Relaxed bell inequalities and kochen-specker theorems

MJW Hall - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
The combination of various physically plausible properties, such as no signaling,
determinism, and experimental free will, is known to be incompatible with quantum …

One-time-pad encryption model for nonlocal correlations

GL Sidhardh, M Banik - Physical Review A, 2024 - APS
We present a cryptographic-inspired framework for modeling Bell nonlocal correlations.
Drawing inspiration from the renowned de Broglie–Bohm theory, we conceptualize nonlocal …

Optimal free will on one side in reproducing the singlet correlation

M Banik, MDR Gazi, S Das, A Rai… - Journal of Physics A …, 2012 - iopscience.iop.org
Bell's theorem teaches us that there are quantum correlations that cannot be simulated by
just shared randomness (local hidden variable). There are some recent results which …

No-Go Theorem for Generic Simulation of Qubit Channels with Finite Classical Resources

SG Naik, N Gisin, M Banik - arxiv preprint arxiv:2501.15807, 2025 - arxiv.org
The mathematical framework of quantum theory, though fundamentally distinct from classical
physics, raises the question of whether quantum processes can be efficiently simulated …

On the origin of nonclassicality in single systems

S Aravinda, R Srikanth, A Pathak - Journal of Physics A …, 2017 - iopscience.iop.org
In the framework of certain general probability theories of single systems, we identify various
nonclassical features such as incompatibility, multiple pure-state decomposability …

Lack of measurement independence can simulate quantum correlations even when signaling can not

M Banik - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
In the Bell scenario, any nonlocal correlation shared between two spatially separated parties
can be modeled deterministically either by allowing communications between the two …

Local simulation of singlet statistics for a restricted set of measurements

A Rai, MDR Gazi, M Banik, S Das… - Journal of Physics A …, 2012 - iopscience.iop.org
The essence of Bell's theorem is that, in general, quantum statistics cannot be reproduced
by a local hidden variable (LHV) model. This impossibility is strongly manifested when …

Tightest conditions for violating the Bell inequality when measurement independence is relaxed

M Kim, J Lee, HJ Kim, SW Kim - Physical Review A, 2019 - APS
It has been believed that statistical inequalities such as the Bell inequality should be
modified once measurement independence (MI), the assumption that observers can freely …

Complementarity between signalling and local indeterminacy in quantum nonlocal correlations

S Aravinda, R Srikanth - arxiv preprint arxiv:1309.4435, 2013 - arxiv.org
The correlations that violate the CHSH inequality are known to have complementary
contributions from signaling and local indeterminacy. This complementarity is shown to …

Extending quantum mechanics entails extending special relativity

S Aravinda, R Srikanth - Journal of Physics A: Mathematical and …, 2016 - iopscience.iop.org
The complementarity between signaling and randomness in any communicated resource
that can simulate singlet statistics is generalized by relaxing the assumption of free will in the …