Bhavtosh Bansal

Research Scholars

Deepesh Kalauni

Aniket Bajaj

Rivu Parvez

Siddharth Rout

Postdoctoral Fellows

1. Evidence of athermal metastable phase in a halide perovskite: Optically tracked thermal-breach memory, Kingshuk Mukhuti, Satyaki Kundu, Debasmita Pariari, Deepesh Kalauni, Ashutosh Mohanty, Aniket Bajaj, D. D. Sarma, and Bhavtosh Bansal, Physical Review Letters 134, 076901 (2025)
2. Exceptionally Slow, Long Range, and Non-Gaussian Critical Fluctuations Dominate the Charge Density Wave Transition,Sk Kalimuddin, Sudipta Chatterjee, Arnab Bera, Hasan Afzal, Satyabrata Bera, Deep Singha Roy, Soham Das, Tuhin Debnath, Bhavtosh Bansal, Mintu Mondal, Physical Review Letters 132, 266504 (2024).
3. Dynamic hysteresis at a noisy saddle node shows power-law scaling but nonuniversal exponent, Satyaki Kundu, Ranjan Kumar Patel, Srimanta Middey, and Bhavtosh Bansal, Physical Review E 108, 024101 (2023).
4. Carrier thermalization and zero-point bandgap renormalization in halide perovskites from the Urbach tails of the emission spectrum, Kingshuk Mukhuti, Arnab Mandal, Basabendra Roy, Sayan Bhattacharyya, and Bhavtosh Bansal, Applied Physics Letters 121, 182104 (2022).
5. Dissipation-induced symmetry breaking: Emphanitic transitions in lead-and tin-containing chalcogenides and halide perovskites, Kingshuk Mukhuti, Sudip Sinha, Subhasis Sinha, Bhavtosh Bansal, Applied Physics Letters 118, 162111 (2021),
6. Critical slowing down at the abrupt Mott transition: When the first-order phase transition becomes zeroth-order and looks like second-order, Satyaki Kundu, Tapas Bar, Rajesh Kumble Nayak, and Bhavtosh Bansal, Physical Review Letters 124, 095703 (2020).
7. Kinetic spinodal instabilities in the Mott transition in V2O3: Evidence from hysteresis scaling and dissipative phase ordering, Tapas Bar, Sujeet Kumar Choudhary, Md. Arsalan Ashraf, K. S. Sujith, Sanjay Puri, Satyabrata Raj, Bhavtosh Bansal, Physical Review Letters 121, 045701 (2018).
8. Measurements of the electric field of zero-point optical phonons in GaAs quantum wells support the Urbach rule for zero-temperature lifetime broadening, Rupak Bhattacharya, Richarj Mondal, Pradip Khatua, A. Rudra, E. Kapon, S. Malzer, G. Doehler, Bipul Pal, Bhavtosh Bansal, 2015, Physical Review Letters 114, 047402.
9. Single-slit electron diffraction with Aharonov-Bohm phase: Feynman's thought experiment with quantum point contacts, Pradip Khatua, Bhavtosh Bansal, Dan Shahar, 2014, Physical Review Letters 112, 010403