QMCPACK / QMCPACK/qmcpack

Bad Variance in LCAO code for single det calculation after long run

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bug
Dominant language
C++
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Merged PRs (30d)
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Description

Energy starts diverging after long runs (or large number of walkers) with unexplicable behavior.

This is the test case from Ken Jordan.

https://anl.box.com/s/64if0d8tuwonibaifbzgjgcpnrudq2un

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