Dipan Ghosh is an Indian theoretical physicist, best known for his exact enumeration of the ground state of a Heisenberg antiferromagnet

Heisenberg model (quantum)

The Heisenberg model is a statistical mechanical model used in the study of critical points and phase transitions of magnetic systems, in which the spin of the magnetic systems are treated quantum mechanically...

, known in literature as the Majumdar–Ghosh Model. He was the deputy director of the Indian Institute of Technology, Bombay from 2005 to 2006, and was the president of the Indian Physics Association from 2005 to 2007.

Ghosh did his PhD from the Tata Institute of Fundamental Research

Tata Institute of Fundamental Research

The Tata Institute of Fundamental Research is a research institution in India dedicated to basic research in mathematics and the sciences. It is a Deemed University and works under the umbrella of the Department of Atomic Energy of the Government of India. It is located at Navy Nagar, Colaba, Mumbai...

 in Mumbai

Mumbai

Mumbai , formerly known as Bombay in English, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fourth most populous city in the world, with a total metropolitan area population of approximately 20.5 million...

, under the guidance of Prof. C. K. Majumdar, with a thesis titled “Study of Magnetic Hamiltonians”. He held appointments at the University of California, Santa Cruz

University of California, Santa Cruz

The University of California, Santa Cruz, also known as UC Santa Cruz or UCSC, is a public, collegiate university; one of ten campuses in the University of California...

 and at Viswa Bharati University, before joining IIT Bombay in 1974. He is currently Professor Emeritus at IIT Bombay.