unphysical

Adjective

Meaning

Not physical.

Not supported by, or contrary to, the laws of physics.

Synonyms

Examples

I'm very unphysical and graceless so basically if you save 10 people to be with you in a resistance movement, you would never save me. I'd be the last one. Connor Jessup

However, since s is an unphysical parameter, physical states must be left invariant by "s-evolution", and so the physical state space is the kernel of (this requires the use of a rigged Hilbert space and a renormalization of the norm). Source: Internet

However, the transient virtual photons of quantum electrodynamics may also adopt unphysical polarization states. Source: Internet

Richard Feynman considered potential flow to be so unphysical that the only fluid to obey the assumptions was "dry water" (quoting John von Neumann). Source: Internet

Such an interaction averts the unphysical Big Bang singularity, replacing it with a cusp-like bounce at a finite minimum scale factor, before which the Universe was contracting. Source: Internet

These solutions have so-called naked singularities that can be observed from the outside, and hence are deemed unphysical. Source: Internet

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