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Source: Entropy. 2020. Vol. 22, № 5. P. 586 (1-25)
Type: статьи в журналах
Date: 2020
Description:
In a differential approach elaborated, we study the evolution of the parameters of Gaussian, mixed, continuous variable density matrices, whose dynamics are given by Hermitian Hamiltonians expressed a
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Source: Entropy. 2019. Vol. 21, № 8. P. 736 (1-12)
Type: статьи в журналах
Date: 2019
Description:
The evolution of an open system is usually associated with the interaction of the system with an environment. A new method to study the open-type system evolution of a qubit (two-level atom) state is
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Source: Quantum information processing. 2019. Vol. 18, № 7. P. 210 (1-14)
Type: статьи в журналах
Date: 2019
Description:
A method to establish a qubit decomposition of a general qudit state is presented. This new representation allows a geometrical depiction of any qudit state in the Bloch sphere. Additionally, we show
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Source: Physical Review E. 2018. Vol. 97, № 2. P. 022128-1-022128-10
Type: статьи в журналах
Date: 2018
Description:
The positivity conditions of the relative entropy between two thermal equilibrium states $hat{
Source: Entropy. 2018. Vol. 20, № 9. P. 630 (1-17)
Type: статьи в журналах
Date: 2018
Description:
A new geometric representation of qubit and qutrit states based on probability simplexes is used to describe the separability and entanglement properties of density matrices of two qubits. The Peres--
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