Table 1.

Notation Used in This Work

symbol	meaning
bi	coherent scattering length for atom i
i, j, k, ...	labels individual atoms
k, k	(neutron) wavevector and its magnitude
q, q	wavevector difference and its magnitude
qx, qy, qz	Cartesian components of q
r, r	point in 3D real space and its distance to the origin
x, y, z	Cartesian components of r
$I(\mathbf{q}),\overline{I}(\mathbf{q})$	intensity at detector, intensity per unit area
IΩ(q)	orientationally averaged intensity at detector
ı	−1
rD, rD	position of detector relative to sample; distance to detector
$\tilde{f}$	Fourier transform of real-space function f
ψ(r)	neutron wave function
βLA(z)	laterally averaged scattering length density, units length−2
$\overline{b}$	total transverse scattering per unit area, $\int \text{d}z\beta (z)$
$\tilde{\beta }(q)$	Fourier transform of β(z), units length−1
β(r)	instantaneous scattering length density
βw	bulk solvent scattering length density
B(r)	scattering-length-weighted distribution of pair separations
$\overline{B}(r)$	scattering-length-weighted distribution of pair separations, per unit area
⟨···⟩Ω	orientational average
A	area of a bilayer patch
Lx, Ly, Lz	dimensions of a simulation box