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arXiv 0907.2358hep-thmath-phmath.MPnlin.SI
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具有导数δ函数势的一维玻色子的费米子对偶

Fermionic dual of one-dimensional bosonic particles with derivative delta function potential

B. Basu-Mallick, Tanaya Bhattacharyya

摘要:

研究了量子可积导数$δ$函数玻色气体的玻色-费米子对偶关系。特别地,对于两个玻色粒子具有导数$δ$ -函数相互作用的最简单情形,我们找到了一个具有非零零程相互作用的对偶费米子系统。这个对偶费米子系统的耦合常数与对应的玻色子系统的耦合常数和相应本征函数的质心动量的乘积成反比。

英文摘要:

We investigate the boson-fermion duality relation for the case of quantum integrable derivative $δ$-function bose gas. In particular, we find out a dual fermionic system with nonvanishing zero-range interaction for the simplest case of two bosonic particles with derivative $δ$-function interaction. The coupling constant of this dual fermionic system becomes inversely proportional to the product of the coupling constant of its bosonic counterpart and the centre-of-mass momentum of the corresponding eigenfunction.

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