scholarly journals Nonanalytic corrections to the specific heat of a three-dimensional Fermi liquid

2006 ◽  
Vol 73 (4) ◽  
Author(s):  
Andrey V. Chubukov ◽  
Dmitrii L. Maslov ◽  
Andrew J. Millis
Keyword(s):  
Specific Heat ◽  
Fermi Liquid ◽  
Three Dimensional

Specific heat of ordered and isotopically disordered lattices

1978 ◽  
Vol 56 (10) ◽  
pp. 1390-1394
Author(s):  
K. P. Srivastava
Keyword(s):  
Specific Heat ◽  
Low Temperatures ◽  
Numerical Study ◽  
Three Dimensional ◽  
Constant Volume ◽  
Nearest Neighbour ◽  
Two Dimensional ◽  
Appreciable Difference ◽  
Substantial Change ◽  
Neighbour Interaction

An extensive numerical study on specific heat at constant volume (Cv) for ordered and isotopically disordered lattices has been made. Cv at various temperatures for ordered and disordered linear and two-dimensional lattices have been compared and no appreciable difference in Cv between these two structures has been observed. Effect of concentration of light atoms on Cv for three-dimensional isotopically disordered lattices has also been shown.In spite of taking next-nearest-neighbour interaction into account, no substantial change in Cv between the ordered and isotopically disordered linear lattices has been found. It is shown that the low lying modes contribute substantially at low temperatures.

scholarly journals Specific heat and energy for the three-dimensional O(2) model

2002 ◽  
Vol 106-107 ◽  
pp. 893-895 ◽  
Author(s):  
S. Holtmann ◽  
J. Engels ◽  
T. Schulze
Keyword(s):  
Specific Heat ◽  
Three Dimensional

Low temperature behavior of entropy and specific heat of a three dimensional quantum wire: Shannon and Tsallis entropies

2020 ◽  
Vol 93 (6) ◽  
Author(s):  
Mojtaba Servatkhah ◽  
Reza Khordad ◽  
Arezoo Firoozi ◽  
Hamid Reza Rastegar Sedehi ◽  
Ahmad Mohammadi
Keyword(s):  
Low Temperature ◽  
Specific Heat ◽  
Quantum Wire ◽  
Three Dimensional ◽  
Temperature Behavior

Quasiparticle Self-Energy and Specific Heat of a Fermi Liquid: Application toHe3

1967 ◽  
Vol 19 (8) ◽  
pp. 425-428 ◽  
Author(s):  
D. J. Amit ◽  
J. W. Kane ◽  
H. Wagner
Keyword(s):  
Specific Heat ◽  
Fermi Liquid ◽  
Self Energy

Reconsideration of the Doping Effect on High-Tc Superconductivity

1998 ◽  
Vol 12 (29n31) ◽  
pp. 3023-3026
Author(s):  
De-Hua Lin ◽  
Xingang Wu
Keyword(s):  
Crystal Structure ◽  
Nuclear Spin ◽  
Fermi Liquid ◽  
Three Dimensional ◽  
Interlayer Spacing ◽  
Doping Effect ◽  
High Tc ◽  
High Tc Superconductivity ◽  
Mechanism Of Superconductivity

Studying the change of the cuprate's crystal structure based on doping and then the effect on its high-T c superconductivity, is an effective way to seek the mechanism of superconductivity. We explore the doping effect in the cuprate's crystal structure, such as the property of Cu-O layers, the interlayer spacing, the density of carriers and so on. Then, by considering the effect of the nuclear spin, we construct a three-dimensional superconductivity model, which is a correction of the nonphonon mechanism in a layered Fermi-Liquid.

Schemes for the calculation of the free energy and specific heat for marginal Fermi liquids in the normal and superconducting phase

1995 ◽  
Vol 73 (7-8) ◽  
pp. 497-504 ◽  
Author(s):  
Ranjan Chaudhury
Keyword(s):  
Free Energy ◽  
Specific Heat ◽  
Fermi Liquid ◽  
Superconducting Phase ◽  
Fermi Liquids ◽  
Many Body ◽  
Boson Exchange ◽  
Marginal Fermi Liquid

Several schemes based on the fermionic many-body approach and the boson-exchange approach are developed to calculate the free energy and specific heat for a marginal Fermi liquid in the normal and superconducting phase. The merits and demerits of these schemes are analyzed and compared. The origin of the failure of the simple Bardeen–Stephen formula is also highlighted. The analysis is carried out in light of some experiments.

On metastable approximations in co-operative assemblies

1956 ◽  
Vol 235 (1201) ◽  
pp. 247-259 ◽  
Keyword(s):  
Exact Solution ◽  
Specific Heat ◽  
Curie Point ◽  
Lattice Structure ◽  
Three Dimensional ◽  
Entropy Change ◽  
Successive Approximations ◽  
Series Expansions ◽  
Temperature Expansion ◽  
Heat Curve

The exact solution of the three-dimensional Ising model of a ferromagnetic presents diffi­culties of a very fundamental nature. It therefore seems that the most reliable information on the behaviour of the model is provided by exact series expansions of the partition func­tion at low and high temperatures. However, the usual low -temperature expansion fails to converge in the neighbourhood of the critical point. By rearranging the terms of the series on the basis of physical considerations, it is possible to obtain a systematic set of successive approximations, each approximation taking exact account of clusters of a given size or less (metastable approximations). By extrapolation accurate estimates can be derived of the Curie point and critical values of the energy and entropy. It is found that there is a marked difference in behaviour between two- and three-dimensional lattices, a far larger proportion of the entropy change taking place in the temperature region below the Curie point in the latter case. The corre­sponding specific heat curves are therefore much closer to those observed experimentally. Finally, a brief discussion is given of the dependence of the specific heat curve on lattice structure.

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