Is there a difference between Many Worlds Interpretation and Relational QM?

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SUMMARY

The Many Worlds Interpretation (MWI) and Relational Quantum Mechanics (RQM) present distinct views on quantum phenomena. MWI posits that the universe evolves according to the Schrödinger Equation without any quantum collapse, suggesting that interactions between subsystems create the illusion of collapse. In contrast, RQM asserts that measurements by one system on another disrupt quantum evolution, leading to a genuine collapse. While both interpretations address quantum behavior, they fundamentally differ in their treatment of measurement and collapse.

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the_pulp
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Whats the difference between Many Worlds Interpretation and Relational QM. Here is what I understand in few words:

MWI: The whole universe system evolves with Schrödinger Equation without Quantum Collapse, but when a subsystem interacts with other subsystem, it seems like Quantum Collapse.

RQM: Every measurement of a system by another system is like an interaction of the second system over the first one. So it breaks the quantum evolution and so happens quantum collapse.

These ideas seem identical to me. Do you know if there is any diference between these two approaches.

Ps: I am concerned with this two interpretation because I think I am a Many World or a Relational "fan".
 
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