Article
Astronomy & Astrophysics
G. Q. Zhao, R. Meyrand, H. Q. Feng, D. J. Wu, J. C. Kasper
Summary: This paper investigates correlations between proton temperature, bulk speed, proton-scale magnetic helicity, and spectral index based on Parker Solar Probe observations. The results show that there are positive correlations between magnetic energy density and proton temperature, bulk speed, and proton-scale magnetic spectrum. The paper also finds a moderate correlation between normalized cross helicity and magnetic helicity.
ASTROPHYSICAL JOURNAL
(2022)
Article
Multidisciplinary Sciences
Michael Konopik, Till Korten, Eric Lutz, Heiner Linke
Summary: In this study, we determine the fundamental energy cost of finite-time parallelizable computing and quantify the energetic advantage of parallel computing over serial computing. It is found that the energy cost per operation of a parallel computer can approach the Landauer limit even for large problem sizes, while that of a serial computer diverges fundamentally. The effects of different degrees of parallelization, overhead amounts, and non-ideal electronic hardware are analyzed, along with their implications in the context of current technology.
NATURE COMMUNICATIONS
(2023)
Article
Engineering, Environmental
Zhenyi Luo, Jingyu Zhu, Tingting Sun, Yuru Liu, Shuhan Ren, Huanhuan Tong, Lei Yu, Xunchang Fei, Ke Yin
Summary: With the increasing demands for supply chain transparency and food security, the extensive integration of the Internet of Things (IoT) in the food sector is expected. A study combining life cycle assessment (LCA) and shelf life-food loss (SL-FL) models shows a potential 5-fold leverage on carbon reduction, dependent on diet and income. However, widespread adoption of the IoT faces challenges such as high costs, social acceptance difficulties, and regional variability in technological development. The research trend towards smaller chips and the integration of machine learning or blockchain technologies could facilitate market penetration.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Astronomy & Astrophysics
Christopher Spalding, Joshua N. Winn
Summary: High obliquities in stars with hot Jupiters may be relics of hot Jupiter formation, and obliquities are likely tidally damped when the star has a thick convective envelope. This theory has important implications for the timing of hot Jupiter formation.
ASTROPHYSICAL JOURNAL
(2022)
Article
Chemistry, Physical
Fan Lin, Mengze Xu, Karthikeyan K. Ramasamy, Zhenglong Li, Jordan Lee Klinger, Joshua A. Schaidle, Huamin Wang
Summary: The article discusses the challenges faced by biomass conversion technologies, specifically in terms of catalyst deactivation and mitigation. It highlights the unique properties of biomass-derived feedstocks that cause catalyst deactivation and provides information on potential mitigation approaches to guide the design of robust catalysts and processes for biomass conversion.
Article
Urban Studies
Pinghan Liang, Nan Gao
Summary: The study reveals that households often make errors in assessing home value, which are significantly related to household leverage. The correlation between misestimation and leverage is even larger for households who underestimate their home value. Lack of housing market information and endowment effect are identified as the main contributors to misestimation.
Article
Physics, Multidisciplinary
Sahil Gopalkrishna Naik, Govind Lal Sidhardh, Samrat Sen, Arup Roy, Ashutosh Rai, Manik Banik
Summary: This Letter examines the prospect of nonlocality distillation, wherein one aims to generate correlations of higher nonlocal strength by applying a natural set of free operations on many copies of weakly nonlocal systems. In the simplest Bell scenario, a protocol named logical OR-AND wiring is identified, which can distill nonlocality to a significantly high degree starting from arbitrarily weak quantum nonlocal correlations. The protocol demonstrates interesting facets, including the existence of a nonzero measure of distillable quantum correlations in the full eight-dimensional correlation space, the ability to distill quantum Hardy correlations by preserving its structure, and the distillation of (nonlocal) quantum correlations sufficiently close to the local deterministic points by a significant amount. The efficacy of the considered distillation protocol in detecting postquantum correlations is also demonstrated.
PHYSICAL REVIEW LETTERS
(2023)
Article
Computer Science, Information Systems
Emmanuel Bender, Joseph B. Bernstein, Duane S. Boning
Summary: A procedure for mitigating thermal hazards in packaged FinFET devices was developed, which involved the installation of a monitoring system to observe and alert chip temperature and reliability risks. A novel algorithm was also proposed to improve sensory accuracy. This methodology can effectively mitigate thermal concerns in systems.
Article
Chemistry, Physical
Dominika Lesnicki, Chloe Y. Gao, David T. Limmer, Benjamin Rotenberg
Summary: This study investigates the dynamic and static correlations contributing to electric field-dependent ionic conductivity in electrolyte solutions using response theory and nonequilibrium ensemble reweighting. It is found that increased ion correlations under certain conditions result in insensitivity of the conductivity to the field.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Andras Grabarits, Marton Kormos, Izabella Lovas, Gergely Zarand
Summary: In this study, we investigated the typical distribution of quantum work at finite temperature. We found that for small work, the distribution follows a Gaussian distribution and the variance is proportional to the average work. However, at low temperature or for large work, a non-Gaussian distribution with superdiffusive work fluctuations is observed. Additionally, the time dependence of the probability of adiabaticity transitions from an exponential to a stretched exponential behavior. For large average work, the distribution becomes universal, dependent only on temperature and mean work. Our findings suggest that work statistics can be described by a Markovian energy-space diffusion process, starting from a thermal initial state. The validity of our results can be verified through measurements on nanoscale circuits or single qubit interferometry.
Article
Materials Science, Multidisciplinary
Chitralekha Dey, Amol A. A. Gokhale, Shiba N. N. Sahu
Summary: This study investigates the factors controlling stress at the back face of end wall-mounted shock-loaded aluminum foam. Plastic deformation of the foam occurs when the applied shock pressure exceeds its plastic strength, generating a compaction wave traveling at a speed lower than the shock velocity. The reflection and momentum transfer of the wave at the end wall lead to shock amplification. As the foam length increases, the stress at the end wall decreases, resulting in shock mitigation. A relationship between compaction wave characteristics, foam densification, and stress at the end wall is established.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Federico Carollo, Vincenzo Alba
Summary: In this study, the dynamics of entanglement in a noninteracting system subject to continuous monitoring was analyzed. The existing semiclassical theory based on entangled pairs was found to be insufficient to explain the complex behavior of quantum correlations. The presence of multipartite quantum correlations inconsistent with an entangled-pair structure was discovered, indicating the need for larger multiplets. It was also observed that quantum information is highly delocalized and shared in a collective nonredundant manner among adjacent regions of the many-body system. This research sheds light on the behavior of correlations in quantum stochastic dynamics and highlights the potential enhancement of correlations through continuous monitoring.
Article
Multidisciplinary Sciences
Apurva Singh, Hannah Horng, Rhea Chitalia, Leonid Roshkovan, Sharyn I. Katz, Peter Noel, Russell T. Shinohara, Despina Kontos
Summary: Our study examines the impact of heterogeneity in image parameters on the reproducibility of prognostic models using radiomic biomarkers. By comparing models derived from mitigated features with raw features, we evaluate whether our methods can improve the reproducibility of prognostic scores. Our findings suggest that accounting for the heterogeneity in image parameters is crucial for obtaining more reproducible prognostic scores.
SCIENTIFIC REPORTS
(2022)
Article
Physics, Multidisciplinary
Salambo Dago, Jorge Pereda, Nicolas Barros, Sergio Ciliberto, Ludovic Bellon
Summary: This study investigates the effects of inertia on the Landauer principle by using an underdamped micromechanical oscillator as a 1-bit memory. The researchers demonstrate both experimentally and theoretically that the Landauer bound can be reached with a 1% uncertainty in underdamped systems, even with protocols as short as 100 ms.
PHYSICAL REVIEW LETTERS
(2021)
Article
Physics, Multidisciplinary
Cen-Xiao Huang, Xiao-Min Hu, Yu Guo, Chao Zhang, Bi-Heng Liu, Yun-Feng Huang, Chuan-Feng Li, Guang-Can Guo, Nicolas Gisin, Cyril Branciard, Armin Tavakoli
Summary: In this study, we experimentally realized deterministic entanglement swapping based on quantum elegant joint measurements using hyperentanglement. We demonstrated the applications of these measurements by showcasing proof-of-principle violations of bilocal Bell inequalities and more stringent correlation criteria corresponding to full network nonlocality. Our results provide insights into the relevance of more general measurements in entanglement swapping scenarios.
PHYSICAL REVIEW LETTERS
(2022)