Results 21 to 30 of about 844,582 (367)

Theory of Bose-Einstein condensation in trapped gases [PDF]

open access: yes, 1998
The phenomenon of Bose-Einstein condensation of dilute gases in traps is reviewed from a theoretical perspective. Mean-field theory provides a framework to understand the main features of the condensation and the role of interactions between particles ...
F. Dalfovo   +4 more
semanticscholar   +1 more source

Science case for the Einstein telescope [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2019
The Einstein Telescope (ET), a proposed European ground-based gravitational-wave detector of third-generation, is an evolution of second-generation detectors such as Advanced LIGO, Advanced Virgo, and KAGRA which could be operating in the mid 2030s.
M. Maggiore   +17 more
semanticscholar   +1 more source

Remarks on the Theory of Relativity (1922)

open access: yesJournal of French and Francophone Philosophy, 2020
On April 22, 1922, the Societé française de Philosophie hosted Albert Einstein for a discussion of the theory of relativity.  In the course of this discussion, Henri Bergson, who was at that time writing Duration and Simultaneity, which explored some of ...
Henri Bergson, Heath Massey
doaj   +1 more source

Dirac’s Refined Unification of Quantum Mechanics and Special Relativity: An Intertheoretic Context

open access: yesTeorie vědy, 2022
One of the key episodes of history of modern physics – Paul Dirac’s startling contrivance of the relativistic theory of the electron – is elicited in the context of lucid epistemological model of mature theory change.
Rinat M. Nugayev
doaj   +1 more source

Einstein-Gauss-Bonnet Gravity in Four-Dimensional Spacetime. [PDF]

open access: yesPhysical Review Letters, 2019
In this Letter we present a general covariant modified theory of gravity in D=4 spacetime dimensions which propagates only the massless graviton and bypasses Lovelock's theorem.
D. Glavan, Chunshan Lin
semanticscholar   +1 more source

Den obegripliga fysiken

open access: yesKulturella Perspektiv, 1994
Natural science can both have a profound influence on and be itself influenced by other aspects of culture, even those which at first seem far removed from the laboratory.
Kjell Jonsson
doaj   +1 more source

Exact Solutions of Einstein's Field Equations [PDF]

open access: yes, 2004
We examine various well known exact solutions available in the literature to investigate the recent criterion obtained in Negi and Durgapal [Gravitation and Cosmology7, 37 (2001)] which should be fulfilled by any static and spherically symmetric solution
P. Negi
semanticscholar   +1 more source

Quantum liquid droplets in a mixture of Bose-Einstein condensates [PDF]

open access: yesScience, 2017
Making dilute quantum droplets In recent years, quantum fluids have been studied largely in gaseous form, such as the Bose-Einstein condensates (BECs) of alkali atoms and related species. Quantum liquids, other than liquid helium, have been comparatively
C. R. Cabrera   +6 more
semanticscholar   +1 more source

Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels.

open access: yesPhysical Review Letters, 1993
An unknown quantum state \ensuremath{\Vert}\ensuremath{\varphi}〉 can be disassembled into, then later reconstructed from, purely classical information and purely nonclassical Einstein-Podolsky-Rosen (EPR) correlations. To do so the sender, ``Alice,'' and
Charles H. Bennett   +5 more
semanticscholar   +1 more source

Einstein y la filosofía del siglo XX

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2007
Se analizan las influencias filosóficas que ayudaron a Albert Einstein en la construcción de la teoría de la relatividad especial, y cómo sus opiniones filosóficas cambiaron con el tiempo para adecuarlas al contenido de su física, un rasgo que es ...
José Manuel Sánchez Ron
doaj   +1 more source

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