- #1
emanaly
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If we have a potential with two fields psi and phi with a phase Exp(itheta) , how can we get rid of the field in order for the potential to be real?
Realizing Potential: Eliminating Fields for Real Potential
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Homework Help Overview
The discussion revolves around a potential in quantum field theory represented by two fields, psi and phi, combined with a phase factor, Exp(itheta). The original poster seeks to understand how to eliminate the imaginary component of this potential to make it real.
Discussion Character
- Conceptual clarification, Assumption checking
Approaches and Questions Raised
- Participants question the clarity of the original post, particularly regarding the meaning of making the potential "real." There are inquiries about whether the intention is to convert an oscillating potential into a direct current (DC) form. Additional requests for context and details about the course material and related examples are made.
Discussion Status
The discussion is ongoing, with participants seeking further clarification and context from the original poster. Some guidance has been offered regarding the need for more information to address the question effectively.
Contextual Notes
There is an emphasis on the need for additional context about the course and textbook, as well as examples that could help frame the question more clearly. The original poster has reiterated their question but has not provided the requested details.
- #2
berkeman
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Your question is not really clear. The notation [tex]e^{i \theta}[/tex] represents a field that is oscillating at some frequency and has a phase offset from some reference phase. What do you mean to make the potential "real"? You want to make it DC instead of AC?
- #3
emanaly
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berkeman said:
Sorry , may be I was not clear enough, but I mean by the potential, the one which appear in quantum field theory
- #4
berkeman
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emanaly said:
Oopsies, sorry for my misinterpretation. I'm of no help on QFT.
- #5
berkeman
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emanaly said:
I had someone who does understand QFT look at your question, and he doesn't understand what you are asking. Could you please provide more of a context for the question, and more details about the question?
- #6
emanaly
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berkeman said:
Thank you for your effort bereman
The potential is as follow:V=Psi Phi Exp(itheta) in order for the potential to be real, we should get rid of the imaginery part , how can we do that?
Thanks again
- #7
berkeman
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emanaly said:
I'm glad to try to help out. But what you've posted there is pretty much just a repeat of your original post. Could you please provide more context? What is the course, what is the textbook, what similar questions are from the same section of this course? Can you provide a physical example where this question would apply?
- #8
emanaly
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Thank you berkeman for all what have you done.
The problem by the grace of God had been solved
The problem by the grace of God had been solved
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