Cosmological correlators for Bogoliubov initial states
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2024)152
Abstract: We consider late-time correlators in de Sitter (dS) space for initial states related to the Bunch-Davies vacuum by a Bogoliubov transformation. We propose to study such late-time correlators by reformulating them in the familiar language… read more here.
Keywords: initial states; time correlators; space; late time ... See more keywords
Tripartite Entanglement for Three-Qubit System in the Generalized Coleman-Hepp Model
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-020-04687-8
Abstract: Based on the solvable dynamical model for quantum measurement process, we consider three uncoupled particles interacting with their local one-dimensional (1D) spin arrays. Here the 1D spin arrays can be regarded as the local phase… read more here.
Keywords: tripartite negativity; states weiner; initial states; model ... See more keywords
Asymptotic entanglement in quantum walks from delocalized initial states
Sign Up to like & getrecommendations! Published in 2017 at "Quantum Information Processing"
DOI: 10.1007/s11128-017-1672-1
Abstract: We study the entanglement between the internal (spin) and external (position) degrees of freedom of the one-dimensional discrete time quantum walk starting from local and delocalized initial states whose time evolution is driven by Hadamard… read more here.
Keywords: entanglement quantum; initial states; delocalized initial; entanglement ... See more keywords
Relativistic and noise effects on multiplayer Prisoners’ dilemma with entangling initial states
Sign Up to like & getrecommendations! Published in 2017 at "Indian Journal of Physics"
DOI: 10.1007/s12648-017-1048-5
Abstract: Three-players Prisoners’ dilemma (Alice, Bob and Colin) is studied in the presence of a single collective environment effect as a noise. The environmental effect is coupled with final states by a particular form of Kraus… read more here.
Keywords: quantum; prisoners dilemma; initial states; effect ... See more keywords
Effect of orbital symmetry on atomic ionization in near-infrared laser fields
Sign Up to like & getrecommendations! Published in 2024 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ad8dbe
Abstract: We have performed a comparative study of the photoelectron spectra adopting different initial states (2s or 2p0) of hydrogen atoms in a near-infrared laser pulse by using the full three-dimensional time-dependent Schrödinger equation. It is… read more here.
Keywords: initial states; infrared laser; different initial; states 2p0 ... See more keywords
Quantum quench in the infinitely repulsive Hubbard model: the stationary state
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/aa8c2c
Abstract: We use the Quench Action approach to study the non-equilibrium dynamics after a quantum quench in the Hubbard model in the limit of infinite interaction. We identify a variety of low-entangled initial states for which… read more here.
Keywords: hubbard model; initial states; model; stationary state ... See more keywords
Entangling two oscillators with arbitrary asymmetric initial states
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.052341
Abstract: A Hamiltonian is presented, which can be used to convert any asymmetric state $|\varphi \rangle_{a}|\phi \rangle_{b}$ of two oscillators $a$ and $b$ into an entangled state. Furthermore, with this Hamiltonian and local operations only, two… read more here.
Keywords: asymmetric initial; two oscillators; oscillators arbitrary; initial states ... See more keywords
Qubit-channel metrology with very noisy initial states
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.99.012123
Abstract: We consider an arbitrary qubit channel depending on a single parameter, which is to be estimated by a physical process. Using the quantum Fisher information per channel invocation to quantify the estimation accuracy, we consider… read more here.
Keywords: purity; metrology; initial states; state ... See more keywords
Motion Learning and Rapid Generalization for Musculoskeletal Systems Based on Recurrent Neural Network Modulated by Initial States
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Cognitive and Developmental Systems"
DOI: 10.1109/tcds.2021.3136854
Abstract: Musculoskeletal robot with high precision and robustness is a promising direction for the next generation of robots. However, motion learning and rapid generalization of complex musculoskeletal systems are still challenging. Therefore, inspired by the movement… read more here.
Keywords: rapid generalization; network; motion learning; initial states ... See more keywords
Deciphering initial states of high energy heavy-ion collisions using spectators
Sign Up to like & getrecommendations! Published in 2025 at "International Journal of Modern Physics E"
DOI: 10.1142/s0218301326420048
Abstract: The standard technique of categorizing observables into centralities based on final state multiplicity in heavy-ion collisions only reflects an average over events, including a wide variety of initial-state configurations. It thus restricts the study to… read more here.
Keywords: heavy ion; initial states; ion collisions; initial state ... See more keywords
Impact of Land Initial States Uncertainty on Subseasonal Surface Air Temperature Prediction in CFSv2 Reforecasts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Hydrometeorology"
DOI: 10.1175/jhm-d-20-0024.1
Abstract: The NCEP CFSv2 ensemble reforecasts initialized with different land surface analyses for the period of 1979–2010 have been conducted to assess the effect of uncertainty in land initial states on surface air temperature prediction. The… read more here.
Keywords: land initial; air temperature; surface; initial states ... See more keywords