The phase diagram of the one-dimensional quantum sine-Gordon system ($\beta ^{2}=4\pi)$ with a linear spatial modulation

Yumei Zhang; Zhiguo Wang

arxiv: cond-mat/0104161 · v1 · submitted 2001-04-10 · ❄️ cond-mat.str-el

The phase diagram of the one-dimensional quantum sine-Gordon system (β ²=4π) with a linear spatial modulation

Zhiguo Wang , Yumei Zhang This is my paper

classification ❄️ cond-mat.str-el

keywords modelbetalinearmodulationone-dimensionalquantumsine-gordonspatial

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The one-dimensional quantum sine-Gordon system with a linear spatial modulation is investigated in a special case, $\beta ^{2}$ =4$\pi $. The model is tranformed into a massive Thirring model and then is exactly diagonalized, the energy spetrum of the model is obtained. Our result clearly demonstrates that cancelling the cosine term without any considering is unadvisable.

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The phase diagram of the one-dimensional quantum sine-Gordon system (β ²=4π) with a linear spatial modulation

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