Diag psyche zfilters.m

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DIAG pulse sequence.

Syntax

    fid=diag_psyche_zfilters(spin_system,parameters,H,R,K,G,F)

Description

Phase-sensitive homonuclear DIAG pulse sequence using two unidirectional chirps as Z-filters

Arguments

parameters.rho0               initial state 

parameters.coil               detection state

parameters.spins              nuclei on which the sequence runs  

parameters.sweep              sweep widths (Hz)

parameters.npoints            number of points for both dimensions

parameters.tmix               mixing time (s)

parameters.g_amp              gradient amplitude in the PSYCHE element (T/m)

parameters.g_amp_filters      gradient amplitude in the z-filter (T/m)    
                                                               
parameters.dims               size of the sample (m)

parameters.npts               number of discretization points in the grid

parameters.sweep              spectral range (Hz)

parameters.npoints            number of points in the sweep

parameters.zerofill           number of points for the zero filling

parameters.diff               diffusion constant (m^2/s)

parameters.qfactor            Q factor 

H                             Fokker-Planck Hamiltonian

R                             Fokker-Planck relaxation superoperator

K                             Fokker-Planck kinetics superoperator

G                             Fokker-Planck gradient superoperators

F                             Fokker-Planck diffusion and flow superoperator

Returns

2D DIAG spectrum.

Notes

The last five parameters are built automatically by imaging.m context function when this sequence is called from that context.

See also

step.m, evolution.m, coherence.m, chirp_pulse_xy.m, shaped_pulse_xy.m

Version 1.10, authors: Marta Brucka, Maria Grazia Concilio