Khoury, Justin

Justin Khoury

Department of Physics & Astronomy
University of Pennsylvania
Philadelphia, PA 19104-6396

ArXivAn Alternative to Particle Dark Matter (2014)
. . . . . . . Superfluids and the Cosmological Constant Problem (May 2018)
. . . . . . . Accessibility Measure for Eternal Inflation (December 2019)
Articles: Physicist theorizes that dark matter is a superfluid, Williamson-Rea, Sept. 2018
Homepage  (World Science Festival)
YouTube: Alternatives to Inflation – lecture 1 (Feb 28, 2018)

Second email: January 27, 2020 at 11:47 AM

RE: Revisiting all your ArXiv articles today

Dear Prof. Dr. Justin Khoury:

We have begun to aggregate your ArXiv research and other references within one page within our website —  It goes back to our first email to you about a year ago. That began with your 2014 article,  An Alternative to Particle Dark Matter.  It seems everyone is idiosyncratic these days. In 2012 when John Baez told us we were idiosyncratic, we thought, “We’re such simpletons;  we must be overlooking really simple stuff. ” After all, we’re just high school people doing what we thought was a rather cool STEM project.

Just now, upon rediscovering my email  to you, it became clear that your work is among those whom we should be following much more closely.

I don’t believe you responded to our note below. If you did, would you please resend that response? If you didn’t respond, might you today?

Is this work just too naive to pursue further? Thank you.

Most sincerely,


First email: Tue, Feb 26, 2019, 11:17 PM

RE:  A rather different starting point for the universe.

Dear Prof. Dr. Justin Khoury:

I quickly became aware how idiosyncratic it is to view the universe in terms of the Planck base units and the 202 base-2 doublings, all taken together, giving us an approximate age and size of the universe. Albeit natural and logical, we know that is an entirely unorthodox view of the universe.

Now, having started to work through your ArXiv articles, I’ll be looking for any clues that might support our inherent assumptions or first principles. We know that it is a naive model of the universe. Our assumptions are simple:

  • The Planck Base Units are proper calculations and a real reality.
  • Each Planck base unit is defined by dimensionless constants that are also real.
  • The composite of the four base units is a sphere; perhaps it should be called a plancksphere.
  • That sphere is also defined by two basic formulas:
    e = mc^2
    c = ℓP divided by tP
  • Space and time are consider discrete, finite, and quantized, certainly not absolute.
  • Sphere-stacking as understood within cubic-close packing is the beginning of scaling, ostensibly doublings, and structure.
  • There are no less than 64-doublings prior to any possible measurements by CERN, SLAC, and any other accelerator or other known devices.

Might you comment?

Has some fundamental lemma been overlooked?

Thank you.

Most sincerely,

PS. To see a chart of the progression of these base units:

“There has been, in particle physics, this prejudice that symmetry is at the root of our description of nature,” said the physicist Justin Khoury of the University of Pennsylvania. “That idea has been extremely powerful. But who knows? Maybe we really have to give up on these beautiful and cherished principles that have worked so well. So it’s a very interesting time right now.” (tenth paragraph, Quanta Magazine, K.C. Cole, June 26, 2019)

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