Sample variance in the local measurements of the Hubble constant
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx1967
Abstract: The current $>3\sigma$ tension between the Hubble constant $H_0$ measured from local distance indicators and from cosmic microwave background is one of the most highly debated issues in cosmology, as it possibly indicates new physics… read more here.
Keywords: sample variance; variance local; local measurements; hubble constant ... See more keywords
Two-Qubit Engine Fueled by Entanglement and Local Measurements.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.120605
Abstract: We introduce a two-qubit engine that is powered by entanglement and local measurements. Energy is extracted from the detuned qubits coherently exchanging a single excitation. Generalizing to an N-qubit chain, we show that the low… read more here.
Keywords: two qubit; entanglement local; local measurements; qubit engine ... See more keywords
Transitions in the Learnability of Global Charges from Local Measurements.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.200602
Abstract: We consider monitored quantum systems with a global conserved charge, and ask how efficiently an observer ("eavesdropper") can learn the global charge of such systems from local projective measurements. We find phase transitions as a… read more here.
Keywords: local measurements; global charges; transitions learnability; charge ... See more keywords
Long-Range Bell States from Local Measurements and Many-Body Teleportation without Time Reversal.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.020801
Abstract: In this Letter, we study quantum many-body teleportation, where a single qubit is teleported through a strongly interacting quantum system, as a result of a scrambling unitary and local measurements on a few qubits. Usual… read more here.
Keywords: many body; local measurements; long range; teleportation ... See more keywords
Cooperative Estimation of a Three-Dimensional Flow Field Using Multiple AUVs and Local Measurements
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3157273
Abstract: This brief proposes a three-dimensional flow field estimation algorithm using multiple autonomous underwater vehicles (AUVs) and local measurements. Taking into account the fact of negligible vertical velocity, the layered flow field model is established in… read more here.
Keywords: flow field; local measurements; three dimensional; estimation ... See more keywords