D-branes on the null-brane
D-branes on the null-brane
复制标题
零膜上的 D 膜
DOI:
10.1088/1126-6708/2003/02/043
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发表时间:
2002
影响因子:
5.4
通讯作者:
Kazumi Okuyama
中科院分区:
文献类型:
--
作者:
Kazumi Okuyama
We study D-branes in the null-brane background. Using the covariant formalism of the worldsheet theory, we construct the boundary states describing D-branes on the null-brane. From the cylinder amplitudes, we find that the D-branes with codimension zero or two have time-dependent effective tensions.