How does dynamical mass generation works ?

In summary, the process of dynamical mass-generation in QFT-textbooks involves the effective quarkmass obtained as a solution of the Schwinger Dysonequation, which is dependent on the quark's momentum. This effective quarkmass reveals the interaction between a quark and its surrounding virtual particles, with a larger strong force coupling constant resulting in more virtual particles becoming real and generating mass. As for the definition of effective quarkmass and its significance, further research is needed.
  • #1
marlon
3,792
11
How does dynamical mass generation works ?

In QFT-textbooks, the process of dynamical mass-generation is often used.
For example one gets an effective quarkmass as a solution of the Schwinger
Dysonequation. This mass is dependent on the quarks momentum.The effective quarkmass as a function of the momentum gives an image of the
interaction between a quark and its surrounding virtual particles. For
low-energy quarks, the strong force coupling constant is very large because
of asymptotic freedom. So in this condition, many virtual particles become
real because of the strong interaction and thus quarkmass is generated.Is this conclusion right or am I making e few mistakes here?Can anyone give me a clear definition of the effective quarkmass, what does
is really mean?

How is mass generated dynamically
 
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  • #2
@marlon did you find out more about this?
 

1. What is dynamical mass generation?

Dynamical mass generation is a phenomenon in which particles acquire mass through interactions with their surrounding fields. This process plays an important role in the Standard Model of particle physics and is responsible for the mass of fundamental particles such as quarks and leptons.

2. How does the Higgs mechanism contribute to dynamical mass generation?

The Higgs mechanism is a theoretical framework within the Standard Model that explains the origin of mass for fundamental particles. It involves the spontaneous breaking of a symmetry in the Higgs field, which gives rise to a new field known as the Higgs boson. The interactions between particles and the Higgs field result in the particles acquiring mass through dynamical mass generation.

3. What is the role of gauge symmetry in dynamical mass generation?

Gauge symmetry is a fundamental concept in particle physics that describes the symmetries of a system. In dynamical mass generation, the breaking of gauge symmetry through the Higgs mechanism is responsible for the generation of mass. The interactions between particles and the Higgs field preserve the underlying gauge symmetry, while also giving rise to the mass of the particles.

4. Can dynamical mass generation occur in theories beyond the Standard Model?

Yes, dynamical mass generation can occur in theories beyond the Standard Model. In fact, many theories beyond the Standard Model propose alternative mechanisms for dynamical mass generation, such as technicolor and supersymmetry. These theories aim to explain the origin of mass in a more fundamental way and may provide insights into new physics beyond the Standard Model.

5. How does dynamical mass generation contribute to our understanding of the universe?

Dynamical mass generation is a crucial component of our current understanding of the universe. It plays a key role in the formation of matter, as well as the behavior of particles at high energies. By studying dynamical mass generation, scientists can gain a deeper understanding of the fundamental forces and particles that make up our universe.

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