119 citations · 508 across the 35 of their papers we have counts for
35 papers
How to Test Bell Nonlocality for Gravity?
Debarshi Das, Mir Alimuddin, Simon Storz +2
We propose an experiment to test Bell nonlocality, a genuine nonclassicality, for the gravitational field. Two masses with embedded entangled spins (e.g., two diamonds with their N…
Certifying ergotropy under partial information
Egle Pagliaro, Leonardo Zambrano, Mir Alimuddin +3
Ergotropy, the maximum work extractable from a quantum system, is a central resource in quantum physics. Computing ergotropy is well established when the system state is fully know…
Entanglement-swapping measurements for deterministic entanglement distribution
Mir Alimuddin, Jaemin Kim, Antonio Acín +1
Entanglement swapping is a key primitive for distributing entanglement over quantum networks, but different measurement outcomes can produce end-to-end states with different entang…
Entanglement in the energy-constrained prepare-and-measure scenario: applications to randomness certification and channel discrimination
Raffaele D'Avino, Gabriel Senno, Mir Alimuddin +1
Quantum information tasks are often analyzed under varying trust assumptions about the devices involved. The semi-device-independent (SDI) framework offers a balance between needed…
Ergotropic characterization of continuous variable entanglement
Beatriz Polo-Rodríguez, Federico Centrone, Gerardo Adesso +1
Continuous-variable quantum thermodynamics in the Gaussian regime provides a promising framework for investigating the energetic role of quantum correlations, particularly in optic…
Exploring Non-Markovianity in Ergodic Channels: Measuring Memory Retention through Ergotropy
Ritam Basu, Anish Chakraborty, Himanshu Badhani +2
In this work we introduce and characterize a broad class of quantum operations with a unique fixed point, termed quantum ergodic channels. We derive Lindblad-type master equations…
Harnessing Causal Indefiniteness for Accessing Locally Inaccessible Data
Sahil Gopalkrishna Naik, Samrat Sen, Ram Krishna Patra +4
Recent studies suggest that physical theories can exhibit indefinite causal structures, where the causal order of events is fundamentally undefined yet logically consistent. Beyond…
Ergodiscord: An Operational and Distinct Notion of Quantumness of Correlations
Mir Alimuddin, Snehasish Roy Chowdhury, Ram Krishna Patra +4
Nonclassicality in composite quantum systems depicts several puzzling manifestations, with Einstein-Podolsky-Rosen entanglement, Schrödinger steering, and Bell nonlocality being th…
Asymptotic Birkhoff-Violation in Operational Theories: Thermodynamic Implications and Information Processing
Ananya Chakraborty, Sahil Gopalkrishna Naik, Samrat Sen +4
In accordance with the entropy principle of thermodynamics, under spontaneous evolutions, physical systems always evolve towards states with equal or greater randomness. But, where…
Repeater-Based Quantum Communication Protocol: Maximizing Teleportation Fidelity with Minimal Entanglement
Arkaprabha Ghosal, Jatin Ghai, Tanmay Saha +2
Transmitting unknown quantum states to distant locations is crucial for distributed quantum information protocols. The seminal quantum teleportation scheme achieves this feat while…
Quantum Advantage: A Single Qubit's Experimental Edge in Classical Data Storage
Chen Ding, Edwin Peter Lobo, Mir Alimuddin +5
We implement an experiment on a photonic quantum processor establishing efficacy of the elementary quantum system in classical information storage. The advantage is established by…
Convex Optimization Approaches to Optimal Teleportation Fidelity in Linear Three-Party Networks
Arkaprabha Ghosal, Jatin Ghai, Tanmay Saha +2
We study the maximum achievable quantum teleportation fidelity between two distant parties, Alice and Charlie, where each of them share a bipartite quantum state only with a common…
When Mei-Gu Guan's 1960 Postmen Get Empowered with Bell's 1964 Nonlocal Correlations, or, Nonlocal Advantage in Vehicle Routing Problem
Abhishek Banerjee, Pratapaditya Bej, Amit Mukherjee +3
Vehicle routing problems, a comprehensive problem category originated from the seminal Chinese Postman Problem (first investigated by Chinese mathematician Mei-Gu Guan), entail str…
Overcoming Traditional No-Go Theorems: Quantum Advantage in Multiple Access Channels
Ananya Chakraborty, Sahil Gopalkrishna Naik, Edwin Peter Lobo +5
Extension of point-to-point communication model to the realm of multi-node configurations finds a plethora of applications in internet and telecommunication networks. Here, we esta…
Experimental Verification of Many-Body Entanglement Using Thermodynamic Quantities
Jitendra Joshi, Mir Alimuddin, T S Mahesh +1
The phenomenon of quantum entanglement underlies several important protocols that enable emerging quantum technologies. Entangled states, however, are extremely delicate and often…
Advantage of Hardy's Nonlocal Correlation in Reverse Zero-Error Channel Coding
Mir Alimuddin, Ananya Chakraborty, Govind Lal Sidhardh +5
Hardy's argument constitutes an elegant proof of quantum nonlocality. In this work, we report an exotic application of Hardy's nonlocal correlations in two-party communication setu…
The battery capacity of energy-storing quantum systems
Xue Yang, Yan-Han Yang, Mir Alimuddin +5
The quantum battery capacity is introduced in this letter as a figure of merit that expresses the potential of a quantum system to store and supply energy. It is defined as the dif…
Timelike correlations and quantum tensor product structure
Samrat Sen, Edwin Peter Lobo, Ram Krishna Patra +4
The state space structure for a composite quantum system is postulated among several mathematically consistent possibilities that are compatible with local quantum description. For…
Principle of information causality rationalizes quantum composition
Ram Krishna Patra, Sahil Gopalkrishna Naik, Edwin Peter Lobo +4
Principle of information causality, proposed as a generalization of no signaling principle, has efficiently been applied to outcast beyond quantum correlations as unphysical. In th…
Thermodynamic Signatures of Genuinely Multipartite Entanglement
Samgeeth Puliyil, Manik Banik, Mir Alimuddin
Theory of bipartite entanglement shares profound similarities with thermodynamics. In this letter we extend this connection to multipartite quantum systems where entanglement appea…
Classical analogue of quantum superdense coding and communication advantage of a single quantum system
Ram Krishna Patra, Sahil Gopalkrishna Naik, Edwin Peter Lobo +5
We analyze utility of communication channels in absence of any short of quantum or classical correlation shared between the sender and the receiver. To this aim, we propose a class…
Exploring super-additivity of coherent information of noisy quantum channels through Genetic algorithms
Govind Lal Sidhardh, Mir Alimuddin, Manik Banik
Machine learning techniques are increasingly being used in fundamental research to solve various challenging problems. Here we explore one such technique to address an important pr…
Certifying beyond quantumness of locally quantum no-signalling theories through quantum input Bell test
Edwin Peter Lobo, Sahil Gopalkrishna Naik, Samrat Sen +3
Physical theories constrained with local quantum structure and satisfying the no-signalling principle can allow beyond-quantum global states. In a standard Bell experiment, correla…
Local Quantum State Marking
Samrat Sen, Edwin Peter Lobo, Sahil Gopalkrishna Naik +8
We propose the task of local state marking (LSM), where some multipartite quantum states chosen randomly from a known set of states are distributed among spatially separated partie…