Perturbations of Q-balls: from spectral structure to radiation pressure

被引：4

作者：

Ciurla, Dominik ^{[1
,5
]}

Dorey, Patrick ^{[2
]}

Romanczukiewicz, Tomasz ^{[1
]}

Shnir, Yakov ^{[3
,4
]}

机构：

[1] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, Lojasiewicza 11, Krakow, Poland

[2] Univ Durham, Dept Math Sci, Stockton Rd, Durham DH1 3LE, England

[3] Carl von Ossietzky Univ Oldenburg, Inst Phys, Carl v Ossietzky str 9-11, D-26111 Oldenburg, Germany

[4] Hanse Wissensch Skolleg, Lehmkuhlenbusch 4, D-27753 Delmenhorst, Germany

[5] Jagiellonian Univ, Doctoral Sch Exact & Nat Sci, Lojasiewicza 11, Krakow, Poland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 07期

关键词：

Field Theories in Lower Dimensions; Solitons Monopoles and Instantons; QUASI-NORMAL MODES; SOLITONS;

D O I：

10.1007/JHEP07(2024)196

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：

We investigate Q-balls in a 1+1 dimensional complex scalar field theory. We find that the relaxation of a squashed Q-ball is dominated by the decay of a normal mode through nonlinear coupling to scattering modes and a long-lasting quasi-normal mode. We also study how these Q-balls behave when exposed to scalar radiation, finding that for certain conditions they can experience negative radiation pressure.

引用

页数：20

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