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- W3101961592 endingPage "475303" @default.
- W3101961592 startingPage "475303" @default.
- W3101961592 abstract "Composite bosons, here called {it quasibosons} (e.g. mesons, excitons, etc.), occur in various physical situations. Quasibosons differ from bosons or fermions as their creation and annihilation operators obey non-standard commutation relations, even for the fermion+fermion composites. Our aim is to realize the operator algebra of quasibosons composed of two fermions or two q-fermions (q-deformed fermions) by the respective operators of deformed oscillators, the widely studied objects. For this, the restrictions on quasiboson creation/annihilation operators and on the deformed oscillator (deformed boson) algebra are obtained. Their resolving proves uniqueness of the family of deformations and gives explicitly the deformation structure function (DSF) which provides the desired realization. In case of two fermions as constituents, such realization is achieved when the DSF is quadratic polynomial in the number operator. In the case of two q-fermions, qneq 1, the obtained DSF inherits the parameter q and does not continuously converge when qto 1 to the DSF of the first case." @default.
- W3101961592 created "2020-11-23" @default.
- W3101961592 creator A5008807080 @default.
- W3101961592 creator A5066287523 @default.
- W3101961592 creator A5074990575 @default.
- W3101961592 date "2011-11-03" @default.
- W3101961592 modified "2023-09-27" @default.
- W3101961592 title "Quasibosons composed of two<i>q</i>-fermions: realization by deformed oscillators" @default.
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- W3101961592 doi "https://doi.org/10.1088/1751-8113/44/47/475303" @default.
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