Abstract
We systematically explore and show the existence of finite-temperature continuous quantum phase transition ( C T QPT) at a critical point, namely, during solidification or melting such that the first-order thermal phase transition is a special case within C T QPT. In fact, C T QPT is related to chemical reaction where quantum fluctuation (due to wavefunction transformation) is caused by thermal energy and it can occur maximally for temperatures much higher than 0 K. To extract the quantity related to C T QPT, we use the ionization energy theory and the energy-level spacing renormalization group method to derive the energy-level spacing entropy, renormalized Bose–Einstein distribution and the time-dependent specific heat capacity. This work unambiguously shows that the quantum phase transition applies for any finite temperatures.
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Acknowledgments
I thank Madam Sebastiammal Savarimuthu, Mr. Arulsamy Innasimuthu, Madam Amelia Das Anthony, Mr. Malcolm Anandraj and Mr. Kingston Kisshenraj for their financial support and kind hospitality between August 2011 and August 2013. I also thank Dr. Naresh Kumar Mani for his kind hospitality during my short stay in Cachan, France (March/April 2011) where part of this work has been completed.
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Arulsamy, A.D. Quantum thermodynamics at critical points during melting and solidification processes. Indian J Phys 88, 609–620 (2014). https://doi.org/10.1007/s12648-014-0450-5
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DOI: https://doi.org/10.1007/s12648-014-0450-5
Keywords
- Thermal and quantum phase transitions
- Energy-level spacing and time-dependent entropy
- Ionization energy theory
- Energy-level spacing renormalization group method