HETEROTIC STRINGS IN A UNIFORM MAGNETIC-FIELD

被引：35
|
作者：
RUSSO, JG [1 ]
TSEYTLIN, AA [1 ]
机构：
[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,BLACKETT LAB,THEORET PHYS GRP,LONDON SW7 2BZ,ENGLAND
来源：
NUCLEAR PHYSICS B | 1995年 / 454卷 / 1-2期
关键词：
D O I：
10.1016/0550-3213(95)00430-Z
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
An exact conformal model representing a constant magnetic field background in heterotic string theory is explicitly solved in terms of free creation/annihilation operators. The spectrum of physical states is examined for different possible embeddings of the magnetic U(1) subgroup. We find that an arbitrarily small magnetic field gives rise to an infinite number of tachyonic excitations corresponding to charged vector states of the massless level and to higher level states with large spins and charges.
引用
收藏
页码：164 / 184
页数：21
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