activity
20162026
most citedExact master equation for a spin interacting with a spin bath: Non-Markovianity and negative entropy production rate

89 citations · 284 across the 13 of their papers we have counts for

collaborators

26 papers

quant-ph2026

Modular non-Hermitian topology and its application to critical sensing

Saubhik Sarkar, Chiranjib Mukhopadhyay, Abolfazl Bayat

Non-Hermitian topological systems have attracted a lot of research activities in recent times, both theoretically and experimentally, due to their unique physical properties and as…

quant-ph2025

Quantum error correction for multiparameter metrology

Mauricio Gutiérrez, Chiranjib Mukhopadhyay, Victor Montenegro +1

For single-parameter sensing, Greenberger-Horne-Zeilinger (GHZ) probes achieve optimal quantum-enhanced precision across the unknown parameter range, solely relying on parameter-in…

quant-ph2025

Quantum reservoir computing for predicting and characterizing chaotic maps

Qingyu Li, Chiranjib Mukhopadhyay, Ludovico Minati +1

Quantum reservoir computing has emerged as a promising paradigm for harnessing quantum systems to process temporal data efficiently by bypassing the costly training of gradient-bas…

quant-ph2025

Beating joint quantum estimation limits with stepwise multiparameter metrology

Chiranjib Mukhopadhyay, Abolfazl Bayat, Victor Montenegro +1

Conventional multiparameter quantum sensing relies on joint estimation, but this approach faces two key limitations: theoretical bounds may be unattainable due to measurement incom…

quant-ph2025★ 3 cited

Quantum Reservoir Computing for Realized Volatility Forecasting

Qingyu Li, Chiranjib Mukhopadhyay, Abolfazl Bayat +1

Recent advances in quantum computing have demonstrated its potential to significantly enhance the analysis and forecasting of complex classical data. Among these, quantum reservoir…

quant-ph2024★ 19 cited

Current Trends in Global Quantum Metrology

Chiranjib Mukhopadhyay, Victor Montenegro, Abolfazl Bayat

Quantum sensors are now universally acknowledged as one of the most promising near-term quantum technologies. The traditional formulation of quantum sensing introduces a concrete b…