Condensation of Pseudomagnons in a Two-Dimensional Anisotropic S = 1 Pseudospin System
- Autores: Vasinovich E.V.1, Moskvin A.S.1, Panov Y.D.1
- 
							Afiliações: 
							- Ural Federal University
 
- Edição: Volume 60, Nº 11 (2018)
- Páginas: 2145-2149
- Seção: Superconductivity
- URL: https://journal-vniispk.ru/1063-7834/article/view/204213
- DOI: https://doi.org/10.1134/S1063783418110331
- ID: 204213
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Resumo
Abstract—A 2D anisotropic system of S = 1 centers of the charge triplet type in systems with variable valence or “semi-hard-core” boson systems with a limitation for the occupation of lattice sites n = 0, 1, 2 is studied in the framework of the pseudospin formalism. Assuming that the ground state is a quantum paramagnet, the pseudo-spin wave spectrum and also the conditions of the condensation of pseudomagnons with a phase transition to a superconducting state have been found using the Schwinger boson method.
Sobre autores
E. Vasinovich
Ural Federal University
							Autor responsável pela correspondência
							Email: vasinovich@gmail.com
				                					                																			                												                	Rússia, 							Yekaterinburg, 620002						
A. Moskvin
Ural Federal University
														Email: vasinovich@gmail.com
				                					                																			                												                	Rússia, 							Yekaterinburg, 620002						
Yu. Panov
Ural Federal University
														Email: vasinovich@gmail.com
				                					                																			                												                	Rússia, 							Yekaterinburg, 620002						
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