Update: Does the Planck scale imply that spacetime is discrete?
23359
Does the Planck scale imply that spacetime is discrete?
104244
Is the Momentum Operator a Postulate?
100386
Curvature of spacetime as a real thing?
107647
The uncertainty principle and black holes
144208
Does String theory say that spacetime is not fundamental but should be considered an emergent phenomenon?
37840
Does the Levi-Civita connection determine the metric?
591
Reason for the discreteness arising in quantum mechanics?
129139
Is every discrete absolute value non-archimedean?
1584
Why does spin have a discrete spectrum?
20557
Does the curvature of spacetime theory assume gravity?
9463
What is the proof that the universal constants ($G$, $\hbar$, $\ldots$) are really constant in time and space?
122357
Discreteness of Spacetime and Violation of Lorentz symmetry
100530
Why does time in Minkowski's space have the opposite sign of the space coordinates?
152198
Is it possible for $\Delta x$ ($\sigma_x$) of any free particle wave packet to be decreasing at any time?
8760
Is the harmonic oscillator potential unique in having equally spaced discrete energy levels?
100972
Can someone explain Planck's constant simply?
156467
Does $\langle\Omega|\mathrm{e}^{\mathrm{i}Px}=\langle\Omega|\mathrm{e}^{\mathrm{i}0x}$? $(\langle\Omega| =$ ground state of the interacting theory)