Calculation of Partition Functions Using the Functional-Integral Method

1972 ◽  
Vol 5 (7) ◽  
pp. 2736-2738 ◽  
Author(s):  
Robert A. Bari
Keyword(s):  
Integral Method ◽  
Functional Integral ◽  
Partition Functions ◽  
Functional Integral Method

scholarly journals Functional integral method in quantum field theory of Dirac fermions in graphene

2017 ◽  
Vol 8 (3) ◽  
pp. 035018
Author(s):  
Nguyen Duc Duoc Phan ◽  
Nhu Dat Nguyen ◽  
Van Hau Tran ◽  
Toan Thang Nguyen ◽  
Van Hieu Nguyen
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Integral Method ◽  
Functional Integral ◽  
Dirac Fermions ◽  
Quantum Field ◽  
Functional Integral Method

scholarly journals Bayesian Functional Integral Method for Inferring Continuous Data from Discrete Measurements

2012 ◽  
Vol 102 (3) ◽  
pp. 399-406 ◽  
Author(s):  
William J. Heuett ◽  
Bernard V. Miller ◽  
Susan B. Racette ◽  
John O. Holloszy ◽  
Carson C. Chow ◽  
...  
Keyword(s):  
Integral Method ◽  
Functional Integral ◽  
Continuous Data ◽  
Functional Integral Method

scholarly journals Phase transition in magnetic ultra-thin films

2019 ◽  
Vol 128 (1D) ◽  
Author(s):  
Phạm Hương Thảo ◽  
Ngô Thị Thuận ◽  
Phan Thị Hàn Ny
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Phase Transition ◽  
Transition Temperature ◽  
Phase Transition Temperature ◽  
Integral Method ◽  
Functional Integral ◽  
Spin Fluctuations ◽  
Surface Anisotropy ◽  
Functional Integral Method

<p>In this paper, we study influence of surface anisotropy on the phase transition in antiferromagnetic and ferromagnetic ultra-thin films by using functional integral method. Besides, spin fluctuations are also given to illustrate for these phase transitions. We find that the phase transition temperature of the ultra-thin films may be higher or lower than the phase transition temperature of the corresponding bulk systems, which depends on the surface anisotropy. Moreover, we also determine crossover points at which the phase transition temperature is not influenced by the thickness of the thin film.</p>

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