45 citations · 441 across the 39 of their papers we have counts for
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hep-th2014★ 24 cited
Quasi-Nambu-Goldstone modes in nonrelativistic systems
Muneto Nitta, Daisuke A. Takahashi
When a continuous symmetry is spontaneously broken in nonrelativistic systems, there appear either type-I or type-II Nambu-Goldstone modes (NGMs) with linear or quadratic dispersio…
hep-th2012★ 29 cited
Constraints on a class of classical solutions in open string field theory
Toru Masuda, Toshifumi Noumi, Daisuke Takahashi
We calculate boundary states for general string fields in the KBc subalgebra under some regularity conditions based on the construction by Kiermaier, Okawa, and Zwiebach. The resul…
hep-th2011★ 16 cited
The boundary state for a class of analytic solutions in open string field theory
Daisuke Takahashi
We construct a boundary state for a class of analytic solutions in the Witten's open string field theory. The result is consistent with the property of the zero limit of a propagat…