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25 papers · 2 filters
Nonlocality as a consequence of complementarity
Hai Wang, Asutosh Kumar, Junde Wu
Complementarity and nonlocality are two characteristic traits of quantum physics that distinguishes it from classical physics. In this paper, we prove that the complementarity betw…
Dynamics and energy spectra of aperiodic discrete-time quantum walks
C. V. Ambarish, N. Lo Gullo, Th. Busch +2
Deterministically aperiodic sequences are an intermediary between periodic sequences and completely random sequences. Materials which are translationally periodic have Bloch-like e…
Quantum ratchet in disordered quantum walk
Sagnik Chakraborty, Arpan Das, Arindam Mallick +1
Symmetrically evolving discrete quantum walk results in dynamic localization with zero mean displacement when the standard evolution operations are replaced by a temporal disorder…
N term pairwise correlation inequalities, steering and joint measurability
H. S. Karthik, A. R. Usha Devi, J. Prabhu Tej +3
Chained correlation inequalities involving pairwise correlations of qubit observables in the equatorial plane are constructed based on the positivity of a sequence of moment matric…
Nonclassicality of local bipartite correlations
C. Jebaratnam, S. Aravinda, R. Srikanth
Simulating quantum nonlocality and steering requires augmenting pre-shared randomness with non-vanishing communication cost. This prompts the question of how one may provide such a…
Biseparability of noisy pseudopure, W and GHZ states using conditional quantum relative Tsallis entropy
Anantha S Nayak, Sudha, A. R. Usha Devi +1
We employ the conditional version of sandwiched Tsallis relative entropy to determine 1:N-1 separability range in the noisy one-parameter families of pseudopure and Werner-like N-q…