Oskar Klein medal for physicist Ashoke Sen, first Indian to be honoured with top prize, Pg8

Key Highlights:

• Physicist Ashoke Sen has been awarded the Oskar Klein Medal for 2026, making him the first Indian to receive this prestigious honor.
• The medal is presented annually by Stockholm University and the Nobel Committee for Physics of the Royal Swedish Academy of Sciences for distinguished contributions to physics.
• Sen is recognized for his pioneering work on S-duality, precision counting of black hole entropy, and string field theory.
• He delivered the Oskar Klein Memorial Lecture titled 'Gravity from Strings and Strings from Gravity' at Stockholm University.

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Detailed Insights:

• Ashoke Sen is an ICTS-Infosys Madhava Chair Professor at the International Centre for Theoretical Sciences (ICTS) in Bengaluru.
• His research focuses on string theory, an effort to reconcile quantum theory and gravitation into a unified theory of physics.
• Sen's previous accolades include the Dirac Medal and the Breakthrough Prize in Fundamental Physics.
• Other notable Indian physicists recently honored include Deepak Dhar, who received both the Dirac Medal and the Boltzmann Medal.
• Indian-origin American physicist Jainendra Jain was also awarded the Wolf Prize, highlighting the global recognition of Indian scientific contributions.
• These awards are considered among the most significant in physics, often regarded as precursors to the Nobel Prize.

Scientific/Technical Concepts Involved:

• Oskar Klein Medal: An annual award recognizing distinguished contributions to theoretical physics, named after Swedish physicist Oskar Klein.
• String Theory: A theoretical framework that posits fundamental particles are one-dimensional vibrating strings, aiming to unify all fundamental forces.
• S-duality: A concept in theoretical physics, pioneered by Ashoke Sen, that establishes an equivalence between two seemingly different physical theories.
• Black Hole Entropy: A measure of the hidden information or disorder within a black hole, directly proportional to the area of its event horizon.
• String Field Theory: A formulation of string theory that describes the dynamics and interactions of strings using the principles of quantum field theory.