Ashkin-Teller量子链的玻色化形式及其新的临界点

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Ashkin-Teller量子链的玻色化形式及其新的临界点

物理学报, 1997, 46(5): 841-845.

DOI: 10.7498/aps.46.841

CSTR: 32037.14.aps.46.841

THE BOSONIZATION FORM AND NEW CRITICAL REGION OF THE QUANTUM ASHKIN-TELLER CHAIN

Acta Phys. Sin., 1997, 46(5): 841-845.

DOI: 10.7498/aps.46.841

CSTR: 32037.14.aps.46.841

摘要

运用连续极限和玻色化方法讨论了Ashkin-Teler量子链的临界点，验证了其他作者给出的临界条件，并预言了Ashkin-Teler量子链可能存在新的临界点
Abstract
In the continuum limit, the critical phenomenon of the quantum Ashkin-Teller(A-T) chain is discussed by the bosonization method. A new critical region of the A-T chain besides the Ising decoupling point has been found.
作者及机构信息
王治国,

许伯威
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