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Functionality to time evolve WindowMPS states #196

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DaanMaertens
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I renamed the old "Window" branch to the more descriptive "TimeEvolved-WindowMPS". This closed the previous pull request, so I’ve created a new one. Below is the description from the original pull request for reference:

Adds timestep/timestep! functions to time evolve a WindowMPS with a window Hamiltonian. WindowMPS now has two extra type parameters to indicate whether the left and/or right infinite part are variable with regards to time evolution. When both are fixed the time evolution is equivalent to the one already available for WindowMPS in MPSKit.

A new struct WindowEnvhas been added that keeps track of the environments for a WindowMPS. Whenever leftenv/rightenv is called, there is an automated check that the left and rightstart of the finite part are correct (i.e. from the infinite part).

When merging the current master branch into branch for this pull request, I noticed that some parts of MPSKit were changed, resulting in conflicts. Below I’d like to discuss how my additions can be integrated with the current version of MPSKit.

@DaanMaertens
window stuff
bc6a466
@DaanMaertens
first test added
6b9359f
@DaanMaertens
untested update to windowtdvp
aed4a2c
@DaanMaertens
Merge branch 'master' into Windows
11b7573
@DaanMaertens
first version of new windowenv
78d4392
@DaanMaertens
some name changes
eacefe3
@DaanMaertens
first fixes
667fb8a
@DaanMaertens
Update windowenv.jl
ef56ad9
@DaanMaertens
some renaming
86ff2c1
@DaanMaertens
first version of windowtdvp
5e0ab02
@DaanMaertens
fix WindowMPS subtyping
a855e3f
@DaanMaertens
note change
e4242e2
@DaanMaertens
Update windowtdvp.jl
393786a
@DaanMaertens
tmp version for windowenv.jl
fe96dd7
@DaanMaertens
some refactoring
07d3269
@DaanMaertens
constructor for MultipliedOperator{Window}
f8c3071
@DaanMaertens
refactoring of tdvp sweep
8938f1b
@DaanMaertens
fixed wrong typing in windowtdvp.jl
06c856c
@DaanMaertens
cleanup of windowenv.jl
556b1b0
@DaanMaertens
changed windowmps related expvals
7f305d5
@DaanMaertens
now it will precompile
e98416a
@DaanMaertens
now timestep actually works
97e5438
@DaanMaertens
time_evolve! was not exported
7d0adc5
@DaanMaertens
cleanup
02ec8c1
@DaanMaertens
cleanup
8b4737a
@DaanMaertens
Update windowmps.jl
58e5192
@DaanMaertens
new timestep for WindowMPS
b6b0953
@DaanMaertens
better dispatching for window in expval
f2f4774
@DaanMaertens
forgot about time dependent stuff
fd4883f
@DaanMaertens
moved timedependence.jl
21be93c
DaanMaertens and others added 29 commits February 27, 2024 13:28
@DaanMaertens
Update windowtdvp.jl
5e34180
@DaanMaertens @github-actions
Formatter
7c83206 
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
@DaanMaertens
removed obselete exports
479018a
@DaanMaertens
Merge branch 'Windows' of https://github.com/maartenvd/MPSKit.jl into…
fce9d7a 
… Windows
@DaanMaertens @github-actions
Formatter
6063406 
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
@DaanMaertens @github-actions
Formatter
3dfb7ce 
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
@DaanMaertens
Formatter (I don't know what I'm doing)
a131db4
@DaanMaertens
fix copy for WindowMPS
6e1979b
@DaanMaertens
backwards compability
4937728
@DaanMaertens
fix multiplenv of lazysum
da044f1
@DaanMaertens
old part of expval for windowmps split off
ae5e070
@DaanMaertens
typing in corvector.jl
8b5e597
@DaanMaertens
Update timestep.jl
76a7755
@DaanMaertens
too much replace
ba48826
@DaanMaertens
Update find_groundstate.jl
b0ff4e9
@DaanMaertens
tests
7514ae3
@DaanMaertens
Rename FinEnv.jl to finenv.jl
c07a308
@DaanMaertens
WindowMPS docstring update
4f356b8
@DaanMaertens
WindowMPS env extra check
3c66740
@DaanMaertens
Formatter
bab6925
@DaanMaertens
updated docstring for windowtdvp
2e23fc5
@DaanMaertens
updated windowmps examples
ca4bf09
@DaanMaertens
small fix in find_groundstate.jl
04b10e9
@DaanMaertens
Merge branch 'master' into Windows
1f0099d
@DaanMaertens
fixed wrong merge for tests
4cca009
@DaanMaertens
forgot to fix everything last commit
142e409
@DaanMaertens
made environments(::WindowMPS) less strict
2ea9ee1
@DaanMaertens
Format of windowmps.jl
7fcf8a1
@DaanMaertens
Merge branch 'master' into TimeEvolved-WindowsMPS
d61e8ba 
Basis merge of master. The following things were hastily merged:

WindowArray (relax the vector typing?)
expectation value for window stuff
tests
@DaanMaertens DaanMaertens requested a review from lkdvos November 28, 2024 15:55
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