Prior attempts to construct the gravity dual of boost-invariant flow of N=4 supersymmetric Yang-Mills gauge theory plasma suffered from apparent curvature singularities in the late-time expansion. This Letter shows how these problems can be resolved by a different choice of expansion parameter. The calculations presented correctly reproduce the plasma energy-momentum tensor within the framework of second-order viscous hydrodynamics.
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http://dx.doi.org/10.1103/PhysRevLett.102.041601 | DOI Listing |
Entropy (Basel)
November 2024
Terra Quantum AG, Kornhausstrasse 25, 9000 St. Gallen, Switzerland.
We present the Quantum Memory Matrix (QMM) hypothesis, which addresses the longstanding Black Hole Information Paradox rooted in the apparent conflict between Quantum Mechanics (QM) and General Relativity (GR). This paradox raises the question of how information is preserved during black hole formation and evaporation, given that Hawking radiation appears to result in information loss, challenging unitarity in quantum mechanics. The QMM hypothesis proposes that space-time itself acts as a dynamic quantum information reservoir, with quantum imprints encoding information about quantum states and interactions directly into the fabric of space-time at the Planck scale.
View Article and Find Full Text PDFWe explore the implementation of dynamic behavior in holographic displays through the activation of static elementary holograms. This research takes place in an ambitious concept of near-eye display, free of any focusing optical system. We investigate the dynamic addressing of holographic elements with a size of about 27 µm, distributed on centimeter-size samples.
View Article and Find Full Text PDFSci Robot
October 2024
Program in Molecular Medicine, Hospital for Sick Children, Toronto, ON, Canada.
Arrhythmogenic cardiomyopathy (ACM) is a leading cause of sudden cardiac death among young adults. Aberrant gap junction remodeling has been linked to disease-causative mutations in plakophilin-2 (). Although gap junctions are a key therapeutic target, measurement of gap junction function in preclinical disease models is technically challenging.
View Article and Find Full Text PDFSci Rep
October 2024
Institute of Micromechanics and Photonics, Warsaw University of Technology, 8 Sw. A. Boboli St., Warsaw, 02-525, Poland.
J Biomed Opt
October 2024
Indian Institute of Technology Hyderabad, Department of Biomedical Engineering, Medical Optics and Sensors Laboratory, Hyderabad, Telangana, India.
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