Demystifier's latest activity
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Demystifier replied to the thread Is the quantum wave function a real object or a mathematical tool?.Indeed, not only that I think that emergent relativity resolves the conceptual problems of quantum foundations, but also the conceptual... -
Demystifier reacted to Sambuco's post in the thread Is the quantum wave function a real object or a mathematical tool? with
Agree.
I haven't read his book "Field and their quanta", but I must say that many of the things he asserts in this paper are, at the very... -
Demystifier replied to the thread Graduate FDM as a physical substrate for the pilot wave, has this been examined?.There is such a formulation, but it is very complicated. https://arxiv.org/abs/1410.3676 -
Demystifier replied to the thread Graduate FDM as a physical substrate for the pilot wave, has this been examined?.@mzhb the pilot wave is not permeating space, if by space you mean the usual physical 3-dimensional space. The pilot wave lives in a... -
Demystifier reacted to Roberto Pavani's post in the thread Undergrad Why is gravity a fictitious force? with
Like.
Fair point. I should have said 'gravitational force', not 'gravity'. The distinction is precisely the one between Christoffel symbols... -
Demystifier reacted to Roberto Pavani's post in the thread Undergrad Gravity at large scales: force hierarchy or charge cancellation? with
Like.
You're right, I misused the term 'hierarchy problem', that's about the coupling constants in the action, not about cosmological... -
Demystifier replied to the thread Undergrad Why is gravity a fictitious force?.Gravity, of course, is not fictitious because the Riemann curvature is a tensor. But gravity is not the same thing as gravitational... -
Demystifier replied to the thread Undergrad Gravity at large scales: force hierarchy or charge cancellation?.You correctly explained why gravity is dominant at cosmological scales, but the hierarchy problem is not about the cosmological scales... -
Demystifier replied to the thread Undergrad Why is gravity a fictitious force?.There is an interesting similarity with magnetic force. The magnetic force on a point charge is orthogonal to its 3-velocity, so it does... -
Demystifier replied to the thread Graduate The Lagrangian of a free particle ##L=-m \, ds/dt##.In physics there are (at least) two notions of momenta, canonical momentum and kinetic momentum. The kinetic momentum is defined as... -
Demystifier replied to the thread Graduate Consistent histories -- particle positions prior to measurement.CH is not about what the reality is, but about what we can say about reality. It is a development and formalization of the Bohr's... -
Demystifier replied to the thread High School Do Dark Energy and the Casimir effect indicate Exotic Matter could exist?.Indeed, the harmonic oscillator potential in physics typically arises due to Taylor expansion around a local minimum of the potential... -
Demystifier reacted to PeterDonis's post in the thread High School Do Dark Energy and the Casimir effect indicate Exotic Matter could exist? with
Like.
That potential, if you try to think of it as valid for all ##r## out to infinity, is an idealization and never actually happens, just as... -
Demystifier reacted to Dale's post in the thread High School Do Dark Energy and the Casimir effect indicate Exotic Matter could exist? with
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I think that you can say that a bound state must have lower energy than an unbound state, regardless of where you set the zero. -
Demystifier reacted to PeterDonis's post in the thread High School Do Dark Energy and the Casimir effect indicate Exotic Matter could exist? with
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All this depends on where you set the "zero point" of energy--and you've implicitly made different choices for the two cases you...