activity
20232026
most citedHigher-dimensional entanglement detection and quantum channel characterization using moments of generalized positive maps

9 citations · 33 across the 14 of their papers we have counts for

collaborators

17 papers

quant-ph2026

Optical interferometric tools for probing memory effects

Saheli Mukherjee, Bivas Mallick, Samyadeb Bhattacharya +2

Recent efforts to detect non-Markovian memory have become increasingly important, motivated by the broad relevance of memory effects in quantum information processing, metrology, a…

quant-ph2026

Witness-based quantification of non-Markovianity without complete Choi state reconstruction

Pritam Roy, Saheli Mukherjee, Bivas Mallick

Quantifying non-Markovianity is a fundamental problem in the theory of open quantum systems, as it is essential for exploiting environmental memory as a resource in quantum technol…

quant-ph2026

Optimal entanglement criteria from trace invariants

Bivas Mallick, Aabhas Gulati, Ion Nechita

Randomized measurement protocols give experimental access to low-degree polynomial invariants of a quantum state rather than to the state itself, which raises the question of what…

quant-ph2026

Operational certification of nonclassicality in arbitrary quantum states from few copies

Sudip Chakrabarty, Bivas Mallick, Ananda G. Maity +1

States with negative Wigner functions constitute a fundamental nonclassical resource underlying quantum advantage. However, their experimental certification typically relies on rec…

quant-ph2026

Absolute Schmidt number: characterization, detection and resource-theoretic quantification

Bivas Mallick, Saheli Mukherjee, Nirman Ganguly +1

The dimensionality of entanglement, quantified by the Schmidt number, is a valuable resource for a wide range of quantum information processing tasks. In this work, we introduce th…

quant-ph2026

Detection of quantum imaginarity using moments and its interferometric realization

Sudip Chakrabarty, Saheli Mukherjee, Ananda G. Maity +1

Complex numbers, intrinsic to the formulation of quantum theory, play a pivotal role in enabling advantages across a broad range of quantum information-processing tasks. Despite th…

quant-ph2025★ 1 cited

Certifying the dimensionality of any quantum channel with minimal assumptions

Saheli Mukherjee, Bivas Mallick, Pratik Ghosal

High-dimensional entanglement offers significant advantages over its low-dimensional counterpart in various information-processing tasks. However, to harness these advantages, it i…

quant-ph2025

Detection of nonabsolute separability in quantum states and channels through moments

Bivas Mallick, Saheli Mukherjee, Nirman Ganguly +1

In quantum information and computation, the generation of entanglement through unitary gates remains a significant and active area of research. However, there are states termed as…

quant-ph2025★ 2 cited

Fidelity of entanglement and quantum entropies: unveiling their relationship in quantum states and channels

Komal Kumar, Bivas Mallick, Tapaswini Patro +1

Entanglement serves as a fundamental resource for various quantum information processing tasks. Fidelity of entanglement (which measures the proximity to a maximally entangled stat…

quant-ph2025★ 1 cited

Probing Kirkwood-Dirac nonpositivity and its operational implications via moments

Sudip Chakrabarty, Bivas Mallick, Saheli Mukherjee +1

The Kirkwood-Dirac (KD) distribution has recently emerged as a powerful quasiprobability framework with wide-ranging applications in quantum information processing tasks. In this w…

quant-ph2025★ 3 cited

Detecting genuine multipartite entanglement using moments of positive maps

Saheli Mukherjee, Bivas Mallick, Sahil Gopalkrishna Naik +2

Genuine multipartite entanglement (GME) represents the strongest form of entanglement in multipartite systems, providing significant advantages in various quantum information proce…

quant-ph2025★ 9 cited

Higher-dimensional entanglement detection and quantum channel characterization using moments of generalized positive maps

Bivas Mallick, Ananda G. Maity, Nirman Ganguly +1

Higher-dimensional entanglement is a valuable resource for several quantum information processing tasks, and is often characterized by the Schmidt number and specific classes of en…

quant-ph2025★ 1 cited

Measurement-device-independent Schmidt number certification of all entangled states

Saheli Mukherjee, Bivas Mallick, Arun Kumar Das +2

Bipartite quantum states with higher Schmidt numbers have been shown to outperform those with lower Schmidt numbers in various quantum information processing tasks, highlighting th…

quant-ph2024

On the characterization of partially entanglement breaking and annihilating channels

Bivas Mallick, Nirman Ganguly, A. S. Majumdar

Transmission of high dimensional entanglement through quantum channels is a significant area of interest in quantum information science. The certification of high dimensional entan…

quant-ph2024★ 7 cited

Efficient detection of nonclassicality using moments of the Wigner function

Bivas Mallick, Sudip Chakrabarty, Saheli Mukherjee +2

States with a negative Wigner function, a significant subclass of nonclassical states, serve as a valuable resource for various quantum information processing tasks. Here, we provi…

quant-ph2024★ 4 cited

Genuine entanglement detection via projection map in multipartite systems

Bivas Mallick, Sumit Nandi

We present a formalism to detect genuine multipartite entanglement by considering projection map which is a positive but not completely positive map. Projection map has been motiva…

quant-ph2023★ 5 cited

Interplay between the Hilbert-space dimension of a control system and the memory induced by a quantum SWITCH

Saheli Mukherjee, Bivas Mallick, Sravani Yanamandra +2

Several recent studies have demonstrated the utility of the quantum SWITCH as an important resource for enhancing the performance of various information processing tasks. In a quan…