Zinc Doping Effect on the Thermopower Behavior and the Modification of the Normal-State Energy Spectrum in the YBa2Cu3Oy System

2021 ◽  
Author(s):  
Ekaterina Martin ◽  
Vitaliy Gasumyants
Keyword(s):  
Energy Spectrum ◽  
Normal State ◽  
State Energy ◽  
Doping Effect ◽  
Zinc Doping

scholarly journals ESR Study on the Excited State Energy Spectrum of SrCu2(BO3)2–A Central Role of Multiple-Triplet Bound States–

2003 ◽  
Vol 72 (12) ◽  
pp. 3243-3253 ◽  
Author(s):  
Hiroyuki Nojiri ◽  
Hiroshi Kageyama ◽  
Yutaka Ueda ◽  
Mitsuhiro Motokawa
Keyword(s):  
Excited State ◽  
Energy Spectrum ◽  
Bound States ◽  
State Energy ◽  
Excited State Energy

Thermodynamic Properties of an In-Phase Flux Antiferromagnetic Spin Coupled Heisenberg Model on a Square Lattice

SPIN ◽  
2018 ◽  
Vol 08 (04) ◽  
pp. 1830001
Author(s):  
E. Mainimo ◽  
N. Ibrahim Famenyi
Keyword(s):  
Energy Spectrum ◽  
Specific Heat ◽  
Thermodynamic Parameters ◽  
Heisenberg Model ◽  
State Energy ◽  
Spontaneous Magnetization ◽  
Exchange Interactions ◽  
Spin Model ◽  
Square Lattice ◽  
Antiferromagnetic Spin

Using the two-dimensional Jordan–Wigner Fermionization procedure, we calculate the energy spectrum of the in-phase flux antiferromagnetically spin-1/2 coupled Heisenberg model in a square lattice, the formalism used introduces the notion of isotropic parameters. The energy spectrum is analyzed for various regimes of the exchange interactions and the isotropic parameters. The thermodynamic parameters of the lattice, notably the ground state energy, the free energy, mean energy, entropy and specific heat are calculated. It is seen that the specific heat undergoes a phase transition at a temperature below the critical temperature due to spontaneous magnetization. Its entropy for homogeneous and completely isotropic regime is compared for two regimes of the exchange interaction and it is observed that the entropy decreases with an increase in the coupling strength. All the thermodynamic parameters calculated for this spin model are seen to be in conformity with the principles and laws of Statistical Thermodynamics.

Zinc doping effect on the optical bands of cr3+in LiNbO3: Zn, Cr crystals

1994 ◽  
Vol 17 (3-4) ◽  
pp. 51-58 ◽  
Author(s):  
M. Voda ◽  
U. Caldiño G ◽  
J. García Solé ◽  
F. Jaque
Keyword(s):  
Doping Effect ◽  
Zinc Doping

scholarly journals Ground-state energy of noninteracting fermions with a random energy spectrum

2018 ◽  
Vol 124 (4) ◽  
pp. 40005 ◽  
Author(s):  
Hendrik Schawe ◽  
Alexander K. Hartmann ◽  
Satya N. Majumdar ◽  
Grégory Schehr
Keyword(s):  
Energy Spectrum ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
Random Energy

scholarly journals ON THE COMMON LIMIT OF THE PT-SYMMETRIC ROSEN–MORSE II AND FINITE SQUARE WELL POTENTIALS

2017 ◽  
Vol 57 (6) ◽  
pp. 412
Author(s):  
József Kovács ◽  
Géza Lévai
Keyword(s):  
Energy Spectrum ◽  
State Energy ◽  
Mathematical Structure ◽  
Bound State ◽  
Transmission And Reflection Coefficients ◽  
Common Limit ◽  
Symmetric Square ◽  
The Common ◽  
Square Well ◽  
Transmission And Reflection

Two <em>PT</em>-symmetric potentials are compared, which possess asymptotically finite imaginary components: the <em>PT</em>-symmetric Rosen-Morse II and the finite <em>PT</em>-symmetric square well potentials. Despite their different mathematical structure, their shape is rather similar, and this fact leads to similarities in their physical characteristics. Their bound-state energy spectrum was found to be purely real, an this finding was attributed to their <br />asymptotically non-vanishing imaginary potential components. Here the <em>V(x</em>)= <em>γδ</em>(<em>x</em>)+ i2Λ sgn(<em>x</em>) potential is discussed, which can be obtained as the common limit of the two other potentials. The energy spectrum, the bound-state wave functions and the transmission and reflection coefficients are studied in the respective limits, and the results are compared.

scholarly journals Pseudo-spin Symmetry in Dirac-Four-Parameter Diatomic Problem Coupled with a Coulomb-like Tensor potential

BIBECHANA ◽  
2012 ◽  
Vol 8 ◽  
pp. 23-30
Author(s):  
Mahdi Eshghi
Keyword(s):  
Energy Spectrum ◽  
Dirac Equation ◽  
State Energy ◽  
Spin Symmetry ◽  
Bound State ◽  
Wave Functions ◽  
Bound State Energy ◽  
Tensor Potential ◽  
Uvarov Method ◽  
Spinor Wave

In this work, we use the parametric generalization of the Nikiforov-Uvarov method to obtain the relativistic bound state energy spectrum and the corresponding spinor wave-functions for four-parameter diatomic potential coupled with a Coulomb-like tensor under the condition of the pseudo-spin symmetry. Also, some numerical results have given.Keywords: Dirac equation; four-parameter diatomic potential; Coulomb-like tensorDOI: http://dx.doi.org/10.3126/bibechana.v8i0.4879BIBECHANA 8 (2012) 23-30

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