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Entropy, Volume 26, Issue 1

January 2024 - 96 articles

Cover Story: Schrödinger’s essay about a cat in a superposition of dead and alive states presents an inconsistency between quantum mechanics and macroscopic realism, which posits the cat to be dead or alive prior to observation. The paradox is clarified by examining two entangled “cats”. The “cats” are fields; the spin up and down states are macroscopically distinct coherent states, and the measurement settings are adjusted using nonlinear interactions. Quantum mechanics predicts a violation of a Bell inequality, hence falsifying “deterministic macroscopic realism”. However, by distinguishing between the cat-systems before and after the setting interactions, and analyzing the Q-function, one finds consistency with a subset of the Einstein–Podolsky–Rosen premises, meaning that “weak macroscopic realism” is preserved. View this paper
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Articles (96)

  • Article
  • Open Access
10 Citations
6,537 Views
31 Pages

FedTKD: A Trustworthy Heterogeneous Federated Learning Based on Adaptive Knowledge Distillation

  • Leiming Chen,
  • Weishan Zhang,
  • Cihao Dong,
  • Dehai Zhao,
  • Xingjie Zeng,
  • Sibo Qiao,
  • Yichang Zhu and
  • Chee Wei Tan

22 January 2024

Federated learning allows multiple parties to train models while jointly protecting user privacy. However, traditional federated learning requires each client to have the same model structure to fuse the global model. In real-world scenarios, each cl...

  • Article
  • Open Access
2 Citations
2,091 Views
23 Pages

22 January 2024

The paper makes a case that the current discussions on replicability and the abuse of significance testing have overlooked a more general contributor to the untrustworthiness of published empirical evidence, which is the uninformed and recipe-like im...

  • Article
  • Open Access
6 Citations
2,073 Views
21 Pages

22 January 2024

Evaluating the capabilities of a satellite communication system (SCS) is challenging due to its complexity and ambiguity. It is difficult to accurately analyze uncertain situations, making it difficult for experts to determine appropriate evaluation...

  • Article
  • Open Access
6 Citations
5,731 Views
16 Pages

Continual Reinforcement Learning for Quadruped Robot Locomotion

  • Sibo Gai,
  • Shangke Lyu,
  • Hongyin Zhang and
  • Donglin Wang

22 January 2024

The ability to learn continuously is crucial for a robot to achieve a high level of intelligence and autonomy. In this paper, we consider continual reinforcement learning (RL) for quadruped robots, which includes the ability to continuously learn sub...

  • Article
  • Open Access
3 Citations
4,411 Views
25 Pages

22 January 2024

Large-scale and high-dimensional time series data are widely generated in modern applications such as intelligent transportation and environmental monitoring. However, such data contains much noise, outliers, and missing values due to interference du...

  • Article
  • Open Access
12 Citations
5,471 Views
22 Pages

22 January 2024

The profound impacts of severe air pollution on human health, ecological balance, and economic stability are undeniable. Precise air quality forecasting stands as a crucial necessity, enabling governmental bodies and vulnerable communities to proacti...

  • Perspective
  • Open Access
4 Citations
10,216 Views
22 Pages

Neural Geometrodynamics, Complexity, and Plasticity: A Psychedelics Perspective

  • Giulio Ruffini,
  • Edmundo Lopez-Sola,
  • Jakub Vohryzek and
  • Roser Sanchez-Todo

22 January 2024

We explore the intersection of neural dynamics and the effects of psychedelics in light of distinct timescales in a framework integrating concepts from dynamics, complexity, and plasticity. We call this framework neural geometrodynamics for its paral...

  • Feature Paper
  • Article
  • Open Access
3,153 Views
16 Pages

Geometric Phase of a Transmon in a Dissipative Quantum Circuit

  • Ludmila Viotti,
  • Fernando C. Lombardo and
  • Paula I. Villar

22 January 2024

Superconducting circuits reveal themselves as promising physical devices with multiple uses. Within those uses, the fundamental concept of the geometric phase accumulated by the state of a system shows up recurrently, as, for example, in the construc...

  • Article
  • Open Access
2 Citations
2,477 Views
25 Pages

20 January 2024

It has been over 100 years since the discovery of one of the most fundamental statistical tests: the Student’s t test. However, reliable conventional and objective Bayesian procedures are still essential for routine practice. In this work, we p...

  • Article
  • Open Access
1,609 Views
19 Pages

Degeneracy and Photon Trapping in a Dissipationless Two-Mode Optomechanical Model

  • Thiago Alonso Merici,
  • Thiago Gomes De Mattos and
  • José Geraldo Peixoto De Faria

19 January 2024

In this work, we theoretically study a finite and undamped two-mode optomechanical model consisting of a high quality optical cavity containing a thin, elastic, and dielectric membrane. The main objective is to investigate the precursors of quantum p...

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Entropy - ISSN 1099-4300