75 citations · 156 across the 7 of their papers we have counts for
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hep-th2021
Operator Complexity for Quantum Scalar Fields and Cosmological Perturbations
S. Shajidul Haque, Chandan Jana, Bret Underwood
We calculate the operator complexity for the displacement, squeeze and rotation operators of a quantum harmonic oscillator. The complexity of the time-dependent displacement operat…
cond-mat.stat-mech2021★ 4 cited
A study of non-linear Langevin dynamics under non-Gaussian noise with quartic cumulant
Chandan Jana
We consider a non-linear Langevin equation in presence of non-Gaussian noise originating from non-linear bath. We claim, the parameters in the Langevin equation are not physical. T…
hep-th2021★ 17 cited
Saturation of Thermal Complexity of Purification
S. Shajidul Haque, Chandan Jana, Bret Underwood
We purify the thermal density matrix of a free harmonic oscillator as a two-mode squeezed state, characterized by a squeezing parameter and squeezing angle. While the squeezing par…