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Let's say we have a bound state problem: two micro black holes in orbit around one other. Let us disregard Hawking evaporation, and solve this problem.

The usual way of solving this problem is to do so quantum-mechanically by employing the Schrodinger equation, deducting the eigenvalues, etc.

My question is: What other methods can be employed?

How does string theory treat this bound state problem? How does general relativity address it? What other approaches can be used?

Thank you.

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# Bound State Problem: How can it be addressed?

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