Lorentzianadj.n.

/ləˈrɛntsɪən/

Forms: Also lorentzian.

Etymology: < Lorentz n. + -ian suffix.

Physics.

A. adj.

Of, pertaining to, or characteristic of Lorentz (see Lorentz n.), his theories, or the concepts arising out of his work; spec. designating a curve or function having the same form as that representing the intensity of a spectral emission line as a function of frequency in classical radiation theory.

ΘΚΠ

the world > matter > physics > relativity > space-time > [adjective] > relating to work of Lorentz

Lorentzian1958

1958 Physical Rev. 112 1940/2 Δ_v is the half-width of the atomic resonance at half-maximum intensity, assuming a Lorentzian line shape.

1967 E. U. Condon & H. Odishaw Handbk. Physics (ed. 2) viii. ix. 119/2 Homogeneous broadening yields Lorentzian line shapes whereas Gaussian line shapes occur when inhomogeneous broadening is involved.

1978 Nature 31 Aug. 903/1 In all twitch and most slow fibre junctions at negative voltages the spectral density of the fluctuations could be adequately fitted with a Lorentzian function.

1988 Nature 16 June 609/3 In the curve-fitting module, up to three peaks of different height, position, width and shape (gaussian, lorentzian or mixed) can be studied with various levels of noise superimposed.

1992 S. P. Maran Astron. & Astrophysics Encycl. 194/2 Fabry–Perot filters..are stable within the dimensional stability of the plate spacing and refractive index of the cavity medium. The transmission function is approximately Lorentzian in shape.

B. n.

A Lorentzian curve or function.

ΘΚΠ

the world > matter > physics > relativity > space-time > [noun] > equation relating co-ordinates > Lorentzian curve or function

Lorentzian1973

1973 Physics Bull. Jan. 51/1 It is intended..to deal in particular with aspects of the interpretation of experimental data such as multiple scattering and the unfolding of lorentzians.

1988 Nature 14 Apr. 661/2 Fitting the haloes by a gaussian or a lorentzian, we estimate a coupling range..which corresponds to the size of an insulin monomer or dimer.

This entry has not yet been fully updated (first published 1997; most recently modified version published online December 2020).

单词	lorentzian
释义	Lorentzianadj.n. /ləˈrɛntsɪən/ Forms: Also lorentzian. Etymology: < Lorentz n. + -ian suffix. Physics. A. adj. Of, pertaining to, or characteristic of Lorentz (see Lorentz n.), his theories, or the concepts arising out of his work; spec. designating a curve or function having the same form as that representing the intensity of a spectral emission line as a function of frequency in classical radiation theory. ΘΚΠ the world > matter > physics > relativity > space-time > [adjective] > relating to work of Lorentz Lorentzian1958 1958 Physical Rev. 112 1940/2 Δ_v is the half-width of the atomic resonance at half-maximum intensity, assuming a Lorentzian line shape. 1967 E. U. Condon & H. Odishaw Handbk. Physics (ed. 2) viii. ix. 119/2 Homogeneous broadening yields Lorentzian line shapes whereas Gaussian line shapes occur when inhomogeneous broadening is involved. 1978 Nature 31 Aug. 903/1 In all twitch and most slow fibre junctions at negative voltages the spectral density of the fluctuations could be adequately fitted with a Lorentzian function. 1988 Nature 16 June 609/3 In the curve-fitting module, up to three peaks of different height, position, width and shape (gaussian, lorentzian or mixed) can be studied with various levels of noise superimposed. 1992 S. P. Maran Astron. & Astrophysics Encycl. 194/2 Fabry–Perot filters..are stable within the dimensional stability of the plate spacing and refractive index of the cavity medium. The transmission function is approximately Lorentzian in shape. B. n. A Lorentzian curve or function. ΘΚΠ the world > matter > physics > relativity > space-time > [noun] > equation relating co-ordinates > Lorentzian curve or function Lorentzian1973 1973 Physics Bull. Jan. 51/1 It is intended..to deal in particular with aspects of the interpretation of experimental data such as multiple scattering and the unfolding of lorentzians. 1988 Nature 14 Apr. 661/2 Fitting the haloes by a gaussian or a lorentzian, we estimate a coupling range..which corresponds to the size of an insulin monomer or dimer. This entry has not yet been fully updated (first published 1997; most recently modified version published online December 2020). < adj.n.1958
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