Ansatz for the quantum phase transition in a dissipative two-qubit system
By means of a unitary transformation, we propose an ansatz to study quantum phase transitions in the ground state of a two-qubit system interacting with a dissipative reservoir. First, the ground-state phase diagram is analyzed in the presence of the Ohmic and sub-Ohmic bath using an analytic ground...
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| Main Authors: | , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2015
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/81156 http://hdl.handle.net/10220/39140 |
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| 機構: | Nanyang Technological University |
| 語言: | English |