Journal
PHYSICAL REVIEW B
Volume 90, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.90.165411
Keywords
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Funding
- German Science Foundation (DFG)
- German-Israeli Foundation (GIF) [1183-229.14/2011]
- MEXT KAKENHI Quantum Cybernetics
- KAKENHI [26400390, 26220711]
- Grants-in-Aid for Scientific Research [26400390, 26220711] Funding Source: KAKEN
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In the context of fluctuation relations, we study the distribution of energy dissipated by a driven two-level system. Incorporating an energy counting field into the well-known spin-boson model enables us to calculate the distribution function of the amount of energy exchanged between the system and the bath. We also derive the conditional distribution functions of the energy exchanged with the bath for particular initial and/or final states of the two-level system. We confirm the symmetry of the conditional distribution function expected from the theory of fluctuation relations. We also find that the conditional distribution functions acquire considerable quantum corrections at times shorter or of the order of the dephasing time. Our findings can be tested using solid-state qubits.
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