Phymaths podcast # 71 || Dr. Tejinder Pal Singh

Phymaths podcast # 71 || Dr. Tejinder Pal Singh

Description Dr. Tejinder Pal Singh is a theoretical physicist at the Tata Institute of Fundamental Physics, working on the unification of interactions using trace dynamics and octonions. A list of his works is linked below. Some links 1) His works: https://inspirehep.net/authors/988555?ui-citation-summary=true 2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/ Contact Info My website: hassaansaleem.com Follow on Instagram: https://www.instagram.com/hassaan.3142/ Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1 Follow on Twitter: https://twitter.com/Hassaan_PHY Email Queries: greatestmight@gmail.com Time stamps (0:00) Intro of the guest (0:16) His current projects (3:37) Octonions (13:57) Spacetime being classical (17:38) Structure of the Lagrangian and Connes time (22:50) Calculating path integral (33:21) Why octonions? (35:43) Role of SU(2) (39:57) Electroweak scale as QG scale? (46:17) Top quark problem (50:18) Fine structure constant (1:00:11) RG flow of Fine structure constant (1:02:45) (People's question) Advice for students (1:10:22) Anthropic reasoning (1:14:21) (People's question) AI's impact (1:17:29) (People's question) TIFR theory group (1:33:42) (People's question) Relativistic collapse models (1:38:45) (People's question) Thanu Padmanabhan (1:40:43) (People's question) John Baez's work

Phymaths podcast # 70 || Dr. Aninda Sinha

DescriptionDr. Aninda Sinha is a theoretical physicist at the Indian Institute of Science, working on S matrix bootstrap, string amplitudes, and conformal field theories, among other things. A list of his works is linked below.Some links1) His works: https://inspirehep.net/authors/1019630?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: greatestmight@gmail.comTime stamps(0:00) Coming Up(0:21) Introduction of the guests(0:37) His current projects(3:13) His interest in Physics(4:28) c-theorem and a-theorem(11:54) g-theorem(12:54) Conformal bootstrap(17:46) Conformal bootstrap and holography(24:20) String amplitudes and π(33:12) Circuit complexity(41:52) Building collaborations(44:56) Choosing a research problem(46:24) Coursework to research transition(50:04) Taking a PhD student(51:24) (People's question) Thoughts on LLMs(54:25) (People's question) Bootstrap for extended operators(54:57) (People's question) Non-Physics courses at IISc(57:15) (People's question) Academic job market(1:04:30) (People's question) N-point scattering(1:06:20) (People's question) Bootstrap and positive geometry

Phymaths podcast # 69 || Dr. Eran Palti

DescriptionEran Palti is a theoretical physicist at Ben-Gurion University, working on the low-energy behavior of string theory, string compactifications, and the swampland program. The list of his works can be found below.Some links1) His works: https://inspirehep.net/authors/10293902) 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.comJoin the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYFollow on Instagram: https://www.instagram.com/hassaan.3142/Email: phymaths3142@gmail.comTime stamps(0:00) Coming Up(0:11) Introduction of the guest(0:28) His current projects(6:41) Swampland Program(10:47) Distance conjecture(16:12) Metric on moduli spaces(17:52) Metric on vacuua(26:30) AdS distance conjecture(33:17) Building metrics on AdS vacuua(45:32) DGKT's holographic dual(47:24) DeSitter conjecture(51:39) Challenges of writing a review(56:00) Conceptual vs. calculation-based research(1:02:03) His other interests(1:02:58) (People's question) Textbook on swampland(1:06:16) (People's question) First postdoc expectation(1:10:36) (People's question) Purpose of swampland(1:15:39) (People's question) Giving up on a problem(1:19:38) (People's question) Passion vs Profession

Phymaths podcast # 68 || Dr. Keshav Dasgupta

Description Keshav 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 links 1) His works: https://inspirehep.net/authors/1012406?ui-citation-summary=true 2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/ Contact Info My website: hassaansaleem.com Follow on Instagram: https://www.instagram.com/hassaan.3142/ Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1X Follow on Twitter: https://twitter.com/Hassaan_PHY Email Queries: greatestmight@gmail.com Time 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

Phymaths podcast # 67 || Dr. Alok Laddha

Description Alok Laddha is a theoretical physicist at the Chennai Mathematical Institute, who majorly works on soft theorems, S matrices, and the positive geometry program. The list of his works can be found at the link provided below. Some links 1) His works: https://inspirehep.net/authors/1036956 2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/ Contact Info My website: hassaansaleem.com Follow on Instagram: https://www.instagram.com/hassaan.3142/ Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1X Follow on Twitter: https://twitter.com/Hassaan_PHY Email Queries: greatestmight@gmail.com Time Stamps (0:00) Coming up (0:22) Intro of the guest (0:44) His current projects (01:59) Soft theorems (12:16) Soft theorems and symmetries (18:43) Soft theorems for scalars (21:50) Soft theorem for higher spin? (25:40) Positive Geometry program (36:50) Unitarity from positive geometry (48:08) Gentle Quivers (for positive geometry) (50:37) Positive Geometry and Holography (53:30) Positive Geometry and String Field Theory (55:44) Reading Literature (1:01:02) Choosing problems (1:02:30) (People's question) Important problems (1:05:13) (People's question) Advice for PhD/Postdocs (1:07:37) (People's question) Research outside academia (1:09:40) (People's question) PhD after a big gap (1:11:07) (People's question) Hep-th job market (1:13:53) (People's question) Gravitational wave memory (1:15:53) (People's question) Leaving LQG (1:19:22) (People's question) His hobbies