Spectroscopy Investigation of the Effect of Sn Additions to Carbon-Supported Pt Electrocatalysts Part I
Carbon-supported platinum (Pt/C) with an adsorbed layer of underpotential deposited (upd) Sn is a much better catalyst for the… 
Highly Cited
1999
Highly Cited
1999
Effect of the variation of electric-dipole moments on the shape of pressure-broadened atomic spectral lines
We derive a classical path expression for a pressure-broadened atomic spectral line shape that allows for an electric-dipole… 
Highly Cited
1994
Highly Cited
1994
Nanorheology of Confined Polymer Melts. 2. Nonlinear Shear Response at Strongly Adsorbing Surfaces
The linear-response effective shear moduli of polymer melts confined between strongly adsorbing surfaces (parallel plates of mica… 
Highly Cited
1991
Highly Cited
1991
The onset of intramolecular vibrational energy redistribution and its intermediate case: The ν1 and 2ν1 molecular beam, optothermal spectra of trifluoropropyne
Using the optothermal method for molecular beam, infrared spectroscopy, we have measured both the fundamental and first overtone… 
Review
1990
Review
1990
Optimization in simulation: Current issues and the future outlook
Simulation is commonly used to find the best values of decision variables for problems which defy analytical solutions. This… 
Highly Cited
1975
Highly Cited
1975
Rotational analysis of the 5933 Å band of NO2
Highly Cited
1948
Highly Cited
1948
Shapes of Nuclear Induction Signals
T HE equations of motion of the total nuclear magnetic moment in the nuclear induction experiment have been given by Bloch.’ He… 
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