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The Structure of Quantum Stochastic Processes with Finite Markov Order
Philip Taranto, Simon Milz, Felix A. Pollock +1
Non-Markovian quantum processes exhibit different memory effects when measured in different ways; an unambiguous characterization of memory length requires accounting for the seque…
Tight, robust, and feasible quantum speed limits for open dynamics
Francesco Campaioli, Felix A. Pollock, Kavan Modi
Starting from a geometric perspective, we derive a quantum speed limit for arbitrary open quantum evolution, which could be Markovian or non-Markovian, providing a fundamental boun…
Quantum work statistics and resource theories: bridging the gap through Renyi divergences
G. Guarnieri, N. H. Y. Ng, K. Modi +3
The work performed on or extracted from a non-autonomous quantum system described by means of a two-point projective-measurement approach takes the form of a stochastic variable. W…
Quantum Markov Order
Philip Taranto, Felix A. Pollock, Simon Milz +2
We formally extend the notion of Markov order to open quantum processes by accounting for the instruments used to probe the system of interest at different times. Our description r…
Almost Markovian processes from closed dynamics
Pedro Figueroa-Romero, Kavan Modi, Felix A. Pollock
It is common, when dealing with quantum processes involving a subsystem of a much larger composite closed system, to treat them as effectively memory-less (Markovian). While open s…
Non-Markovian quantum control as coherent stochastic trajectories
Fattah Sakuldee, Simon Milz, Felix A. Pollock +1
We develop a notion of stochastic quantum trajectories. First, we construct a basis set of trajectories, called elementary trajectories, and go on to show that any quantum dynamica…