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- Pennsylvania State UniversityUS156 papers
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5 papers · 2 filters
Parrondo's game using a discrete-time quantum walk
C. M. Chandrashekar, Subhashish Banerjee
We present a new form of a Parrondo game using discrete-time quantum walk on a line. The two players A and B with different quantum coins operators, individually losing the game ca…
Quantumness in decoherent quantum walk using measurement-induced disturbance
R. Srikanth, Subhashish Banerjee, C. M. Chandrashekar
The classicalization of a decoherent discrete-time quantum walk on a line or an n-cycle can be demonstrated in various ways that do not necessarily provide a geometry-independent d…
A study of Quantum Correlations in Open Quantum Systems
Indranil Chakrabarty, Subhashish Banerjee, Nana Siddharth
In this work, we study quantum correlations in mixed states. The states studied are modeled by a two-qubit system interacting with its environment via a quantum non demolition (pur…
Complementarity in atomic and oscillator systems
R. Srikanth, Subhashish Banerjee
We develop a unified, information theoretic interpretation of the number-phase complementarity that is applicable both to finite-dimensional (atomic) and infinite-dimensional (osci…
Relationship Between Quantum Walk and Relativistic Quantum Mechanics
C. M. Chandrashekar, Subhashish Banerjee, R. Srikanth
Quantum walk models have been used as an algorithmic tool for quantum computation and to describe various physical processes. This paper revisits the relationship between relativis…