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91 papers · 1 filter
DPRQ: A Dynamic Programming-based Qubit Routing Algorithm for Collective Communication in Distributed Quantum Computing
Dhaval Vaidya, Ruozhou Yu
Distributed quantum computing (DQC) offers a promising approach to scale quantum computing by overcoming the resource limitations of a single quantum processor. However, inter-node…
State-independent uncertainty relations on multipartite spin -systems
Yiling Wang, Kailash Misra, Naihuan Jing
Uncertainty relations quantify fundamental limits on simultaneous measurement of quantum observables. While conventional formulations are state-dependent, state-independent uncerta…
Unified monogamy and polygamy relations for multipartite systems
Yue Cao, Naihuan Jing, Kailash Misra +1
For a bipartite entanglement measure that satisfies the th-power monogamy inequality (Eq.~\eqref{e:chap1-ineq1}), and for its assisted counterpart …
Diagonal-Budgeted Trotterization for Efficient Quantum Hamiltonian Simulation
Srikar Chundury, Blake Burgstahler, Jiajia Li +2
Efficient classical simulation of quantum Hamiltonian dynamics is often bottlenecked by exponential state growth and the overhead of generic sparse linear algebra. We introduce dia…
Probing information theoretic measures of nonlinear ultracold quantum gases using phase-space distributions
Mariyah Ughradar, Ramkumar Radhakrishnan, Siddharth Kumar Tiwari +1
We use phase space distributions, specifically the Wigner and Husimi quasi probability distributions, to study harmonically trapped Bose--Einstein condensate described by the Gross…
Gate-Level Quantum Simulation of Nonunitary Linear Dynamics with Hybrid Oscillator-Qubit Architecture
Elin Ranjan Das, Muqing Zheng, Rishab Dutta +3
We translate the one-mode unitary-dilation framework for nonunitary linear dynamics into a gate-level hybrid oscillator--qubit architecture. An ancillary oscillator encodes the ker…