Research Topics and selected publications
Theory of open quantum systems
Description and quasi-locality properties, classical and quantum algorithms for simulation open systems, non-Markovian effects in open quantum systems.
G. Gonzalez et al, R. Trivedi, Dynamical Complexity of non-Gaussian many-body systems with dissipation (2025) [arXiv].
V. Kashyap et al, R. Trivedi, Accuracy guarantees and quantum advantage in analog open quantum simulation with and without noise, Physical Review X (2025) [arXiv].
R. Trivedi, M. Rudner, A lieb-robinson bound for open systems with memory (2024) [arXiv].
R. Trivedi, J. I. Cirac, Transitions in computational complexity of continuous-time open quantum dynamics, Physical Review Letters (2022) [arXiv].
R. Trivedi, D. Malz, J. I. Cirac, Convergence guarantees for discrete-mode approximations to non-Markovian quantum baths, Physical Review Letters (2021) [arXiv].
Quantum optics theory
Non-classical light generation, collective dissipation, non-Markovian effects in quantum optical systems, quantum control design and applications to quantum simulation and metrology.
R. Trivedi, K. Fischer, S. Fan, J. Vuckovic, Few-particle scattering from localized quantum systems in spatially structured bosonic baths, Quantum Journal (2022) [arXiv].
R. Trivedi, D. Malz, S. Sun, S. Fan, J. Vuckovic, Optimal two-photon excitation of bound states in waveguide QED, Physical Review A (2021) [arXiv].
R. Trivedi, M. Radulaski, K. Fischer, S. Fan, J. Vuckovic, Photon blockade in weakly driven cavity quantum eletrodynamics with many emitters, Physical Review Letters (2019) [arXiv].
R. Trivedi, K. Fischer, S. Fan, J. Vuckovic, Few photon scattering and emission from low-dimensional quantum systems, Physical Review B (2021) [arXiv].
Quantum simulation with noisy devices
Noise robustness of quantum simulators, quantum advantage with noisy devices, Noise characterization and tomography.
G. Gonzalez, J. I. Cirac, R. Trivedi, Pauli path simulation of noisy quantum circuits beyond the average case (2024) [arXiv]
R. Trivedi, A. Franco Rubio, J. I. Cirac, Quantum advantage and stability to errors in analogue quantum simulators, Nature Communications (2024) [arXiv].
S. D. Mishra, M. Frias, R. Trivedi, Classically computing performance bounds on depolarized quantum circuits, Physical Review X Quantum (2024) [arXiv].
G. Gonzalez, R. Trivedi, J. I. Cirac, Error propagation in NISQ devices for solving classical optimization problems, Physical Review X Quantum (2022) [arXiv].
