![quantum mechanics - In handling two 1/2-spin particles, why is there only one singlet state? - Physics Stack Exchange quantum mechanics - In handling two 1/2-spin particles, why is there only one singlet state? - Physics Stack Exchange](https://i.stack.imgur.com/Yn8pD.png)
quantum mechanics - In handling two 1/2-spin particles, why is there only one singlet state? - Physics Stack Exchange
![Enhanced quantum coherence in exchange coupled spins via singlet-triplet transitions | Science Advances Enhanced quantum coherence in exchange coupled spins via singlet-triplet transitions | Science Advances](https://www.science.org/cms/10.1126/sciadv.aau4159/asset/0261cd72-2796-4f6b-b98c-6d8100903cbf/assets/graphic/aau4159-f1.jpeg)
Enhanced quantum coherence in exchange coupled spins via singlet-triplet transitions | Science Advances
![Understanding the singlet and triplet states in magnetic resonance - Nagashima - 2013 - Concepts in Magnetic Resonance Part A - Wiley Online Library Understanding the singlet and triplet states in magnetic resonance - Nagashima - 2013 - Concepts in Magnetic Resonance Part A - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/5cee9d61-c490-4cab-a42c-c77c22d22182/cmra21282-fig-0002-m.png)
Understanding the singlet and triplet states in magnetic resonance - Nagashima - 2013 - Concepts in Magnetic Resonance Part A - Wiley Online Library
![Promoting Singlet/triplet Exciton Transformation in Organic Optoelectronic Molecules: Role of Excited State Transition Configuration | Scientific Reports Promoting Singlet/triplet Exciton Transformation in Organic Optoelectronic Molecules: Role of Excited State Transition Configuration | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-05339-4/MediaObjects/41598_2017_5339_Fig1_HTML.jpg)
Promoting Singlet/triplet Exciton Transformation in Organic Optoelectronic Molecules: Role of Excited State Transition Configuration | Scientific Reports
![Optical examination of the change between singlet and triplet states of electron pairs in charge-separated states Optical examination of the change between singlet and triplet states of electron pairs in charge-separated states](https://scx2.b-cdn.net/gfx/news/2021/snapshots-from-the-qua.jpg)