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Why phase errors affect the electron function more than amplitude errors

Overview of attention for article published in Acta crystallographica. Section A, Crystal Physics, Diffraction, Theoretical and General Crystallography, February 2008
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Article details
Title
Why phase errors affect the electron function more than amplitude errors
Published in
Acta crystallographica. Section A, Crystal Physics, Diffraction, Theoretical and General Crystallography, February 2008
DOI 10.1107/s0108767307067372
Pubmed ID
Authors
Abstract

If Fexp(ialpha) are the set of structure factors for a structure f, the amplitudes can be converted to those of an uncorrelated structure g (amplitude swapping) by multiplying each F by the positive number G/F. Correspondingly, the image f is convoluted with k, the Fourier transform of G/F; k has a large peak at the origin, so that f * k approximately f. For swapped phases, the image f is convoluted with l, the Fourier transform of exp(iDeltaalpha), where Deltaalpha, the phase difference between F and G, is a random variable; l does not have a large peak at the origin, so that f * l does not resemble f. The paper provides quantitative descriptions of these arguments.

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Mendeley demographics

Mendeley demographics

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.
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Geographical breakdown

Geographical breakdown
Country Count As %
United States 1 6%
Poland 1 6%
Germany 1 6%
Unknown 15 83%

Demographic breakdown

Readers by professional status
Readers by professional status Count As %
Student > Ph. D. Student 5 28%
Researcher 5 28%
Student > Doctoral Student 2 11%
Professor 2 11%
Professor > Associate Professor 2 11%
Other 1 6%
Unknown 1 6%
Readers by discipline
Readers by discipline Count As %
Agricultural and Biological Sciences 5 28%
Physics and Astronomy 3 17%
Chemistry 3 17%
Engineering 3 17%
Biochemistry, Genetics and Molecular Biology 1 6%
Other 1 6%
Unknown 2 11%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 March 2008.
All research outputs
#24,756,003
of 34,362,729 outputs
Outputs from Acta crystallographica. Section A, Crystal Physics, Diffraction, Theoretical and General Crystallography
#848
of 1,195 outputs
Outputs of similar age
#121,701
of 135,867 outputs
Outputs of similar age from Acta crystallographica. Section A, Crystal Physics, Diffraction, Theoretical and General Crystallography
#4
of 4 outputs
Altmetric has tracked 34,362,729 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,195 research outputs from this source. They receive a mean Attention Score of 3.5. This one is in the 19th percentile – i.e., 19% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 135,867 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 6th percentile – i.e., 6% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 4 others from the same source and published within six weeks on either side of this one.