07 February 2024

ICTS graduate student Souvik Jana is one of the selective pan-TIFR Sarojini Damodaran International Student Travel Fellowship awardees.

Recently, a work led by Souvik proposed how gravitational waves can be used to resolve the Hubble tension in cosmology. It was published in the Physical Review Letters.

Souvik, working with Prof. Parameswaran Ajith, will avail of this fellowship to visit the University of California, Santa Barbara (UCSB), and continue their collaboration with Prof. Tejaswi Nerella building on their exciting work on using gravitational waves for cosmography.

“I feel happy and grateful for getting the fellowship,” said Souvik.

The team plans to use the observations of lensed gravitational wave events, which next-generation gravitational wave detectors like Cosmic Explorer and Einstein Telescope will detect. “Currently, we are working on developing a way to use future observations of lensed gravitational waves to probe the nature of dark matter,” said Souvik, adding, “This will help us understand whether dark matter is cold or warm.”

“On behalf of all, I congratulate Souvik for his excellent graduate research work, which has earned him this honour,” said Prof. Rajesh Gopakumar, adding, “I wish him a very fruitful visit to UCSB and more exciting results in the coming months.”