2
votes
2answers
114 views

Why is a critical system equal to a gapless system?

In condensed matter physics, people often say that a system without energy gap is a critical system. What does it mean? Any help is appreciated!
3
votes
1answer
210 views

Does a quantum phase transition have latent heat?

As the title says, I am thinking about the question that whether a quantum phase transition has latent heat. If so, at 0 temperature, we can drive the system by some parameter from disorder phase to ...
4
votes
0answers
41 views

Order of magnetic phase transitions

Is there any phase transition occur in paramagnetism to diamagnetism transitions state. What should be the order and how will I calculate the order?
0
votes
0answers
111 views

Phase diagram problem for ternary system

For a ternary system, three composites are present. Temperature is also a variable. Assuming that pressure is held constant, what is the minimum number of phases that may be present in a ternary ...