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Implement imaginary time-propagation for all solvers #26
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Before embarking on this, we should talk to Rolf Myhre at NTNU. He started working on this (in collaboration with Simen and myself), but I am not updated on the current status. At any rate, there’s no reason to start from scratch.
Thomas Bondo Pedersen, Professor
Hylleraas Centre for Quantum Molecular Sciences
Department of Chemistry, University of Oslo
Email: [email protected]<mailto:[email protected]>
Phone: +47 22857182
Mobile: +47 94978990
On 4 Feb 2020, at 17:33, Øyvind Sigmundson Schøyen <[email protected]<mailto:[email protected]>> wrote:
In an attempt to find the (actual) OACCD ground state, we can try to implement an imaginary time-propagation scheme for the already existing time-dependent solvers. This would benefit from the change of convention of the time-dependent solvers as proposed by @halvarsu<https://github.com/halvarsu>.
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Hi, I did some stuff with this and it's probable somewhere on the
repository.
It worked for CCSD, but not particularly well.
…On 04.02.2020 21:08, Thomas Bondo Pedersen wrote:
Before embarking on this, we should talk to Rolf Myhre at NTNU. He
started working on this (in collaboration with Simen and myself), but
I am not updated on the current status. At any rate, there’s no reason
to start from scratch.
Thomas Bondo Pedersen, Professor
Hylleraas Centre for Quantum Molecular Sciences
Department of Chemistry, University of Oslo
Email: ***@***.******@***.***>
Phone: +47 22857182
Mobile: +47 94978990
On 4 Feb 2020, at 17:33, Øyvind Sigmundson Schøyen
***@***.******@***.***>> wrote:
In an attempt to find the (actual) OACCD ground state, we can try to
implement an imaginary time-propagation scheme for the already
existing time-dependent solvers. This would benefit from the change of
convention of the time-dependent solvers as proposed by
@halvarsu<https://github.com/halvarsu>.
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Good idea! We'll have a look at your implementation @rolfheil! |
There is a discussion of imaginary time propagation for time-dependent vibrational coupled-cluster (same underlying amplitude equations) in section H of this article: https://aip.scitation.org/doi/10.1063/1.5117207 |
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In an attempt to find the (actual) OACCD ground state, we can try to implement an imaginary time-propagation scheme for the already existing time-dependent solvers. This would benefit from the change of convention of the time-dependent solvers as proposed by @halvarsu.
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