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Construction of AFLT States for W_NH Symmetry, Analytic Continuation and Integrability on AGT Relation
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作者 刘知胜 寿暴 +2 位作者 吴剑锋 续莺莺 喻明 《Communications in Theoretical Physics》 SCIE CAS CSCD 2015年第4期487-498,共12页
We propose a Hamiltonian to the construction of the AFLT states for WNsymmetry. We generalize the AGT relation to generic(extended) conformal field theory with 1 ≤ c < ∞. We analyze the triangular structure hidde... We propose a Hamiltonian to the construction of the AFLT states for WNsymmetry. We generalize the AGT relation to generic(extended) conformal field theory with 1 ≤ c < ∞. We analyze the triangular structure hidden in the AGT relation with WNsymmetry in detail and the triangular structure implies the integrability. 展开更多
关键词 AGT relation AFLT state WNalgebra Jack polynomial
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Recursions in Calogero-Sutherland Model Based on Virasoro Singular Vectors
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作者 吴剑锋 续莺莺 喻明 《Communications in Theoretical Physics》 SCIE CAS CSCD 2012年第5期743-758,共16页
The present work is much motivated by finding an explicit way in the construction of the Jack symmetric function,which is the spectrum generating function for the Calogero-Sutherland (CS) model.To accomplish this work... The present work is much motivated by finding an explicit way in the construction of the Jack symmetric function,which is the spectrum generating function for the Calogero-Sutherland (CS) model.To accomplish this work,the hidden Virasoro structure in the CS model is much explored.In particular,we found that the Virasoro singular vectors form a skew hierarchy in the CS model.Literally,skew is analogous to coset,but here specifically refer to the operation on the Young tableaux.In fact,based on the construction of the Virasoro singular vectors,this hierarchical structure can be used to give a complete construction of the CS states,i.e.the Jack symmetric functions,recursively.The construction is given both in operator formalism as well as in integral representation.This new integral representation for the Jack symmetric functions may shed some insights on the spectrum constructions for the other integrable systems. 展开更多
关键词 Calogero-Sutherland model Jack symmetric function recursion relations integral representation
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Integrability and Transition Coefficients Related to Jack Polynomials
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作者 刘知胜 续莺莺 喻明 《Communications in Theoretical Physics》 SCIE CAS CSCD 2014年第5期611-618,共8页
Integrability plays a central role in solving many body problems in physics. The explicit construction of the Jack polynomials is an essential ingredient in solving the Calogero–Sutherland model, which is a one-dimen... Integrability plays a central role in solving many body problems in physics. The explicit construction of the Jack polynomials is an essential ingredient in solving the Calogero–Sutherland model, which is a one-dimensional integrable system. Starting from a special class of the Jack polynomials associated to the hook Young diagram, we find a systematic way in the explicit construction of the transition coefficients in the power-sum basis, which is closely related to a set of mutually commuting operators, i.e. the conserved charges. 展开更多
关键词 Jack polynomial Hook Young diagram conserved quantities
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