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Volume 7, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 7, No 1, Winter-Spring 2013)
IJOP 2013, 7(1): 47-53 |
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aleebrahim E, kheirandish F. Super operator Technique in Investigation of the Dynamics of a Two Non-Interacting Qubit System Coupled to a Thermal Reservoir. IJOP 2013; 7 (1) :47-53
URL: http://ijop.ir/article-1-144-en.html
URL: http://ijop.ir/article-1-144-en.html
1- Department of Physics, Faculty of Science, University of Isfahan
2- Quantum Optics Group, Department of Physics, Faculty of Science, University of Isfahan
2- Quantum Optics Group, Department of Physics, Faculty of Science, University of Isfahan
Abstract: (16093 Views)
In this paper, we clarify the applicability of the super operator technique for describing the dissipative quantum dynamics of a system consists of two qubits coupled with a thermal bath at finite temperature. By using super operator technique, we solve the master equation and find the matrix elements of the density operator.
Considering the qubits to be initially prepared in a general mixed state, we explore the influence of dissipation on dynamical behavior of system. As expected, we obtain analytical evidence that the thermal photons and spontaneous emission of atoms are responsible for dissipation of entanglement of system.
Considering the qubits to be initially prepared in a general mixed state, we explore the influence of dissipation on dynamical behavior of system. As expected, we obtain analytical evidence that the thermal photons and spontaneous emission of atoms are responsible for dissipation of entanglement of system.
Type of Study: Research |
Subject:
Special
Received: 2013/10/3 | Revised: 2015/02/24 | Accepted: 2013/12/17 | Published: 2014/03/12
Received: 2013/10/3 | Revised: 2015/02/24 | Accepted: 2013/12/17 | Published: 2014/03/12
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