How to tune into the quantum field?

Let’s learn how to tune into the quantum field. The most accurate or helpful solution is served by Yahoo! Answers.

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"Tune in to the quantum field"?

Can someone explain what this means, please?

Answer:

It doesn't mean anything at all. There is no 'quantum field'. Sounds like you've been reading some fiction...

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Wave fuction field is not quantum field.how one can mathematically represent quantum field?

wave function field is not quantum field is not quantum field.how one can mathematically represent quantum field?[sudhakarang@alumni.iitm.ac.in,sud…

Answer:

By Fourier transforming the field and assigning creation and annihilation operators as the coefficients...

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Is quantum field theory a subset of quantum mechanics?

I heard someone claimed that quantum field theory is an application of quantum mechanics, which the target to be quantized is the field. Quantum mechanics can be used to quantize particle (usually in non-relativistic case) and field, as well. I also...

Answer:

Quantum mechanics is just a set of mathematical tools, a framework, for formulating physical theories...

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Is it correct to visualize the vacuum as the superposition of various quantum fields (photonic field, electronic field, etc.) in the ground state with each quantum field producing a quantum particle (photons, electrons, etc.) when excited?

Can the different quantum fields interact with each other when they are in the ground state, meaning no excitations are occurring to produce real (non-virtual) quantum particles? How will spacetime fit in this picture.

Answer:

In the absence of interactions among fields, the field-theory vacuum would be the product of the ground...

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Choosing a research interest for grad school admission in physics: Quantum Information or Quantum Field Theory?

I have a great deal of interest in both Quantum Information and Quantum Field Theory. I have done a couple of research projects/internships in QInfo and would love to go into this field in grad school. But,  I'd also like to try out QFT as a research...

Answer:

Quantum Field Theory is not a field, it is a method that is used in many fields: condensed matter physics...

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AdS/CFT: Are Quantum Field Theory and String Theory really the same thing?

I'm referring to the AdS/CFT correspondence. Which states that, for example, that there is a duality between String Theory in five dimensions and Quantum Field Theory in four dimensions. So String Theory is equivalent to Quantum Field Theory in one less...

Answer:

Both string theory and quantum field theory are actually mathematical frameworks upon which theories...

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How does 'Quantum Field Theory' address the problem of Locality in Quantum Entanglement?

Quantum Entanglement allows spatially separated entangled particles to have impact on each other instantly (overcoming the allowed speed-limit of causal influence which is 'c'). How does Quantum Field Theory address this problem (protecting causality...

Answer:

The answer to your question is unfortunately easy: There is no Quantum Field Theory. No one knows how...

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What books will help me understand quantum field theory?

Can anyone recommend a path to getting to a basic understanding of QFT through self study? Is a complete course in Quantum Mechanics a prerequisite? My guess is that there are a lot of details in introductory Quantum Theory courses which are not absolutely...

Answer:

"Quantum Field Theory" by Michio Kaku is a classic, but prerequisite understanding for this...

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What type of experiments are performed in the field of Quantum optics?

The field of Quantum optics is relatively new and I would like to know the type of research that is being conducted currently? Apart form Quantum computation and cryptography? Also, what are the various single photon experiments? (Assume that I know...

Answer:

Quantum Key Distribution which is the fundamental backbone of Quantum Cryptography comprises of majority...

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What is the best way for a working mathematician to learn the basics of physics (up to quantum field theory)?

To be precise, I'd like to understand the basic ideas, examples, and techniques of computation from quantum mechanics and quantum field theory. I've noticed that a lot of interesting mathematics has come from quantum field theory, so this seems like...

Answer:

You could get one or two of the freshman course books on the subject.  Some of these have a pretty good...

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