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Tachyon Condensation in SFT

Tachyon Condensation in SFT. Bosonic String - Tachyon. Sen's Conjectures (1999). Brane Tension = Vacuum Energy. Tachyon Condensation in SFT. Tachyon in GSO ( - ). Level truncation. Tachyon Condensation in S SFT. Vertex operators in pictures –1 and 0. E.Witten,(1986).

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Tachyon Condensation in SFT

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  1. Tachyon Condensationin SFT • Bosonic String - Tachyon • Sen's Conjectures (1999) • Brane Tension = Vacuum Energy • Tachyon Condensation in SFT • Tachyon in GSO ( - ) • Level truncation

  2. Tachyon Condensation in SSFT

  3. Vertex operators in pictures –1 and 0 E.Witten,(1986) I.A,, Medvedev, Zubarev (1990) Preitschopf, Thorn,Yost, (1990) Berkovits(1995) N.B.,Sen,Zviebach(2000) I.A, Belov, Koshelev, P.M. (2001)

  4. Vacuum String Field Theory on a non-BPS brane • I.A., Belov, Giryavets VSSFT

  5. Structure of new Q solution of E.O.M SFT in the background field ,

  6. E.O.M. Analog of Noncommutative Soliton in Strong Coupling Limit Gopakumar, Minwalla,Strominger

  7. Sliver I.A., Belov, Giryavets Marino, Schiappa

  8. SpecialSolutions (the ABC in pictures) • Sliver • Butterfly • Lump

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