743 citations · 9.4k across the 96 of their papers we have counts for
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hep-th2008★ 48 cited
The boundary state from open string fields
Michael Kiermaier, Yuji Okawa, Barton Zwiebach
We construct a class of BRST-invariant closed string states for any classical solution of open string field theory. The closed string state is a nonlinear functional of the open st…
hep-th2008★ 22 cited
One-Loop Riemann Surfaces in Schnabl Gauge
Michael Kiermaier, Barton Zwiebach
Due to a peculiar behavior at the open string midpoint, loop diagrams in Schnabl gauge were expected to fail to produce the relevant closed string moduli. We find that closed strin…