High School What is Decoherence and How Did Bohr and Einstein Debate Its Implications?

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Decoherence is a complex concept in quantum mechanics that involves the loss of quantum coherence, leading to classical behavior in quantum systems. The discussion highlights the need for a more focused question regarding specific experiments to better understand decoherence. For insights into the debates between Bohr and Einstein, participants suggest starting with a Google search and recommend David Lindley's book "Where Does the Weirdness Go?" as a suitable resource for ninth graders. The conversation emphasizes that broad questions may not yield helpful answers in a forum setting. Understanding these topics requires targeted inquiries and appropriate literature.
Navid Eghbali9
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Hi, I'm in ninth grade, and I can't really grasp an idea of how decoherence works. Also, does anyone know where I can good information on what was discussed in the debates between Bohr and Einstein. It seems really interesting.
 
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Navid Eghbali9 said:
I can't really grasp an idea of how decoherence works

This is too broad for discussion as it stands. Can you narrow it down to a specific experiment where you're having trouble understanding decoherence? (Also, your original thread title didn't describe your actual question, not to mention that it suggested a couple of common pop science misconceptions. I have changed it to something more neutral and descriptive.)

Navid Eghbali9 said:
does anyone know where I can good information on what was discussed in the debates between Bohr and Einstein

The place to start is a Google search. If you have specific questions about something you find there, you can post them in a new thread.
 
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Navid Eghbali9 said:
Hi, I'm in ninth grade, and I can't really grasp an idea of how decoherence works.
That's too broad of a question for a forum post; we'd need an entire book to answer it. Fortunately, that book already exists: David Lindley's "Where does the weirdness go?" is a good start at the 9th-grade level.
 
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Time reversal invariant Hamiltonians must satisfy ##[H,\Theta]=0## where ##\Theta## is time reversal operator. However, in some texts (for example see Many-body Quantum Theory in Condensed Matter Physics an introduction, HENRIK BRUUS and KARSTEN FLENSBERG, Corrected version: 14 January 2016, section 7.1.4) the time reversal invariant condition is introduced as ##H=H^*##. How these two conditions are identical?

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