Special Issue "Residual Entropy and Nonequilibrium States"
A special issue of Entropy (ISSN 1099-4300).
Deadline for manuscript submissions: closed (31 December 2017)
Prof. Dr. Purushottam D. Gujrati
1. Department of Physics, The University of Akron, Akron, OH 44325, USA
2. Department of Polymer Science, The University of Akron, Akron, OH 44325, USA
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Interests: phase transitions and critical phenomena; non-equilibrium Statistical thermodynamics; Bulk and Confined Space Thermodynamics; Polymer physics; solution Theory; combinatorics and graph theory; renormalization group and field theory
One of the basic axioms of classical thermodynamics is the Third Law. Even though absolute zero T=0 is unreachable, the law has played an important role in equilibrium thermodynamics. Away from equilibrium, it is no longer applicable and the limiting entropy at absolute zero, known as the residual entropy SR(T=0), is a measure of how far a system is out of equilibrium at T=0. Assuming equilibrium entropy Seq(T=0)=0, SR(T=0) is simply the nonequilibrium entropy at T=0. As long as entropy can be defined for any state, SR(T=0) or SR(T) at T>0 can also be identified. The systems we have in mind range from conventional thermodynamic systems usually studied in physics, chemistry, engineering, biology, etc., to black holes and systems characterized by quantum field theories (low-dimensional many-body systems), where entropy is usually called entanglement entropy. Several questions can be asked including the following. How does SR(T) depend on the process of preparing a state? How could it be measured or calculated? What can be said about SR and Seq at the same energy E? How does SR(T) relate to Seq(T)? What can be said about the energy E at T=0 for the equilibrium and nonequilibrium states? A question that has not been answered is: Can it be used as a measure of the “amount” of entanglement with the surroundings?
Aim: The hope of the Special Issue is to bring together contributors from a wide variety of fields to unravel the mystery of SR(T) to better prepare us to deal with nonequilibrium states in general.
Prof. Dr. Purushottam D. Gujrati
Manuscript Submission Information
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- Entanglement Entropy
- Residual Entropy
- Metastability and Nonequilibrium States
- Classical and Quantum Systems, Entanglement