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@article{562076, author = {Kluson, Josef}, article_location = {CERN}, article_number = {0408}, keywords = {tachyon condensation}, language = {eng}, issn = {1126-6708}, journal = {Journal of High Energy Physics}, title = {VACUUM STATES IN 2-D TACHYON EFFECTIVE ACTION}, volume = {2004}, year = {2004} }
TY - JOUR ID - 562076 AU - Kluson, Josef PY - 2004 TI - VACUUM STATES IN 2-D TACHYON EFFECTIVE ACTION JF - Journal of High Energy Physics VL - 2004 IS - 0408 SP - 044 EP - 044 SN - 11266708 KW - tachyon condensation N2 - In this paper we will study the ground states of the toy model of 2D closed string tachyon effective action. We will firstly construct the classical solutions of the tachyon effective action that do not induce backreaction on metric and dilaton. Then we will study the quantum mechanics of the zero mode of the tachyon field. We will find family of vacuum states labelled with single parameter. We will also perform the quantum mechanical analysis of the tachyon effective action when we take into account dynamics of nonzero modes. We will calculate the vacuum expectation values of components of the stress energy tensor and dilaton source and we will argue that there is not any backreaction on metric and dilaton. ER -
KLUSON, Josef. VACUUM STATES IN 2-D TACHYON EFFECTIVE ACTION. \textit{Journal of High Energy Physics}. CERN, 2004, roč.~2004, č.~0408, s.~044-64. ISSN~1126-6708.
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