D-branes, tachyons and K-homology

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We present an overview of the ways in which D-brane charges are classified in terms of K-theory, emphasizing the natural physical interpretations of a homological classification within a topological setting.

Original languageEnglish
Pages (from-to)2297-2315
Number of pages19
JournalModern Physics Letters A
Issue number35
Publication statusPublished - 20 Nov 2002


  • B-fields
  • D-branes and K-theory
  • Non-BPS branes
  • Tachyon fields
  • Twisted K-theory

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