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==== | ||
Madwave3: quantum wavepacket of triatomic systems | ||
==== | ||
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It is a fortran77 code, parallelized with MPI and openMP, | ||
for the quantum propagation wave packets describing dynamics in triatomic systems, | ||
for treating state-to-state reactive and inelastic scattering:: | ||
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$ 01(v,j) + 2 --> 02(v',j') + 1 | ||
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and photodissociation:: | ||
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$ 01-2 +h nu --> 01(v,j) +2 | ||
$ --> 02(v',j') + 1 | ||
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in several electronic states, which are considered to be | ||
diabatic (diagonal) in the 01+2 reactant channel, and non-diagonal | ||
for 02+1 product channel as a general situation. | ||
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The user-provided potential must be set for each particular 012 system, | ||
according to the examples. For photodissociation, the electric-dipole | ||
transition moments between the initial (adiabatic) and the final | ||
electronic states need also to be be provided. | ||
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The main program is mad3.out for the wave packet propagation, but | ||
also a bound state program, bndgrid.out, to calculate the initial vibrational | ||
state for photodissociation. There are other auxiliary programs to | ||
calculate the reactive/inelastic cross sections | ||
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Installation | ||
============ | ||
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All source programs (in fortran) and examples are downloaded by cloning | ||
the repository:: | ||
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$ git clone https://github.com/octavioroncero/madwave3 | ||
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that will create the directory madwave3 with 4 sub-directories | ||
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BIN EXAMPLES PES SRC | ||
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For the instalation of the general purpose program:: | ||
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$ cd BIN | ||
$ source ./colmad3.sh | ||
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and it will create 10 executables | ||
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bndgrid.out cheby-spectra.out cip.out colmad3.sh crp.out distri.out distriREAC.out mad3.out rate.out rates2s.out sigma.out | ||
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which are independent on the potential used. | ||
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mad3.out (and bndgrid.out) read the potential, fragments wave functions and electric dipole moments in | ||
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../pot ../func ../dip ../bnd (the 2 last in the case of photodissociation) | ||
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in which the user-provided potential program write the required information. | ||
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An example (for H+HD using the BKMP2 PES) can be found in directory | ||
EXAMPLES/H+DH-v0j0:: | ||
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$ ./colpot.sh | ||
$ ./pot.out | ||
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will generate that information. | ||
colpot.sh is a shell that compile the potential to generate pot.out, | ||
providing an example of adapting a external potential | ||
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It uses the data in "input.dat" organized in different namelist | ||
which is also used by mad3.out code to calculate state-to-state reation | ||
probabilities for each partial wave (total angular momenbtum J) | ||
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