What if the universe repeats itself like a "sin(x)" wave, switching from matter to anti matter and vice versa each bigbang/bigcrunch? (Unlike an already hypothesized bouncing model ("|sin(x)|") where the same matter type repeats)
I was thinking about the big bang and the big crunch and how some cyclic universe models describe the scale factor going from zero, reaching a maximum, and then going back to zero. If you graph that (X-axis = time, Y-axis = universe size (or amount of matter)), then it looks like the function |sin(x)|: the universe grows, collapses, grows again, etc., but never goes below zero.
That got me wondering:
What if it does actually go below zero and it's just the opposite state? (sin(x) instead of |sin(x)|
So when we interpret below zero as an opposite:
- Y > 0 -> our matter-dominated universe
- Y < 0 -> an inside-out version where matter becomes antimatter
- The X-axis crossings (where sin(x) = 0) represent Big Bang / Big Crunch transition points
Time always stays continuous, only the state of the universe changes each half-cycle. In other words: what if the universe is just one big repeating sine wave?
Summarized: The universe starts with a big bang event, then it expands until it reaches a maximum, it then shrinks until it collapses in a big crunch event. After the big crunch event it starts expanding again (with a new big bang), but in an inverted state, the matter coming from this is the exact invert of what it first was (matter <-> anti matter). This in turn will then grow until it decreases again into another big crunch event followed by a new big bang.
I made 2 graphs:
- The top shows a |sin(x)| graph
- The bottom shows the sin(x) version I’m imagining, red points representing a big bang event, and blue ones representing a big crunch
Posted Dec 4, 2025, 9:45 PM UTC