Products defined in the context of noncommutative gauge theory allow for an interpolation between exact results on tachyon potentials at zero and large background B-fields. Techniques for computations of effective actions are transposed from the framework
[5]N.SeibergandE.Witten,StringTheoryandNoncommutativeGeometry,JHEP
9909(1999)032,hep-th/9908142.[6]S.R.Das,S.MukhiandN.V.Suryanarayana,DerivativeCorrectionsfromNoncommutativity,JHEP0108(2001)039,hep-th/0106024.
[7]S.R.DasandS.P.Trivedi,SupergravityCouplingstoNon-CommutativeBranes,
OpenWilsonLinesandGeneralisedStarProducts,JHEP0102(2001)046,hep-th/0011131.
[8]H.Liu, -TrekII: nOperations,OpenWilsonLinesandtheSeiberg–Witten
Map,Nucl.Phys.B614(2001)305-329,hep-th/0011125.
[9]S.Mukhi,StarProductsfromCommutativeStringTheory,Pramana58(2002)
21-26,hep-th/0108072.
[10]P.Grange,DerivativeCorrectionsfromBoundaryStateComputations,Nucl.
Phys.B649(2003)297-311,hep-th/0207211.
[11]S.MukhiandN.V.Suryanarayana,Open-StringActionsandNoncommutativity
BeyondtheLarge-BLimit,JHEP0211(2002)002,hep-th/0208203.
[12]P.Grange,Modi edStar-ProductsBeyondtheLarge-BLimit,Phys.Lett.B586
(2004)125-132,hep-th/0304059.
[13]A.SenandB.Zwiebach,Tachyoncondensationinstring eldtheory,JHEP
0003(2000)002,hep-th/9912249.
[14]S.L.Shatashvili,CommentontheBackgroundIndependentOpenStringTheory,
Phys.Lette.B311(1993)83-86,hep-th/9303143.
[15]S.L.Shatashvili,OntheProblemswithBackgroundIndependenceinStringThe-
ory,Alg.Anal.6(1994)215-226,hep-th/9311177.
[16]A.A.Gerasimov,S.L.Shatashvili,OnExactTachyonPotentialinOpenString
FieldTheory,JHEP0010(2000)034,hep-th/0009103.
[17]D.Kutasov,M.Mari noandG.Moore,SomeExactResultsonTachyonCon-
densationinStringFieldTheory,hep-th/0009148.
[18]D.Kutasov,M.Mari noandG.Moore,RemarksonTachyonCondensationin
SuperstringFieldTheory,hep-th/0010108.
[19]K.Dasgupta,S.Mukhi,G.Rajesh,NoncommutativeTachyons,JHEP0006
(2000)022,hep-th/0005006.
[20]E.Witten,Noncommutative
hep-th/000607.TachyonsAndStringFieldTheory,