Questions tagged [definition]
The definition tag is used in situations where the question is either about how some term or concept is defined or where the validity of an answer depends on a subtle definition of some term or concept used in the question.
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Exact definition of entropy [duplicate]
Sometimes it is described as a state of disorder and sometimes it is called the inavalability of the thermal of energy of the system to do mechanical work.
So
How exactly is entropy defined?
Also, ...
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Conformal manifold of a supersymmetric field theory
I'm trying to understand what exactly is the conformal manifold of a theory. If I understand it right, the conformal manifold is the space of couplings.
From that point of view, it is just a subset ...
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What are Quantum Field Theories?
Every time I read about quantum field theories, I wrongly assume and associate the theory to the Standard Model, that is, our current theory of particles and interactions.
However, it seems that the ...
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What is the difference between the strong force and the strong nuclear force?
Is there a difference between the strong nuclear force, and the strong force (without the nuclear in between)? I have heard that the strong nuclear force binds protons and neutrons together, while the ...
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What is the definition of bound state in quantum field theory?
I asked a question a while a go what is a bound state and the question was closed because there is a similar question.
Now since best description we have to describe nature in quantum field theory
How ...
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What is the mathematical definition of bound state? [duplicate]
While searching why poles of Green’s function corresponds to bound states I came across that I don't know what bound state is. Intuitivaly I know that bound
State should be a state that the ...
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Potential Difference and Electrical Potential [duplicate]
What is the difference between Electrical Potential and Potential Difference?
Please try to explain in layman language
Any response would be apriciated
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What exactly is kg? [closed]
Kilogram literally makes no sense. We say that we are 10 kilogram by using the weighing scale but according to its definition, it is the amount of matter contained in an object. So how much matter is ...
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Are all materials that have 0 electrical resistance superconductors?
Are all materials that have 0 electrical resistance superconductors?
Are all perfect diamagnets superconductors？
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What is the difference between reflectivity and reflectance?
This question is in the context of solar reflections in buildings that cause glare. The two terms are similar but they have differences.
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Difference between $\mathcal{N}=2$ and $\mathcal{N}=(1,1)$ SUSY
In supersymmetry algebra, $\mathcal{N}$ refers to $I=1,2,.. \mathcal{N} $ in $Q^{I}_{\alpha}$. My question is what does it mean to write $\mathcal{N}=(1,1)$ superalgebra?
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What is equilibrium position in a pendulum? Will there be only one equilibrium position in the motion of a pendulum?
Equilibrium position of a pendulum is defined as the position where no external force acts on the body and if no force is applied, it remains at rest. In the image, isn't gravity acting everywhere, ...
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Is the magnitude of a vector equal to its length
Suppose a body has a velocity $V =2\hat i$ metres per second. The magnitude of velocity is 2 meters per second . We can draw a vector of length 2 cm to represent this velocity.
According to the below ...
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