output
19992026
most citedHeat conduction in the disordered harmonic chain revisited

195 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions
Showing 2019 · quant-phShow all

7 papers · 2 filters

quant-ph2019★ 22 cited

Convex combinations of CP-divisible Pauli channels that are not semigroups

Vinayak Jagadish, R. Srikanth, Francesco Petruccione

We study the memory property of the channels obtained by convex combinations of Markovian channels that are not necessarily quantum dynamical semigroups (QDSs). In particular, we c…

quant-ph2019★ 6 cited

Quantumness of channels

Javid Naikoo, Subhashish Banerjee, R. Srikanth

The reliability of quantum channels for transmitting information is of profound importance from the perspective of quantum information. This naturally leads to the question as how…

quant-ph2019★ 52 cited

Temporal self-similarity of quantum dynamical maps as a concept of memorylessness

Shrikant Utagi, R. Srikanth, Subhashish Banerjee

The problem of defining quantum non-Markovianity has proven elusive, with various in-equivalent criteria put forth to address it. The concept of CP-indivisibility and the hierarchy…

quant-ph2019★ 28 cited

Convex Combinations of Pauli Semigroups: Geometry, Measure and an Application

Vinayak Jagadish, R. Srikanth, Francesco Petruccione

Finite-time Markovian channels, unlike their infinitesimal counterparts, do not form a convex set. As a particular instance of this observation, we consider the problem of mixing t…

quant-ph2019★ 9 cited

Measure of not-completely-positive qubit maps: the general case

Vinayak Jagadish, R. Srikanth, Francesco Petruccione

We show that the set of not-completely-positive (NCP) maps is unbounded, unless further assumptions are made. This is done by first proposing a reasonable definition of a valid NCP…

quant-ph2019

Contextuality and nonlocality of indistinguishable particles

Debajyoti Gangopadhyay, R. Srikanth

Unlike in the case of distinguishable particles, the concept of entanglement-- not to mention, nonlocality-- remains debated in case of indistinguishable particles. Here, we show t…

quant-ph2019★ 8 cited

Measure of positive and not completely positive single-qubit Pauli maps

Vinayak Jagadish, R. Srikanth, Francesco Petruccione

The time evolution of an initially uncorrelated system is governed by a completely positive (CP) map. More generally, the system may contain initial (quantum) correlations with an…