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Ishibashi states, topological orders with boundaries and topological entanglement entropy. Part I [PDF]

open access: yesJournal of High Energy Physics, 2019
In this paper, we study gapped edges/interfaces in a 2+1 dimensional bosonic topological order and investigate how the topological entanglement entropy is sensitive to them.
Jiaqi Lou, Ce Shen, Ling-Yan Hung
doaj   +3 more sources

Topological Entanglement Entropy of Black Hole Interiors

open access: yesReports in Advances of Physical Sciences, 2020
Recent theoretical progress shows that (2+1) black hole solution manifests long-range topological quantum entanglement similar to exotic non-Abelian excitations with fractional quantum statistics.
Eric Howard
doaj   +2 more sources

Realizing the entanglement Hamiltonian of a topological quantum Hall system [PDF]

open access: yesNature Communications, 2023
Topological quantum many-body systems are characterized by a hidden order encoded in the entanglement between their constituents. While entanglement is often quantified using the entanglement entropy, its full description relies on the entanglement ...
Quentin Redon   +6 more
doaj   +2 more sources

Entanglement entropy as an order parameter for strongly coupled nodal line semimetals [PDF]

open access: yesJournal of High Energy Physics, 2023
Topological semimetals are a class of many-body systems exhibiting novel macroscopic quantum phenomena at the interplay between high energy and condensed matter physics. They display a topological quantum phase transition (TQPT) which evades the standard
Matteo Baggioli, Yan Liu, Xin-Meng Wu
doaj   +2 more sources

Information-entropy enabled identifying topological photonic phase in real space

open access: yesFrontiers of Optoelectronics
The topological photonics plays an important role in the fields of fundamental physics and photonic devices. The traditional method of designing topological system is based on the momentum space, which is not a direct and convenient way to grasp the ...
Rui Ma   +7 more
doaj   +2 more sources

High-entropy engineering of the crystal and electronic structures in a Dirac material

open access: yesNature Communications
Dirac and Weyl semimetals are a central topic of contemporary condensed matter physics, and the discovery of new compounds with Dirac/Weyl electronic states is crucial to the advancement of topological materials and quantum technologies.
Antu Laha   +17 more
doaj   +2 more sources

Dialectics of Entropy

open access: yesTechnophany
The 19th century saw a dramatic transformation in the basic categories of knowledge, both in metaphysics and in physics the notions of time and matter became intertwined, following the industrial revolution.
Attay Kremer
doaj   +2 more sources

Emergent Dimer-Model Topological Order and Quasiparticle Excitations in Liquid Crystals: Combinatorial Vortex Lattices

open access: yesPhysical Review X
Liquid crystals have proven to provide a versatile experimental and theoretical platform for studying topological objects such as vortices, skyrmions, and hopfions.
Cuiling Meng   +5 more
doaj   +2 more sources

Applications of Entropy in Data Analysis and Machine Learning: A Review

open access: yesEntropy
Since its origin in the thermodynamics of the 19th century, the concept of entropy has also permeated other fields of physics and mathematics, such as Classical and Quantum Statistical Mechanics, Information Theory, Probability Theory, Ergodic Theory and
Salomé A. Sepúlveda-Fontaine   +1 more
doaj   +2 more sources

Discovery of the High‐Entropy Carbide Ceramic Topological Superconductor Candidate (Ti0.2Zr0.2Nb0.2Hf0.2Ta0.2)C [PDF]

open access: yesAdvanced Functional Materials, 2023
High‐entropy ceramics (HECs) are solid solutions of inorganic compounds with one or more Wyckoff sites shared by equal or near‐equal atomic ratios of multi‐principal elements.
Lingyong Zeng   +13 more
semanticscholar   +1 more source

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