The info. is mainly searched with "arpes group" using google, which means the info. is merely relevant?to arpes rather than HTSC. Just a few groups are intensely searched based on my interests and messages known before. The groups list below?will be adjusted soon or later and never?never.

Please notice: The order is?not in any particular order.

1. https://arpes.stanford.edu/

2. http://www.arpes.org.uk/

3. https://icqm.pku.edu.cn/rydw/jzyg/236914.htm

4. https://baumberger.unige.ch/

5. https://www.mpsd.mpg.de/128711/arpes

6. https://sciences.ucf.edu/physics/neupane-group/equipment/

7. http://info.phys.tsinghua.edu.cn/zhou/

8. http://ares.snu.ac.kr/index.html

9. https://kondo1215.issp.u-tokyo.ac.jp/

10. https://yilab.rice.edu/

11. https://baldinilab.org/

12. https://qmlab.ubc.ca/ARPES.html

13. https://physics.berkeley.edu/research-faculty/research-groups/lanzara-group

14. https://arpes.site/

15. https://u.osu.edu/kawakamigroup/

16. https://www.boschini-researchgroup.com/

17. https://yanglab.uchicago.edu/

18. https://arpes.phys.tohoku.ac.jp/index-e.html

19. http://arpes.whu.edu.cn/cn/index.php

20. http://laser-arpes.iphy.ac.cn/CN/index.html

21. https://www.rug.nl/research/zernike/surfaces-and-thin-films/grubisic-cabo-group/

22. https://sites.psu.edu/arpes/

23. https://faculty.sites.iastate.edu/adamkam/

24. https://dessau.appspot.com/index.html

25. https://qmi.ubc.ca/team-member/andrea-damascelli/

26. https://phy.princeton.edu/people/m-zahid-hasan