No-Ghost Theorem for Neveu-Schwarz String in 0-Picture via Similarity Transformation(String Field Theory and Related Aspects (SFT2010))
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概要
- 論文の詳細を見る
A proof of the no-ghost theorem for Neveu-Schwarz string in 0-picture is outlined in a manner using a similarity transformation. It is shown that a nontrivial metric consistent with the BRST cohomology is needed to define a positive semidefinite norm in the physical Hilbert space. The one-to-one correspondence between physical states in 0-picture and those in the conventional (-1)-picture are confirmed. As a by-product, we find a new inverse picturechanging operator, which is noncovariant but has nonsingular operator product with itself. A possibility to construct a new gauge-invariant superstring field theory is discussed.
- 2011-05-24
著者
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KOHRIKI Maiko
Yukawa Institute for Theoretical Physics, Kyoto University
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MURATA Masaki
Yukawa Institute for Theoretical Physics, Kyoto University
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Kunitomo Hiroshi
Kyoto Univ. Kyoto Jpn
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Kunitomo Hiroshi
Yukawa Institute For Theoretical Physics Kyoto University
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Kohriki Maiko
Yukawa Institute For Theoretical Physics Kyoto University
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Murata Masaki
Yukawa Institute For Theoretical Physics Kyoto University
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Murata Masaki
Institute of Physics AS CR:Yukawa Institute for Theoretical Physics, Kyoto University
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