On condensation for an interacting boson system

1967 ◽  
Vol 48 (2) ◽  
pp. 249-261 ◽  
Author(s):  
A. Coniglio ◽  
M. Marinaro
Keyword(s):  
Boson System

scholarly journals Phase transition in an interacting boson system at finite temperatures

2019 ◽  
Vol 46 (3) ◽  
pp. 035002 ◽  
Author(s):  
D Anchishkin ◽  
I Mishustin ◽  
H Stoecker
Keyword(s):  
Phase Transition ◽  
Boson System

A NEW HAMILTONIAN OF INTERACTION FOR FERMIONS

2005 ◽  
Vol 19 (13n14) ◽  
pp. 669-681 ◽  
Author(s):  
ANDREI DOLOCAN ◽  
VOICU OCTAVIAN DOLOCAN ◽  
VOICU DOLOCAN
Keyword(s):  
Interaction Energy ◽  
The Self ◽  
Lagrangian Formalism ◽  
Expectation Values ◽  
Boson System ◽  
Self Energy ◽  
Fermion Gas

Using the Lagrangian formalism we attempt to introduce a new Hamiltonian for fermions. On this basis we have evaluated the expectation values for the interaction energy between fermions via bosons. The interaction energy between two fermions via phonons becomes attractive in a degenerate fermion-gas. The interaction energy between two fermions via photons appears to be attractive in certain conditions. The self-energy of the fermion + boson system, e.g. polaron and polariton, was evaluated.

scholarly journals Phase diagram of the selfinteracting particle­-antiparticle boson system

2021 ◽  
Vol 29 (1) ◽  
pp. 5-14
Author(s):  
D. Anchishkin ◽  
V. Gnatovskyy ◽  
D. Zhuravel ◽  
V. Karpenko
Keyword(s):  
Phase Transition ◽  
Phase Diagram ◽  
Phase Diagrams ◽  
Canonical Ensemble ◽  
Bose Condensate ◽  
Mean Field ◽  
Thermodynamic Quantities ◽  
Boson System ◽  
The Mean

A system of interacting relativistic bosons at finite temperatures and isospin densities is studied within the framework of the Skyrme­like mean­field model. The mean field contains both attractive and repulsive terms. The consideration is taken within the framework of the Canonical Ensemble and the isospin­density dependencies of thermodynamic quantities is obtained, in particular as the phase diagrams. It is shown that in such a system, in addition to the formation of a Bose­Einstein condensate, a liquid­gas phase transition is possible. We prove that the multi­boson system develops the Bose condensate for particles of high­density component only.

scholarly journals Majorana representation for the nonlinear two-mode boson system

2017 ◽  
Vol 66 (16) ◽  
pp. 160302
Author(s):  
Fang Jie ◽  
Han Dong-Mei ◽  
Liu Hui ◽  
Liu Hao-Di ◽  
Zheng Tai-Yu
Keyword(s):  
Boson System ◽  
Majorana Representation

Chaos in a spin-boson system: Classical analysis

1992 ◽  
Vol 216 (2) ◽  
pp. 291-312 ◽  
Author(s):  
M.A.M de Aguiar ◽  
K Furuya ◽  
C.H Lewenkopf ◽  
M.C Nemes
Keyword(s):  
Classical Analysis ◽  
Boson System

Exceptional point and degeneracy of the neutral heavy Higgs boson system H[sub 2]−H[sub 3]

2010 ◽  
Author(s):  
O. Félix-Beltrán ◽  
M. Gómez-Bock ◽  
E. Hernández ◽  
A. Mondragón ◽  
M. Mondragón ◽  
...  
Keyword(s):  
Higgs Boson ◽  
Exceptional Point ◽  
Boson System ◽  
Heavy Higgs Boson
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