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Quantum Critical Engine at Finite Temperatures: Free Fermionic Model
Authors:
(1) Revathy B S, Raman Research Institute, Bengaluru, 560080, Karnataka, India and Corresponding author;
(2) Victor Mukherjee, Department of Physical Sciences, Indian Institute of Science Education and Research Berhampur, Berhampur, 760010, Odisha, India;
(3) Uma Divakaran, Department of Physics, Indian Institute of Technology Palakkad, Palakkad, 678623, Kerala, India.
Table of Links
3 Many body quantum Otto cycle
4 Universal scalings in work output
5 Transverse Ising model as working medium
2 Free fermionic model
Let us consider a free fermionic model described by the Hamiltonian
With each momentum mode being independent and non-interacting, we can write the density matrix of the system as
This paper is available on arxiv under CC BY 4.0 DEED license.
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