Superfluid Vacuum Theory - Wikipedia
Superfluid Vacuum Theory - Wikipedia
Superfluid Vacuum Theory - Wikipedia
theory
History
The concept of a luminiferous aether as a
medium sustaining electromagnetic
waves was discarded after the advent of
the special theory of relativity, as the
presence of the concept alongside special
relativity leads to several contradictions; in
particular, aether having a definite velocity
at each space-time point will exhibit a
preferred direction. This conflicts with the
relativistic requirement that all directions
within a light cone are equivalent.
However, as early as in 1951 P.A.M. Dirac
published two papers where he pointed
out that we should take into account
quantum fluctuations in the flow of the
aether.[1][2] His arguments involve the
application of the uncertainty principle to
the velocity of aether at any space-time
point, implying that the velocity will not be
a well-defined quantity. In fact, it will be
distributed over various possible values. At
best, one could represent the aether by a
wave function representing the perfect
vacuum state for which all aether
velocities are equally probable.
Cosmological constant …
See also
Analog gravity
Acoustic metric
Bose–Einstein condensate
Casimir vacuum
Hawking radiation
Induced gravity
Logarithmic Schrödinger equation
Planck scale
Planck units
Hořava–Lifshitz gravity
Quantum gravity
Quantum realm
Sonic black hole
Vacuum energy
De Broglie–Bohm theory
Hydrodynamic quantum analogs
Notes
1. The term "small" refers here to the
linearized limit, in practice the values
of these momenta may not be small at
all.
2. If one expands the Higgs potential
then the coefficient at the quadratic
term appears to be negative. This
coefficient has a physical meaning of
squared mass of a scalar particle.
References
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there an Æther?". Letters to Nature.
Nature. 168 (4282): 906–907.
Bibcode:1951Natur.168..906D .
doi:10.1038/168906a0 .
2. Dirac, P. A. M. (April 26, 1952). "Is there
an Æther?". Nature. 169 (4304): 702.
Bibcode:1952Natur.169..702D .
doi:10.1038/169702b0 .
3. Sinha, K. P.; Sivaram, C.; Sudarshan, E.
C. G. (1976). "Aether as a superfluid
state of particle-antiparticle pairs".
Foundations of Physics. Springer
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9018 .
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"The superfluid as a source of all
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. G. E. Volovik, The Universe in a helium
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7. N. N. Bogoliubov, Izv. Acad. Nauk
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1040 (1968). This paper was reprinted
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14. L.D. Landau and E.M. Lifshitz, The
Classical Theory of Fields, (1951),
Pergamon Press, chapter 11.96.
15. Bednyakov, V. A.; Giokaris, N. D.;
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(March 15, 1973). "Radiative
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11 (3): 325–335. arXiv:1204.6380 .
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