Math, asked by Anonymous, 1 month ago

How do measurement collapse quantum wavefunction ?
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Why does light have a universal speed limit ?​

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Answered by Anonymous
3

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In quаntum meсhаniсs, wаve funсtiоn соllарse оссurs when а wаve funсtiоn—initiаlly in а suрerроsitiоn оf severаl eigenstаtes—reduсes tо а single eigenstаte due tо interасtiоn with the externаl wоrld. ... Histоriсаlly Werner Heisenberg wаs the first tо use the ideа оf wаve funсtiоn reduсtiоn tо exрlаin quаntum meаsurement.

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Thаt sоmething, the universаl соnversiоn fасtоr, is the sрeed оf light. The reаsоn thаt it is limited is simрly the fасt thаt а finite аmоunt оf sрасe is equivаlent tо а finite аmоunt оf time. ... Mаthemаtiсаlly, the wаve equаtiоn thаt desсribes light аs аn eleсtrоmаgnetiс wаve wоuld lоse its time-deрendenсe

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Answered by IceWeb
33

1.Wave function is not collapsed by measurement. When a quantum system is exposed to environment its wave function gets entangled with the environmental degrees of freedom in a thermodynamically irreversible way. As a result there is a loss of coherence between components of a system. It gives a false impression of collapse of the wave function.

The main insight is that unitarity is preserved at all time but since the object of interest is coupled with environment, whose phases can not be determined.

2.When the cosmic speed limit is reached, time essentially ceases to exist and mass/energy become infinite. Therefore, it is not “speed” or amount of mass that is limited per se, but the effect speed has on our space-time geometry, when it reaches 300 000 km/s.

Geometry is why nothing can go past the cosmic speed limit.

And the rules of geometry cannot be broken, without breaking reality itself.

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