Магнiтне поле космiчних струн у ранньому Всесвiтi

• Дата: 2018
• Автори: Zadorozhna, L. V., Hnatyk, B. I., Sitenko, Yu. A.
• Формат: Стаття
• Мова: English; Ukrainian
• Опубліковано: Publishing house "Academperiodika" 2018
• Теми: космiчнi струни; фазовий перехiд; вакуумний поляризацiйний ефект; ультрарелятивiстська плазма; вакуум псевдоскалярної матерiї iз заряджених пiонiв; ударна хвиля обтiкання; магнiтна трубка; cosmic string; phase transitions; vacuum polarization effect; ultrarelativistic plasma; vacuum of pseudoscalar matter consisting of charged pions; bow shock; magnetic tube
• Онлайн доступ: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018308
• Назва журналу: Ukrainian Journal of Physics

Cosmic strings are topological defects which can be formed as a result of phase transitions with a spontaneous symmetry breaking in the early Universe. The possibility of the generation of a magnetic field around a cosmic string on the Grand Unification energy scale (GUT scale) in the early Universe immediately after the termination of the deconfinement-confinement phase transition has been analyzed. It is found that a circular current and a magnetic field directed along the string are induced around the string in the vacuum of a pseudoscalar matter consisting of charged pions. We also have studied the interaction between the magnetic flux tube surrounding the string (the string magnetosphere) and the cosmic plasma in the early Universe. A possibility of magnetization of the cosmic plasma surrounding the string owing to its interaction with the string magnetic field has been analyzed.