DMRG3S: strictly single-site DMRG subspace expansion (Hubig et al. 2015) - #460

Merged

lkdvos merged 19 commits into

QuantumKitHub:mainfrom

VinceNeede:vb-dmrg3s

Jul 25, 2026

Commits on Jul 24, 2026

feat: add post expansion algorithms

VinceNeede
authored and
lkdvos
committed
46a86d1
add tests for dmrg3s

VinceNeede
authored and
lkdvos
committed
80ade67
Style: runic

VinceNeede
authored and
lkdvos
committed
212aaf5
feat: add NoiseSchedule composition and ExponentialDecay threshold

VinceNeede
authored and
lkdvos
committed
d1b22bd
wip: fold DMRG3S/NoExpand into alg_gauge, single dispatch point

VinceNeede
authored and
lkdvos
committed
3eafe4a
runic styling

VinceNeede
authored and
lkdvos
committed
e38a99b
fixup! wip: fold DMRG3S/NoExpand into alg_gauge, single dispatch point

VinceNeede
authored and
lkdvos
committed
c8b7984
update DMRG interface

VinceNeede
authored and
lkdvos
committed
ec493e4
update test to new interface

VinceNeede
authored and
lkdvos
committed
6da8a6b
fix: update svd_trunc! call to use inner_alg_gauge for DMRG2 and DMRG

VinceNeede
authored and
lkdvos
committed
09d5732
remove type restriction in `fuser`

VinceNeede
authored and
lkdvos
committed
e88778e
construct combiner with `fuser` and reorder `pert` construction to mimic `MPO_AC_Hamiltonian`

VinceNeede
authored and
lkdvos
committed
bef5019
move update alg_gauge to local_update!

VinceNeede
authored and
lkdvos
committed
d4a0f06
update BlockTensorKit compatibility to version 0.3.15

VinceNeede
authored and
lkdvos
committed
196239d
add _get_combiner function and update gauge! to use MPO_AC_Hamiltonian for perturbation calculation

VinceNeede
authored and
lkdvos
committed
05711ee
change arguments order in `gauge[2]!` function

VinceNeede
authored and
lkdvos
committed
3fb1809
add reference for Hubig et al. 2015 in DMRG3S documentation

VinceNeede
authored and
lkdvos
committed
ae4d889
Remove NoExpand algorithm

VinceNeede
authored and
lkdvos
committed
d895a63
fixup! Remove NoExpand algorithm

VinceNeede
authored and
lkdvos
committed
0a64391

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DMRG3S: strictly single-site DMRG subspace expansion (Hubig et al. 2015) - #460

DMRG3S: strictly single-site DMRG subspace expansion (Hubig et al. 2015)#460
lkdvos merged 19 commits into
QuantumKitHub:mainfrom
VinceNeede:vb-dmrg3s

Commits on Jul 24, 2026

feat: add post expansion algorithms

add tests for dmrg3s

Style: runic

feat: add NoiseSchedule composition and ExponentialDecay threshold

wip: fold DMRG3S/NoExpand into alg_gauge, single dispatch point

runic styling

fixup! wip: fold DMRG3S/NoExpand into alg_gauge, single dispatch point

update DMRG interface

update test to new interface

fix: update svd_trunc! call to use inner_alg_gauge for DMRG2 and DMRG

remove type restriction in `fuser`

construct combiner with `fuser` and reorder `pert` construction to mimic `MPO_AC_Hamiltonian`

move update alg_gauge to local_update!

update BlockTensorKit compatibility to version 0.3.15

add _get_combiner function and update gauge! to use MPO_AC_Hamiltonian for perturbation calculation

change arguments order in `gauge[2]!` function

add reference for Hubig et al. 2015 in DMRG3S documentation

Remove NoExpand algorithm

fixup! Remove NoExpand algorithm