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REMARKS ON E₁₁ APPROACH

H. MKRTCHYAN

Theoretical Physics Department, Yerevan Physics Institute, Alikhanian Br. St.2, Yerevan 375036, Armenia

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and

R. MKRTCHYAN

Theoretical Physics Department, Yerevan Physics Institute, Alikhanian Br. St.2, Yerevan 375036, Armenia

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https://doi.org/10.1142/S0217732306019645Cited by:0 (Source: Crossref)

Abstract

We consider a few topics in E₁₁ approach to superstrings/M-theory: even subgroups (Z₂ orbifolds) of E_n, n = 11, 10, 9 and their connection to Kac–Moody algebras, particularly to EE₁₁ subgroup of E₁₁; possible form of supersymmetry relation in E₁₁; decomposition of first fundamental representation l₁ w.r.t. the SO(10, 10) and its square-root at first few levels; particle orbit of l₁ ⋉ E₁₁. Possible relevance of coadjoint orbits method is noticed, based on a self-duality form of equations of motion in E₁₁.

Keywords:

PACS: 11.25.-w, 11.30.Pb, 11.25.Yb, 11.10.Kk

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