Changeset 19dcb933 in sasmodels for sasmodels/models/lamellar.py
- Timestamp:
- Sep 3, 2014 3:16:10 AM (10 years ago)
- Branches:
- master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
- Children:
- 1c7ffdc
- Parents:
- 87985ca
- File:
-
- 1 edited
Legend:
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sasmodels/models/lamellar.py
r5d4777d r19dcb933 5 5 ---------- 6 6 7 The scattering intensity *I( q)* is7 The scattering intensity *I(Q)* is 8 8 9 9 .. math:: 10 10 11 I( q) = 2\pi\frac{P(q){\delta q^2}11 I(Q) = 2\pi{P(Q) \over \delta Q^2} 12 12 13 13 … … 16 16 .. math:: 17 17 18 P( q) = \frac{2\Delta\rho^2}{q^2}(1-cos(q\delta)18 P(Q) = {2\Delta\rho^2 \over Q^2}(1-cos(Q\delta)) 19 19 20 20 21 21 where |delta| = bilayer thickness. 22 22 23 The 2D scattering intensity is calculated in the same way as 1D, where the *q*vector is defined as23 The 2D scattering intensity is calculated in the same way as 1D, where the $Q$ vector is defined as 24 24 25 25 .. math:: 26 26 27 q = \sqrt{q_x^2 q_y^2}27 Q = \sqrt{Q_x^2 + Q_y^2} 28 28 29 29 … … 32 32 (Kline, 2006). 33 33 34 .. figure:: img/ image135.jpg34 .. figure:: img/lamellar_1d.jpg 35 35 36 36 1D plot using the default values (w/1000 data point).
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