Quantum Phase Transition of the Twisted Spin Tube
Yuta Tachibana, Yuki Ueno, Tomosuke Zenda, Kiyomi Okamoto, Toru, Sakai
TL;DR
This paper investigates how lattice distortion affects the quantum phase transition in a twisted three-leg spin tube, revealing a transition from a spin gap phase to another phase.
Contribution
It introduces a detailed numerical analysis of the quantum phase transition induced by lattice distortion in a twisted spin tube.
Findings
Quantum phase transition from spin gap to another phase due to lattice distortion
Identification of critical points using numerical diagonalization
Analysis of phase behavior with phenomenological renormalization group
Abstract
The twisted three-leg spin tube with the lattice distortion from the regular triangle to the isosceles one is investigated using the numerical diagonalization of finite-size clusters and the phenomenological renormalization group analysis. It is found that the quantum phase transition occurs from the spin gap phase to another one with respect to this lattice distortion.
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