Phymaths podcast
Phymaths podcast
Hassaan Saleem
Phymaths podcast # 68 || Dr. Keshav Dasgupta
1 hour 57 minutes Posted Mar 11, 2026 at 9:11 pm.
DescriptionKeshav Dasgupta is a theoretical physicist at McGill University, working on string compactifications, especially on achieving deSitter spacetime from string theory (including the possibility of achieving deSitter as an excited state). The list of his works can be found below.Some links1) His works: https://inspirehep.net/authors/1012406?ui-citation-summary=true2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: [email protected] stamps
Coming Up
Introduction of the guest
His current projects
The deSitter problem in string theory (a summary)
deSitter as an excited state
Breaking supersymmetry
Norm of coherent states
Fluctuations as coherent states
Why did the 500-page paper become that long?
Duality sequences
Non-supersymmetric case?
What are you calculating?
Evading no-go theorems
Worldsheet description available?
Holographic dual of Glauber Sudharshan state
The issue of scale separation
Satisfying swampland constraints
Embedding standard model
Using localization techniques
Open problems
Choosing research problems
Handling multiple projects
(People's question) Comparison with KKLT
(People's question) Writing short papers
Interaction with Ed Witten
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1:57:39
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Show notes
DescriptionKeshav Dasgupta is a theoretical physicist at McGill University, working on string compactifications, especially on achieving deSitter spacetime from string theory (including the possibility of achieving deSitter as an excited state). The list of his works can be found below.Some links1) His works: https://inspirehep.net/authors/1012406?ui-citation-summary=true2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: [email protected] stamps(0:00) Coming Up(0:41) Introduction of the guest(0:59) His current projects(15:23) The deSitter problem in string theory (a summary)(26:42) deSitter as an excited state(35:09) Breaking supersymmetry(38:05) Norm of coherent states(39:08) Fluctuations as coherent states(41:28) Why did the 500-page paper become that long?(45:50) Duality sequences(55:16) Non-supersymmetric case?(1:02:30) What are you calculating?(1:07:39) Evading no-go theorems(1:14:09) Worldsheet description available?(1:17:10) Holographic dual of Glauber Sudharshan state(1:18:23) The issue of scale separation(1:21:00) Satisfying swampland constraints(1:24:34) Embedding standard model(1:27:51) Using localization techniques(1:31:22) Open problems(1:36:41) Choosing research problems(1:43:19) Handling multiple projects(1:44:50) (People's question) Comparison with KKLT(1:49:16) (People's question) Writing short papers(1:53:16) Interaction with Ed Witten(1:54:50) (People's question) Living in Montreal