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5 papers · 2 filters
Deformed Boson Scheme Stressing Even-Odd Boson Number Difference. II
A. Kuriyama, C. Providencia, J. da Providencia +2
The boson-pair coherent state developed in Part (I) is generalized to the case in which the state is a mixture of even-boson and odd-boson number states. A general framework is sho…
Nonequilibrium chiral dynamics by the time dependent variational approach with squeezed states
Naoko Ikezi, Masayuki Asakawa, Yasuhiko Tsue
We investigate the inhomogeneous chiral dynamics of the O(4) linear sigma model in 1+1 dimensions using the time dependent variational approach in the space spanned by the squeezed…
Deformed Boson Scheme Stressing Even-Odd Boson Number Difference. I
A. Kuriyama, C. Providencia, J. da Providencia +2
An idea of the deformed boson scheme developed by the present authors is applied to the case of boson-pair coherent state. In this state, even and odd boson number difference is st…
Note on the Orthogonal Set in Six Kinds of Boson Operators --In Relation to the su(1,1)- and its Relevant Algebras--
A. Kuriyama, C. Providencia, J. da Providencia +2
Following the basic idea proposed by the present authors in recent paper, a possible form of the orthogonal set for many-body system consisting of six kinds of boson operators is d…
A Possible Form of the Orthogonal Set in Six Kinds of Boson Operators --In Relation to the su(2)- and its Relevant Algebras--
A. Kuriyama, C. Providencia, J. da Providencia +2
With the aim of constructing coherent states for many-body systems consisting of six kinds of boson operators, a possible form of the orthogonal set is presented in terms of monomi…