Biexciton-like quartet condensates in an electron-hole liquid
We theoretically study the ground-state properties and the condensations of exciton-like Cooper pairs and biexciton-like Cooper quartets in an electron-hole system. Applying the quartet Bardeen-Cooper-Schrieffer (BCS) theory to the four-component fermionic system consisting of spin-1/2 electrons and...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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American Physical Society
2022-05-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.4.023152 |
| _version_ | 1797210734776549376 |
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| author | Yixin Guo (郭一昕) Hiroyuki Tajima (田島裕之) Haozhao Liang (梁豪兆) |
| author_facet | Yixin Guo (郭一昕) Hiroyuki Tajima (田島裕之) Haozhao Liang (梁豪兆) |
| author_sort | Yixin Guo (郭一昕) |
| collection | DOAJ |
| description | We theoretically study the ground-state properties and the condensations of exciton-like Cooper pairs and biexciton-like Cooper quartets in an electron-hole system. Applying the quartet Bardeen-Cooper-Schrieffer (BCS) theory to the four-component fermionic system consisting of spin-1/2 electrons and spin-1/2 holes, we show how Cooper pairs and quartet correlations appear in the equation of state at the thermodynamic limit. The biexciton-like four-body correlations survive even at the high-density regime as a many-body BCS-like state of Cooper quartets. Our results are useful for further understanding of exotic matter in the interdisciplinary context of quantum many-body physics with multiple degrees of freedom. |
| first_indexed | 2024-04-24T10:15:18Z |
| format | Article |
| id | doaj.art-84c4ca1c8d6741698f2b0a7dfa9b1ccd |
| institution | Directory Open Access Journal |
| issn | 2643-1564 |
| language | English |
| last_indexed | 2024-04-24T10:15:18Z |
| publishDate | 2022-05-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj.art-84c4ca1c8d6741698f2b0a7dfa9b1ccd2024-04-12T17:21:13ZengAmerican Physical SocietyPhysical Review Research2643-15642022-05-014202315210.1103/PhysRevResearch.4.023152Biexciton-like quartet condensates in an electron-hole liquidYixin Guo (郭一昕)Hiroyuki Tajima (田島裕之)Haozhao Liang (梁豪兆)We theoretically study the ground-state properties and the condensations of exciton-like Cooper pairs and biexciton-like Cooper quartets in an electron-hole system. Applying the quartet Bardeen-Cooper-Schrieffer (BCS) theory to the four-component fermionic system consisting of spin-1/2 electrons and spin-1/2 holes, we show how Cooper pairs and quartet correlations appear in the equation of state at the thermodynamic limit. The biexciton-like four-body correlations survive even at the high-density regime as a many-body BCS-like state of Cooper quartets. Our results are useful for further understanding of exotic matter in the interdisciplinary context of quantum many-body physics with multiple degrees of freedom.http://doi.org/10.1103/PhysRevResearch.4.023152 |
| spellingShingle | Yixin Guo (郭一昕) Hiroyuki Tajima (田島裕之) Haozhao Liang (梁豪兆) Biexciton-like quartet condensates in an electron-hole liquid Physical Review Research |
| title | Biexciton-like quartet condensates in an electron-hole liquid |
| title_full | Biexciton-like quartet condensates in an electron-hole liquid |
| title_fullStr | Biexciton-like quartet condensates in an electron-hole liquid |
| title_full_unstemmed | Biexciton-like quartet condensates in an electron-hole liquid |
| title_short | Biexciton-like quartet condensates in an electron-hole liquid |
| title_sort | biexciton like quartet condensates in an electron hole liquid |
| url | http://doi.org/10.1103/PhysRevResearch.4.023152 |
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