Kvanttijaksaminen
Kvanttijaksaminen is a theoretical concept in modern quantum physics that describes the spontaneous segmentation of a quantum system into discrete, independent sub‑systems without any classical intervention. The term combines the Finnish words kvanttinen, meaning quantum, and jaksaminen, meaning division or segmentation. The idea was first introduced by Finnish physicist Jukka Talvitie in 1998 as an extension of decoherence theory. Talvitie argued that under specific conditions of entanglement and energy exchange, a quantum system undergoing continuous evolution can split into separate wave‑function branches that no longer interfere with one another. This process, sometimes called “quantum segmentation,” is similar in spirit to the quantum Darwinism framework but focuses on the internal dynamics of the system rather than its interaction with an external environment.
A key mathematical description of kvanttijaksaminen uses a time‑dependent projection operator that isolates a subsystem’s Hilbert
Kvanttijaksaminen has implications for interpretations of quantum mechanics, particularly in the context of many‑worlds and objective