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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Su, Shan-He Sun, Chang-Pu Li, Sheng-Wen Chen, Jin-Can |
| Description | Author Affiliation: Su SH ( Beijing Computational Science Research Center, Beijing 100084, People's Republic of China.); Sun CP ( Beijing Computational Science Research Center, Beijing 100084, People's Republic of China.); Li SW ( Institute of Quantum Science and Engineering, Texas A&M University, College Station, Texas 77843, USA.); Chen JC ( Department of Physics, Xiamen University, Xiamen 361005, People's Republic of China.) |
| Abstract | Photon impingement is capable of liberating electrons in electronic devices and driving the electron flux from the lower chemical potential to higher chemical potential. Previous studies hinted that the thermodynamic efficiency of a nanosized photoelectric converter at maximum power is bounded by the Curzon-Ahlborn efficiency $ η _{ CA } $ . In this study, we apply quantum effects to design a photoelectric converter based on a three-level quantum dot (QD) interacting with fermionic baths and photons. We show that, by adopting a pair of suitable degenerate states, quantum coherences induced by the couplings of QDs to sunlight and fermion baths can coexist steadily in nanoelectronic systems. Our analysis indicates that the efficiency at maximum power is no longer limited to $ η _{ CA } $ through manipulation of carefully controlled quantum coherences. |
| File Format | HTM / HTML |
| ISSN | 24700045 |
| e-ISSN | 24700053 |
| Journal | Physical Review E |
| Issue Number | 5 |
| Volume Number | 93 |
| Language | English |
| Publisher | American Physical Society |
| Publisher Date | 2016-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Statistical and Nonlinear Physics many-body systems Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Statistics and Probability Statistical and Nonlinear Physics Condensed Matter Physics |
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