Quantum Information Scrambling and Entanglement in Bipartite Quantum States
| Autor: | Vladimir P. Gerdt, Kapil K. Sharma |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
FOS: Physical sciences
Quantum entanglement 01 natural sciences 010305 fluids & plasmas Theoretical Computer Science Scrambling Quantum state 0103 physical sciences Computer Science::Multimedia Statistical physics Electrical and Electronic Engineering Quantum information 010306 general physics Quantum computer Computer Science::Cryptography and Security Physics Quantum Physics Bell state Statistical and Nonlinear Physics Electronic Optical and Magnetic Materials Modeling and Simulation Qubit Signal Processing Bures metric Quantum Physics (quant-ph) |
| DOI: | 10.48550/arxiv.2001.07610 |
| Popis: | Investigating the influence of quantum information (QI) scrambling on quantum correlations in a physical system is an interesting problem. In this article we establish the mathematical connections among the quantifiers known as quantum information scrambling, Uhlmann fidelity, Bures metric and bipartite concurrence. We study these relations via four point out-of-time-order correlation (OTOC) function used for quantum information scrambling. Further we study the dynamics of all the quantifiers and investigate the influence of QI scrambling on entanglement in two qubits prepared in Bell states. We also determine the related QI scrambling and entanglement balancing points and investigate that they are periodic in nature for the Ising Hamiltonian. Comment: 9 pages, 5 figures |
| Databáze: | OpenAIRE |
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