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Predicting the Lifespan of Twisted String Actuators Using Empirical and Hybrid Machine Learning Approaches. [PDF]
Sensors (Basel)Nguyen H, Eang C, Lee S.
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One loop corrections to coupling constants in string effective field theory
, 1996 P. Marios Petropoulos
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International Journal of Modern Physics A, 1987
String theory has emerged as the leading candidate for a unified field theory of all known forces. However, it is impossible to trust the various phenomenological predictions of superstring theory based on classical solutions alone. It appears that the crucial problem of the theory, breaking ten dimensional space-time down to four dimensions, must be ...
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String theory has emerged as the leading candidate for a unified field theory of all known forces. However, it is impossible to trust the various phenomenological predictions of superstring theory based on classical solutions alone. It appears that the crucial problem of the theory, breaking ten dimensional space-time down to four dimensions, must be ...
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Covariant string field theory. II
Physical Review D, 1987The covariant string field theory is presented in its full detail for the closed-bosonic-string case. The properties of the interaction vertex of three closed strings are fully clarified. We thus establish the nilpotency of the full nonlinear Becchi-Rouet-Stora (BRS) transformation as well as the BRS invariance of our gauged-fixed action.
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Closed strings in open-string field theory
Physical Review Letters, 1987An explicit construction of closed-string states is given in terms of open-string oscillators acting on the open-string Fock vacuum. The closed-open-open coupling is computed for the graviton and agrees with the standard result. The closed string states are not annihilated by the Becchi-Rouet-Stora-Tyutin operator Q.
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Free heterotic string field theory
Physical Review D, 1987A gauge-fixed action is constructed for the free heterotic string based on the bosonic string and the Neveu-Schwarz-Ramond (NSR) superstring by the Becchi-Rouet-Stora-Tyutin approach. The field theory gives a balance condition; it replaces the Gliozzi-Scherk-Olive projector in the NS sector to eliminate the tachyons and to ensure that the states have ...
, Chen, , Yu
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2013
This thesis discusses several aspects of string field theory. The first issue is bosonic open-closed string field theory and its associated algebraic structure -- the quantum open-closed homotopy algebra. We describe the quantum open-closed homotopy algebra in the framework of homotopy involutive Lie bialgebras, as a morphism from the loop homotopy Lie
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This thesis discusses several aspects of string field theory. The first issue is bosonic open-closed string field theory and its associated algebraic structure -- the quantum open-closed homotopy algebra. We describe the quantum open-closed homotopy algebra in the framework of homotopy involutive Lie bialgebras, as a morphism from the loop homotopy Lie
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Nonpolynomial closed-string field theory
Physical Review D, 1990Recently, we announced the construction of a new nonpolynomial closed-string field theory which successfully reproduced all $N$-point tree amplitudes, thus solving a long-standing problem. This action generalized the four-string tetrahedron interaction that we introduced earlier, which was required to derive the Shapiro-Virasoro model. However, we gave
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