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On the Quantum Statistical Distributions Describing Finite Fermions and Bosons Systems
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Journal of Modern Physics·Volume 02 (2011)·Pages 1242–1246·Published 10 November 2011·DOI10.4236/jmp.2011.211154
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Abstract
A century old methodology for deriving statistical distribution using approximate Stirling’s formulation of the factorial becomes questionable. By avoiding the use of exaggerated approximations, a new picture of the energy distribution of fermions and bosons are presented. Energy distribution among fermions (or bosons) in systems with finite degeneracy are found to be degeneracy dependent. The presented point of view explains, successfully, presence of degeneracy pressure in ultra-cooled Fermi gas and predicts the minimum accessible temperature for finite degeneracy fermions system.
KeywordsFermion SystemsBosons SystemsQuantum DegeneracyStatistical Mechanics
- E. K. Elmaghraby, “Initial Exciton Configuration in (p,n) Pre-Equilibrium Emission Reactions,” Physical Review C, Vol. 78, 2008, p. 014601. doi:10.1103/PhysRevC.78.014601
- E. K. Elmaghraby, “PHASE-OTI: A Pre-Equilibrium Model Code for Nuclear Reactions Calculations,” Computer Physics Communications, Vol. 180, 2009, pp 1694- 1699. doi:10.1016/j.cpc.2009.03.015
- R. K. Niven, “Exact Maxwell-Boltzmann, Bose-Einstein and Fermi-Dirac statistics,” Physics Letters A, Vol. 342, No. 4, 2005, pp 286-293. doi:10.1016/j.physleta.2005.05.063
- R. K. Niven, “Non-Asymptotic Thermodynamic Ensembles,” Europhysics Letters, Vol. 86, 2009, p. 20010. doi:10.1209/0295-5075/86/20010
- R. K. Niven, “Cost of s-Fold Decisions in Exact Maxwell Boltzmann, Bose Einstein and Fermi Dirac Statistics, Physica A, Vol. 365, No. 1, 2006, pp. 142-149. doi:10.1016/j.physa.2006.01.021
- C. Tsallis, “Nonadditive Entropy: The Concept and Its Use,” European Physical Journal A, Vol. 40, 3, 2009, pp. 257-266. doi:10.1140/epja/i2009-10799-0
- A. Isihara, “Statistical Physics,” Academic Press, New York, 1971.
- Y. Weissman, “An Improved Analytical Approximation to n!,” American Journal of Physics, Vol. 51, No. 1, 1983, pp. 9. doi:10.1119/1.13412
- N. D. Mermin, “Improving an Improved Analytical Approximation to n!,” American Journal of Physics, Vol. 51, No. 9, 1983, p. 776. doi:10.1119/1.13139
- C. Leubner, “Generalised Stirling Approximations to n!,” European Journal of Physics, Vol. 6, 1985, pp. 299-301. doi:10.1088/0143-0807/6/4/016
- 11. C. Tsallis and U. Tirnakli, “Nonadditive Entropy and Nonextensive Statistical Mechanics—Some Central Concepts and Recent Applications,” Journal of Physics: Conference Series, Vol. 201, No. 1, 2010, p. 012001.
- C. Tsallis, “Possible generalization of Boltzmann-Gibbs statistics,” Journal of Statistical Physics, Vol. 52, No. 1-2, 1988, pp. 479-487. doi:10.1007/BF01016429
- B.-N. Guo and F. Qi, “Sharp Bounds for Harmonic Numbers,” Applied Mathematics and Computing. 2011, in Press.
- A. Sofo, “Integral Forms of Sums Associated with Harmonic Numbers,” Applied Mathematics and Computing, Vol. 207, No. 2, 2009, pp. 365-372. doi:10.1016/j.amc.2008.10.044
- F. Schreck, L. Khaykovich, K. L. Corwin, G. Ferrari, T. Bourdel, J. Cubizolles and C. Salomon, “Quasipure Bose- Einstein Condensate Immersed in a Fermi Sea,” Physical Review Letters, Vol. 87, No. 8, 2001, p. 080403. doi:10.1103/PhysRevLett.87.080403