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نمایش تعداد 1-10 از 3863
T-duality of O-plane action at order α
We use compatibility of O-plane action with nonlinear T-duality as a guiding principle to find all NS-NS couplings in the O-plane action at order $\\alpha'^2$. We find that the dilaton couplings appear in the string frame only via...
Preparation and Characterization of PVA/ZnO Nanocomposite
ZnO nanoparticles were synthesized by the sol-gel method. The nanoparticles were added to polyvinyl alcohol (PVA) biopolymer to compare the microstructural, mechanical, antibacterial and physical properties of bionanocomposite films reinforced...
Synthesis and crystal structure of N-(2-fluorobenzoyl)-N\\',N\\'-diisopropylphosphoric triamide
RC(O)NHP(O)X2, are potential O,O\\'-donor ligands for metal complexation, particularly for lanthanide ions.
Following the previous works about carbacylamidophosphates with a C(═O)NHP(═O) skeleton such as P(O)[NHC(O)C6H4(4-F)][HNC6H4CH3]2 and P(O)[NHC(O...
Superstring Scattering from O-planes
with the usual vertex operators are not gauge invariant, the above amplitudes are invariant. From the amplitude describing scattering of two NS-NS states off the O-plane, we find the low energy effective action of O-planes. The result shows a relative factor 2^{p...