Conformal field theory in Tomonaga-Luttinger model with $1/r^β$ type long-range interactions

Physics – Condensed Matter – Strongly Correlated Electrons

Scientific paper

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This paper is the final version. 23 pages, 11 figures

Scientific paper

10.1088/0305-4470/39/9/012

The validity of the CFT in the Tomonaga-Luttinger liquid with the $1/r^\beta$ type long-range interactions is discussed. The arguments by CFT for long-range forward scatterings predict the finite size corrections which depend on the power of the long-range interactions. Especially from finite size corrections in the ground state, we find the effective central charge deviates from $c=1$. These conformal arguments are numerically tested in the one particle excitations and the ground state.

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