By Kerson Huang
This fascinating publication presents the actual and mathematical historical past for a conception describing the universe as a quantum superfluid, and the way darkish power and darkish subject come up. proposing a unique idea spanning many various fields in physics, the main thoughts in every one box are introduced.The reader is just anticipated to grasp the rudiments of condensed topic physics, quantum box idea and basic relativity to discover this attention-grabbing new version of darkish subject and darkish strength as aspects of a cosmic superfluid.
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Extra resources for A Superfluid Universe
4] J. Polchinski, Nucl. Phys. B 231, 269 (1984). com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. 1 A Superﬂuid Universe master Halpern–Huang scalar ﬁeld The Gaussian ﬁxed point A free massless scalar ﬁeld is scale-invariant, corresponding to a ﬁxed point of RG called the Gaussian ﬁxed point. RG trajectories issue forth from this ﬁxed point, in all directions in the space of all possible Lagrangians. There are trajectories emanating along nontrivial directions, and these are UV trajectories on which the scalar ﬁeld is asymptotically free.
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.
S. Shellard, Cosmic Strings and Other Topological Defects (Cambridge University Press, 1994).  B. Gradwohl, G. Kalbermann, T. Piran, E. Bertschinger, Nucl. Phys. B 338, 371 (1990).  C. Xiong and K. Huang, Relativistic two-ﬂuid hefrodyamics with quantized vorticity from the nonlinear Klein–Gordon equation. )  M. Kalb and P. Ramond, Phys. Rev. D 9, 2273 (1974).  C. Pathinayake, A. Villenkin, B. Allen, Phys. Rev. D 37, 2872, (1988).  R. L. Davis and E. P. S. Shellard, Phys. Lett.