scholarly journals Mean-Field Theory for Heisenberg Zigzag Ladder: Ground State Energy and Spontaneous Symmetry Breaking

2006 ◽  
Vol 7 (7-8) ◽  
pp. 1579-1590 ◽  
Author(s):  
Vagharsh V. Mkhitaryan ◽  
Tigran A. Sedrakyan
Keyword(s):  
Field Theory ◽  
Symmetry Breaking ◽  
Spontaneous Symmetry Breaking ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
Mean Field Theory ◽  
Mean Field

Ground State Properties of Z = 114 Isotopes in the Relativistic Mean-Field Theory

1997 ◽  
Vol 14 (4) ◽  
pp. 259-262 ◽  
Author(s):  
Ren Zhong-zhou ◽  
Zhu Zhi-yuan ◽  
Cai Yan-huang ◽  
Shen Yao-song ◽  
Zhan Wen-long ◽  
...  
Keyword(s):  
Field Theory ◽  
Ground State ◽  
Mean Field Theory ◽  
Mean Field ◽  
Relativistic Mean Field Theory ◽  
Relativistic Mean Field ◽  
Ground State Properties

scholarly journals Ground-state energy of a Richardson-Gaudin integrable BCS model

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Yibing Shen ◽  
Phillip Isaac ◽  
Jon Links
Keyword(s):  
Integral Equation ◽  
Ground State Energy ◽  
Ground State ◽  
Continuum Limit ◽  
State Energy ◽  
Mean Field ◽  
Bcs Model ◽  
Energy Expression ◽  
The Continuum

We investigate the ground-state energy of a Richardson-Gaudin integrable BCS model, generalizing the closed and open p+ip models. The Hamiltonian supports a family of mutually commuting conserved operators satisfying quadratic relations. From the eigenvalues of the conserved operators we derive, in the continuum limit, an integral equation for which a solution corresponding to the ground state is established. The energy expression from this solution agrees with the BCS mean-field result.

High-Order Strong-Coupling Calculation of the Ground-State Energy Density in Supersymmetric Field Theory

1985 ◽  
Vol 54 (23) ◽  
pp. 2481-2484 ◽  
Author(s):  
Carl M. Bender ◽  
Paul H. Burchard ◽  
Ashok Das ◽  
Hwa-Aun Lim ◽  
Joel A. Shapiro
Keyword(s):  
Field Theory ◽  
Energy Density ◽  
Strong Coupling ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
High Order ◽  
Coupling Calculation

Mean field theory on the incommensurate ground state of the zigzag spin chain

2002 ◽  
Vol 294 (3-4) ◽  
pp. 239-244 ◽  
Author(s):  
Liqun Sun ◽  
Jianhui Dai ◽  
Shaojin Qin ◽  
Jun Zhang
Keyword(s):  
Field Theory ◽  
Ground State ◽  
Spin Chain ◽  
Mean Field Theory ◽  
Mean Field
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