samedi 24 octobre 2015

Paradoxes of Time Travel: The Uncertainty Principle, Wave Function, Many Worlds

Hi all,
Again a bit from Joseph:
http://ift.tt/1PJ9Qlk

Quote:

DeWitt’s many-worlds interpretation of Everett’s work, posits that there may be a split in the combined observer–object system, the observation causing the splitting, and each split corresponding to the different or multiple possible outcomes of an observation. Each split is a separate branch or highway. A “world” refers to a single branch and includes the complete measurement history of an observer regarding that single branch, which is a world unto itself. However, every observation and interaction can cause a splitting or branching such that the combined observer–object’s wave function changes into two or more non-interacting branches which may split into many “worlds” depending on which is more probable. The splitting of worlds can continue infinitely.

Since there are innumerable observation-like events which are constantly happening, there are an enormous number of simultaneously existing states, or worlds, all of which exist in parallel but which may become entangled; and this means, they can not be independent of each other and are relative to each other. This notion is fundamental to the concept of quantum computing.
What do you guys think?What bothers me is the last statement.Is MWI really required for quantum computing?


via International Skeptics Forum http://ift.tt/1KwIeYP

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