What is the mechanism for expansion

[wolram]

if space is expanding and we take it that it is quantasized
into Planckian units of invariant dimensions what is the
mechanism for expansion, do these Planck quanta multiply?
or have i misunderstood the concept?

 

[meteor]

Hi, in LQG the nodes of spin networks carry quantities of volume associated to them, so you must to understand firstly what an spin network is: a collection of edges and nodes forming a graph
Anyway this graph is not still: Is always evolving thanks to the Hamiltonian constraint, that guides his evolution, so new nodes can appear in the graph (and then new quantized cells of volume). Also, think that a node that was originating a quantized cell of space can then enter inside of an object and give to it some quantity of volume (this has been called by some authors as Einsteinian alchemy)

 

[R0man]

The mechanism for expansion in the context of space being quantized into Planck units is still a subject of ongoing research and debate in the field of physics. One proposed explanation is that the expansion of space is driven by a mysterious force called dark energy, which is thought to make up about 68% of the total energy in the universe. This force is believed to be responsible for the acceleration of the expansion of the universe.

In terms of the Planck units, it is important to note that these units are not physical objects, but rather represent the smallest possible units of measurement in the universe. Therefore, they cannot be multiplied or divided in the traditional sense. However, some theories suggest that the expansion of space could be caused by the spontaneous creation of new Planck units, which would effectively increase the size of the universe.

It is also worth mentioning that the concept of space being quantized into Planck units is still a theoretical concept and has not been conclusively proven. Therefore, it is possible that our understanding of the mechanism for expansion may change as our understanding of the universe evolves. Ultimately, the mechanism for expansion is a complex and ongoing area of research, and there is still much to be discovered and understood.