Dr. Ramandeep S. Johal
Professor, Physical Sciences

Email rsjohal(AT)iisermohali.ac.in
Phone +91 172 2293132
Fax +91 172 2240266
Personal Page                                                               
ORCID ID

0000-0002-9766-2814
Research Area
Thermodynamics and Statistical Physics

Research Focus

Optimal performance of irreversible thermal machines; Quantum thermodynamics.


Selected Publications
  • Three-level laser heat engine at optimal performance with ecological function, with V. Singh, Phys. Rev. E 100 (2019) 012138.
  • Global linear-irreversible principle for optimization in finite-time thermodynamics, R. S. Johal, Europhys. Lett. 121 (2018) 50009.
  • Quantum Otto engine with exchange coupling in the presence of level degeneracy, with V. Mehta, Phys. Rev. E 96 (2017) 032110.
  • Near-equilibrium universality and bounds on efficiency in quasi-static regime with finite source and sink, with R. Rai, Europhys. Lett. 113 (2016) 10006.
  • Estimating performance of Feynman's ratchet with limited information, with G. Thomas, J. Phys. A: Math. Theor. 48 (2015) 335002.
  • Reversible Heat Engines: Bounds on thermal efficiency from inference, with R. Rai, and G. Mahler, Found. Phys. 45 (2015) 158.
  • Friction due to inhomogeneous driving of coupled spins in a quantum heat engine, with G. Thomas,  Eur. Phys. J. B 87 (2014) 166.
  • Coupled Quantum Otto Cycle, with G. Thomas, Phys. Rev. E 83 (2011) 031135.
  • Work extremum principle: Structure and function of quantum heat engines, with A. E. Allahverdyan and G. Mahler, Phys. Rev. E 77 (2008) 041118.