Results 11 to 20 of about 498 (181)

Holography, hydrodynamics and flows

open access: yes, 2020
Hydrodynamic phenomena seem to be ubiquitous in the universe. Hydrodynamics provides an effective, long-wavelength description of both classical and quantum systems. We study the universal spatial features of certain non-equilibrium steady states corresponding to flows of strongly correlated fluids over obstacles.
Novak, Igor
openaire   +2 more sources

Relativistic hydrodynamic attractors with broken symmetries: non-conformal and non-homogeneous

open access: yesJournal of High Energy Physics, 2017
Standard textbooks will state that hydrodynamics requires near-equilibrium to be applicable. Recently, however, out-of-equilibrium attractor solutions for hydrodynamics have been found in kinetic theory and holography in systems with a high degree of ...
Paul Romatschke
doaj   +2 more sources

Pseudo-spontaneous U(1) symmetry breaking in hydrodynamics and holography [PDF]

open access: yesJournal of High Energy Physics, 2022
We investigate the low-energy dynamics of systems with pseudo-spontaneously broken U(1) symmetry and Goldstone phase relaxation. We construct a hydrodynamic framework which is able to capture these, in principle independent, effects.
Martin Ammon   +4 more
doaj   +5 more sources

Evolutions in first-order viscous hydrodynamics [PDF]

open access: yes, 2022
Motivated by the physics of the quark-gluon plasma created in heavy-ion collision experiments, we use holography to study the regime of applicability of various theories of relativistic viscous hydrodynamics. Using the microscopic description provided by
Figueras, Pau, Bantilan, Hans, Bea, Yago
core   +2 more sources

HoToPy: a toolbox for X-ray holo-tomography in Python. [PDF]

open access: yesJ Synchrotron Radiat
We present HoToPy, a toolbox for X‐ray holo‐tomography in Python. It offers state‐of‐the‐art phase retrieval methods for synchrotron and laboratory sources as well as tomographic reconstruction and alignment methods.We present a Python toolbox for holographic and tomographic X‐ray imaging. It comprises a collection of phase retrieval algorithms for the
Lucht J, Meyer P, Lohse LM, Salditt T.
europepmc   +2 more sources

Bubble wall velocity from holography [PDF]

open access: yes, 2021
Cosmological phase transitions proceed via the nucleation of bubbles that subsequently expand and collide. The resulting gravitational wave spectrum depends crucially on the bubble wall velocity.
Casalderrey Solana, Jorge   +11 more
core   +1 more source

On the generalized Snell-Descartes laws, shock waves, water wakes, and Cherenkov radiation. [PDF]

open access: yesNanophotonics
Abstract The modification of light's trajectory after refracting through a boundary separating two media is a ubiquitous phenomenon in nature. The laws governing such refraction/reflection, known today as the Snell–Descartes laws of reflection and refraction, were established over four centuries ago and have since become foundational to the field of ...
Genevet P   +5 more
europepmc   +2 more sources

Topological hydrodynamic modes and holography

open access: yesPhysical Review D, 2022
We study topological modes in relativistic hydrodynamics by weakly breaking the conservation of energy momentum tensor. Several systems have been found to have topologically nontrivial crossing nodes in the spectrum of hydrodynamic modes and some of them are only topologically nontrivial with the protection of reflection symmetries in two directions ...
Yan Liu, Ya-Wen Sun
openaire   +2 more sources

Intelligent Plasmonic Bio‐Holoelectrochemical Systems: A Testable Architecture for Light‐Programmed Microbial Electrochemistry [PDF]

open access: yesGlob Chall
An evidence‐derived architecture integrates structured light, plasmonic bioelectrodes, spatial sensing, microbial electrosynthesis, and digital‐twin control into a testable framework for light‐programmed microbial electrochemistry. Mechanistic discrimination, equal‐dose spatial validation, and conservation‐aware performance accounting define the ...
Mkilima T.
europepmc   +2 more sources

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