Matches in SemOpenAlex for { <https://semopenalex.org/work/W2966544963> ?p ?o ?g. }
- W2966544963 abstract "By means of a well-grounded mapping scheme linking Schwinger unitary operators and generators of the special unitary group $mathrm{SU(N)}$, it is possible to establish a self-consistent theoretical framework for finite-dimensional discrete phase spaces which has the discrete $mathrm{SU(N)}$ Wigner function as a legitimate by-product. In this paper, we apply these results with the aim of putting forth a detailed study on the discrete $mathrm{SU(2)} otimes mathrm{SU(2)}$ and $mathrm{SU(4)}$ Wigner functions, in straight connection with experiments involving, among other things, the tomographic reconstruction of density matrices related to the two-qubit and ququart states. Next, we establish a formal correspondence between both the descriptions that allows us to visualize the quantum correlation effects of these states in finite-dimensional discrete phase spaces. Moreover, we perform a theoretical investigation on the two-qubit X-states, which combines discrete Wigner functions and their respective marginal distributions in order to obtain a new function responsible for describing qualitatively the quantum correlation effects. To conclude, we also discuss possible extensions to the discrete Husimi and Glauber-Sudarshan distribution functions, as well as future applications on spin chains." @default.
- W2966544963 created "2019-08-13" @default.
- W2966544963 creator A5067148321 @default.
- W2966544963 creator A5070852868 @default.
- W2966544963 date "2019-08-07" @default.
- W2966544963 modified "2023-09-27" @default.
- W2966544963 title "Representations of two-qubit and ququart states via discrete Wigner functions" @default.
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