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SUMMARY:String mechanism for mass generation in a gas of thin tubes of a m
 assless scalar field
DTSTART;VALUE=DATE-TIME:20261027T162500Z
DTEND;VALUE=DATE-TIME:20261027T163000Z
DTSTAMP;VALUE=DATE-TIME:20261030T142127Z
UID:indico-contribution-6451@cern.ch
DESCRIPTION:Speakers: Мария Демиденко ()\nThe gas of thin tu
 bes of a massless scalar field (TToMSF) could have been formed at the earl
 iest stages of the evolution of the Universe and\, as a result\, could hav
 e influenced all processes in its evolution. The feature of TToMSF gas is 
 that the parameter of the equation of state of such a gas depends on the d
 ensity of the gas. As a result\, local equations of state can be realized 
 in TToMSF gas\; this may alleviate tensions within the standard cosmologic
 al model associated with the inhomogeneity of structure growth in the Univ
 erse and the significantly higher inhomogeneity of the observed Universe. 
 At the same time\, the gravitational interaction between individual TToMSF
 s in the gas can lead to the generation of particles with an effective non
 -zero rest mass\, which\, taken together\, allows us to classify the TToMS
 F gas not only as a dynamical dark energy model\, but also as a unified da
 rk fluid model. In this work\, we investigated possible trajectories of a 
 test null string in the gravitational field of an ``early’’ thin close
 d tube of a massless scalar field that radially increases or decreases its
  size. We have shown that the test null string experiences a ``strong'' gr
 avitational attraction at each segment of its trajectory\, which is capabl
 e of changing the nature of the motion of the test null string to the oppo
 site. This feature of interaction may indicate the possibility of realizin
 g a scenario of long-term self-consistent motion of two closed TToMSFs wit
 hin a spatially limited region. At the same time\, such gravitating system
 s can be interpreted as particles with an effective non-zero rest mass.\n\
 nhttps://indico.particle.mephi.ru/event/626/contributions/6451/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6451/
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