Physics
On the quantum nature of a fireball created in ultrarelativistic nuclear collisions
V.N. Karazin
In the article, the fireball formed in the collision of relativistic nuclei is considered as a quantum object. Based on this, an attempt is made to explain the difference in the measurements of hyperon yields in the two experiments - NA49 and NA57. Using the basic principles of quantum mechanics, it...
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Effective action of string theory at order α in the presence of boundary
Mohammad R. Garousi
Mohammad R. Garousi
Institution: Department of Physics, Faculty of Science, Ferdowsi University of Mashhad,
Email: garousi@um.ac.ir
Recently, using the assumption that the string theory effective action at the critical dimension is background independent, the classical on-shell effective action of the bosonic string theory at order α in a spacetime manifold without boundary has been reproduced, up to an overall parameter, by im...
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Gravitational Fields and Gravitational Waves
Tony Yuan
The relative velocity between objects with finite velocity affects the reaction
between them. This effect is known as general Doppler effect. The Laser Interferometer
Gravitational-Wave Observatory (LIGO) discovered gravitational waves and found their
speed to be equal to the speed of light c. Gr...
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