Quantum chromodynamics Definition and 19 Threads

In Star Trek, they mention a Chromo-electric pulse and Chromo-electric force field. I know chromo-electric fields hold the nuclear force together with gluons but could a highly advanced civilization use chromo-electric fields for weapons or protection?

I am entering into the 2nd year of my masters and I plan to do my phd in quantum chromodynamics. So for my specialization, would it be helpful if I choose nuclear and particle physics or quantum field theory?

Starting from the general formula: $$I_{n,m}=\frac{1}{(4\pi)^2}\frac{\Gamma(m+2-\frac{\epsilon}{2})}{\Gamma(2-\frac{\epsilon}{2})\Gamma(n)}\frac{1}{\Delta^{n-m-2}}(\frac{4\pi M^2}{\Delta})^{\frac{\epsilon}{2}}\Gamma(n-m-2+\frac{\epsilon}{2})$$ I arrived to the following...

Consider, for example, the gluon propagator $$D^{\mu\nu}(q)=-\frac{i}{q^2+i\epsilon}[D(q^2)T^{\mu\nu}_q+\xi L^{\mu\nu}_q]$$ What exactly is the renormalized gluon dressing function ##D(q^2)## and what is its definition? My interest is in knowing if I can then write the bare version of this...

I'm working out the quark loop diagram and I've drawn it as follows: where the greek letters are the Lorentz and Dirac indices for the gluon and quark respectively and the other letters are color indices. For this diagram I've written...

I have been reading some papers from G.F. Chew and S. C. Frautschi and they do not even bother to introduce the concept of "Field" when they describe hadron interactions. My impression is that they do not need to because interactions seem to be described by single Regge-trajectories. However...

Is there a good introduction textbook or pdf for quantum chromodynamics?

Every time I watch another YouTube video about the "spooky" stuff or multiple slit experiments they never have a proposed explanation of how they work. It would seem to me that if you had a proposed idea then people could think of experiments to prove or disprove the idea. But with no ideas it...

Greg Bernhardt submitted a new PF Insights post A First Idea of Quantum Field Theory - 20 Part Series Continue reading the Original PF Insights Post.

Maybe this is more quantum, but I'm not sure. I was watching Susskinds first String lecture on youtube, and he was talking about how, within each particle family, you get a straight line called a regge trajectory if you plot spin vs. mass^2. He also mentioned that there was some slight insight...

So, a particle made of quarks is only stable if the 'colours' of the quarks add up to white So, red + antired = white blue + antiblue = white green + antigreen = white red + blue + green = white red + antired + red + blue + green = white But what causes the 'colour'? And why do they have to...

Can someone give me a brief overview of QCD, I'd like to know famous physicists that worked in the field, the main theory's it includes, when did it begin and why do we study it? Thank you.

Binding energy is typically used to talk about the amount of energy needed to separate bound particles. This means that it represents the energy lost when particles enter a bound state. So, why does this article use the term "binding energy" to talk about the energy/mass content of a proton...

I know gluons relating to quantum chromodynamics are the force that holds quarks or whole nuclei of the atom together, is it considered a particle, or since its a force,is it just representing something invisible, is it actually there, like quarks or protons and neutrons. The same with all bosons.

This contains many links to physics video lectures on quantum chromodynamics (QCD) from CERN - introduction to QCD, QCD and collider physics, QCD Phenomenology etc. http://www.infocobuild.com/education/audio-video-courses/physics/qcd-cern.html

If I had to teach a class on a year-long Quantum Chromodynamics I would give an exam about everything they should know in physics on the first day of class worth half of the grade for the rest of the quarter. That way I’d know that these FOOLS would know their STUFF and not be wasting my time! eb

What is a good introductory book on Quantum Chromodynamics that assumes QFT as a prerequisite?

Hey all, I am currently in a 300 level physics class, Concepts of Modern Physics, and as a semester project we are required to research a topic and do a presentation. I chose QCD because I have done some reading on it and it seemed the most interesting on the list. Although, i would like to...

A graviton is supposedly massless and has spin 2. But these characteristics of the graviton come from quantum mechanics in which it is assumed that the graviton does not interact with other force carrying particles.Is it possible that a graviton has a colour charge for example, and interacts...