What does negative $\mu$ physically means?
87168
Meaning of the chemical potential for a boson gas
108021
What does the factorial of a negative number signify?
49554
Physical meaning of this integral in $k$-space
124342
Negative pressure
155426
Difference between negative and positive temperatures written as absolute value or the negative integer?
66945
What exactly does $\dot\sim$ notation mean?
64638
What is the physical significance of curl $\nabla\times\boldsymbol{V}$?
39077
WKB Quantization Condition - negative?
151930
What does it mean by $t=-1$?
55948
Negative energy levels in the diagram for a hydrogen atom
62506
Why $SU(3)$ and not $U(3)$?
45061
Physical interpretation of $Q^i = \partial _\nu T^{i \nu}$
98351
Negative feedback output question
100184
physical meaning of the vector $(A \cdot \nabla) A$
76423
Why is the total energy of an orbiting system negative?
37126
Where does in GUT symmetry breaking $U(1)$ come from?
131958
Why is the potential energy equal to the negative integral of a force?