The Crooked Seed That Spawned the Universe ⚡ экспресс
Weak interactions violate spatial parity (mirror symmetry) in chiral molecules, creating a tiny energy difference between 'left' and 'right' forms. It turns out that during phase transitions, this effect can be amplified many times over — proportional to the number of atoms in the critical nucleus of the new phase. Experiments in crossed electric and magnetic fields show amplifications up to billionfold scales (Nc ~ 10⁹–10¹⁰). This opens a way to measure the nucleus size and hints that similar amplification in the early Universe could contribute to the mystery of baryon asymmetry — the excess of matter over antimatter.
The weak interaction—the most elusive of fundamental forces—creates a tiny imbalance between left- and right-handed versions of molecules. The difference is so small that in a solution it gets lost in thermal chaos, just as the curvature of a tiny seed goes unnoticed for a time.
But during crystallization, a seed forms first—a microscopic 'grain' of many atoms. If it reaches a critical size, the asymmetry of each molecule adds up to a mighty force. Much like a barely bent seed grows into a tree with a noticeable curve, the seed dictates the shape of the entire crystal. Experiments with electric and magnetic fields recorded an amplification of billions of times, allowing scientists to measure that critical number of atoms.
In the early universe, after the Big Bang, a series of phase transitions could have repeatedly amplified the initial difference between matter and antimatter. Thus, a microscopic asymmetry in the fabric of existence turned into a grand imbalance that decided the fate of the cosmos.
🎯 The energy difference between left- and right-handed amino acids is so tiny that it's comparable to the energy a coin gains when lifted above a table by the thickness of a single atom.
🎬 This idea echoes Ray Bradbury's story 'A Sound of Thunder,' where a crushed butterfly changes the course of history—only here, the weak interaction plays the butterfly's role.