A COMMENT ON THE FEYNMAN PATH-INTEGRAL METHOD FOR A POLARON IN A MAGNETIC-FIELD

被引:4
作者
DEVREESE, JT
BROSENS, F
机构
[1] ANTWERP STATE UNIV CTR,B-2020 ANTWERP,BELGIUM
[2] EINDHOVEN UNIV TECHNOL,5600 MB EINDHOVEN,NETHERLANDS
[3] NATL FUND SCI RES,BRUSSELS,BELGIUM
关键词
D O I
10.1016/0038-1098(91)90928-O
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
On the basis of an exactly diagonalizable linearized polaron model, it is shown that the trial wave function proposed by Larsen does not yield the exact energy in the asymptotic high magnetic field limit. Although the application of the Feynman path-integral treatment to a polaron in a magnetic field does not guarantee an upper limit for the ground state energy, Larsen's treatment does not provide an exact counterexample.
引用
收藏
页码:583 / 584
页数:2
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