Cognitive Scaffold

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MENTAL MODEL · M5019

Monogamy of Entanglement

Monogamy of Entanglement
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Updated 2026-08-03

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INTRODUCTION

English translation pending.

CORE DEFINITION

Monogamy of entanglement is a theorem in quantum information theory stating that if two particles are maximally entangled, neither can share entanglement with a third particle. The result follows from the structure of quantum correlations and was formalized through entanglement measures such as the concurrence. The core claim is that entanglement is an exclusive, non-shareable resource rather than something that can be spread indefinitely. Key qualifications are that the restriction applies to maximal entanglement, since partial entanglement can be distributed, and that the trade-off is quantitative rather than simply all or nothing.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Count the deep ties: list the relationships you claim are maximally deep and check the total. - Accept the limit: recognize that full depth in one relationship consumes what another would need. - Choose the allocation: decide deliberately where depth goes instead of spreading it thinly everywhere.

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Anchor fast decisions

In quantum mechanics the correlations that make two systems maximally entangled use up the available quantum resource, leaving nothing to share with a third party. Used as a metaphor, deep relationships behave the same way: the attention, time, and emotional capacity that full depth requires is finite, so each additional tie at maximum depth draws down what the others can receive. The result is a hard trade-off between breadth and depth rather than a soft preference for focus.

MINIMUM ACTION

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Monogamy_of_entanglementZH · Explicit
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