Astrophysics Space Science

Download PDF by Kerson Huang: A Superfluid Universe

By Kerson Huang

ISBN-10: 9813148454

ISBN-13: 9789813148451

This fascinating publication presents the actual and mathematical history for a concept describing the universe as a quantum superfluid, and the way darkish strength and darkish topic come up. offering a unique thought spanning many various fields in physics, the major techniques in every one box are introduced.The reader is just anticipated to understand the rudiments of condensed topic physics, quantum box conception and common relativity to discover this interesting new version of darkish topic and darkish power as aspects of a cosmic superfluid.

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Extra resources for A Superfluid Universe

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When the F2 factor is present, the cosmic string is said to be “coupled to a scalar field”. In our theory, of course, they all arise from the same order parameter, and are inseparable. We emphasize again that the above is no more than a rewriting of the NLKG, and for numerical studies, it is more efficient to solve the NLKG directly. References [1] K. S. Schwarz, Phys. Rev. B 31, 5782 (1985); Phys. Rev. 38, 2389 (1988). com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. Quantum turbulence master 33 [2] R.

For personal use only. master P Λ=∞ Fig. 4 The dotted line represents an IR trajectory, which is a limiting trajectory that is a boundary between two phases of the system. Any point on this trajectory is equivalent to the fixed point, with Λ = ∞. One can approach the fixed point by going along a path P, on which the system falls like a rock into a bottomless canyon. a limiting one that is a boundary separating two different phases, for example one with spontaneous symmetry and one without. One cannot place a system on it, but only approach it along some path P, as shown in Fig.

Xiong, M. Liu, K. Huang, Phys. Rev. 0779. com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. 1 A Superfluid Universe master Renormalization Virtual processes in quantum field theory In quantum field theory, there are quantum fluctuations, due to virtual processes that do not exist in classical field theory. These virtual processes occur in the vacuum all the time. An electron would feel it and exhibit observable effects such as the Lamb shift and the anomalous magnetic moment. The virtual processes have a momentum spectrum that extend to infinity, and we must cut off the high end at some momentum Λ0 , or else they cause divergences in scattering matrix elements.

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A Superfluid Universe by Kerson Huang

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