Recent questions in Theoretical Physics

0 votes

0 answers

What is a source and how can you find it in a field theory?

asked Feb 10, 2023 in Theoretical Physics by handyman.

+24 votes

0 answers

In theory, if we know matter and particles are sound in spherical form, what would we need to develop next in order to know what matter or particle it is?

asked Feb 10, 2023 in Theoretical Physics by spark113

+15 votes

0 answers

How can quantum field theory be used to study the behavior of particles in the early universe, such as those predicted by inflationary cosmology?

asked Feb 10, 2023 in Theoretical Physics by RadiantVerse

+21 votes

0 answers

Why didn't the universe collapse after the Big Bang? If dark energy didn't appear immediately after the Big Bang, but 5 billion years after the Big Bang, and 9 billion years ago (from modern day), what prevented gravity from collapsing the universe?

asked Feb 10, 2023 in Theoretical Physics by TDunbar

+16 votes

0 answers

What is the difference between spin up and spin down?

asked Feb 10, 2023 in Theoretical Physics by hoythetrowelin

+24 votes

0 answers

What are the three fundamental forces? Why are there only two types of matter?

asked Feb 10, 2023 in Theoretical Physics by BoguslawO

+1 vote

0 answers

Are all excitations of the known boson fields and their respective particles only caused by the existence of a fermion and/or in the presence of an existing fermion(s) or is there a way these fields become excited outside of random short lived excit?

asked Feb 10, 2023 in Theoretical Physics by 2be2

+13 votes

0 answers

Could dark energy not be a thing and just the after effect of the Big Bang?

asked Feb 10, 2023 in Theoretical Physics by wilding

+9 votes

0 answers

Why don't the positively charged up quarks annihilate with the two negatively charged down quarks in the neutron? The amount of opposite charges is equal and opposite and this is equivalent to matter and anti-matter.

asked Jan 20, 2023 in Theoretical Physics by EmberWhirl

+27 votes

0 answers

If everything can be broken down into particles, does that mean every force has a corresponding particle?

asked Jan 20, 2023 in Theoretical Physics by AstralSculptor

+39 votes

0 answers

What happens when a particle with momentum is created?

asked Jan 20, 2023 in Theoretical Physics by Mark2260

+25 votes

0 answers

How do we use the principles of lattice gauge theory to study the properties of strongly interacting systems in particle physics?

asked Jan 20, 2023 in Theoretical Physics by chelsea wood

+18 votes

0 answers

What are the main fields of interest in condensed matter theory?

asked Jan 20, 2023 in Theoretical Physics by pagerlagan

+104 votes

0 answers

Where does the virtual photon come from when 2 electrons repel each other in a Feynman diagram?

asked Jan 20, 2023 in Theoretical Physics by Unclebirt

+1 vote

0 answers

How far can we take a physical system such as quantum mechanics and general relativity into string theory/M-theory?

asked Jan 20, 2023 in Theoretical Physics by Jimmer

+17 votes

0 answers

What causes an electron to change its orbit? What does this mean for a subatomic particle?

asked Jan 20, 2023 in Theoretical Physics by ecoplumbing

+6 votes

0 answers

What jobs could I hope to get with a theoretical physics degree?

asked Jan 20, 2023 in Theoretical Physics by Dick Bartholomew

+18 votes

0 answers

De Sitter space is considered promising in string theory, yet it's not a stable solution. Could this be due to a subtle discrepancy between the evolution of de Sitter space and the evolution of the universe?

asked Jan 20, 2023 in Theoretical Physics by gingertimmins (2.8k points)

+232 votes

0 answers

Is it theoretically possible to record someone's thoughts directly?

asked Jan 20, 2023 in Theoretical Physics by Mick Tilson

+6 votes

0 answers

Did theoretical physicists view Albert Einstein favorably during his lifetime?

asked Jan 20, 2023 in Theoretical Physics by GoldenArches

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