Download What Is the Theory of Relativity by L. Landau, Yu Rumer PDF

By L. Landau, Yu Rumer

ISBN-10: 1410205436

ISBN-13: 9781410205438

Initially released within the Soviet Union to be used in faculties in India, this advent to the speculation of relativity covers the entire basics is a significant and comprehensible manner.

Show description

Read Online or Download What Is the Theory of Relativity PDF

Similar relativity books

Special Relativity and Motions Faster Than Light

Whereas the idea of distinct relativity is usually linked to the belief of touring quicker than gentle, this ebook indicates that during most of these circumstances refined forces of nature conspire to avoid those motions being harnessed to ship signs swifter than the rate of sunshine. the writer tackles those subject matters either conceptually, with minimum or no arithmetic, and quantitatively, employing a variety of illustrations to explain the dialogue.

Energy and Geometry: An Introduction to: Geometrical Description of Interactions

This ebook discusses intimately the mathematical elements and actual purposes of a brand new geometrical constitution of space-time. it's in response to a generalization ("deformation") of the standard Minkowski house, supposedly endowed with a metric whose coefficients depend upon the strength. strength and Geometry: Geometrical Description of Interactions is appropriate for researchers, teachers and scholars in mathematical and theoretical physics.

Introducing Einstein's Relativity

There's little question that Einstein's thought of relativity captures the mind's eye. it truly is unrivalled in forming the foundation of ways we view the universe and the various surprises that the idea has in shop -- the features of black holes, the chance of detecting gravitational waves, and the sheer scope and profundity of present cosmology excite all scholars of relativity.

Mathematics and Democracy: Designing Better Voting and Fair-Division Procedures

Citizens this present day frequently wasteland a well-liked candidate for a extra plausible moment option to save some their vote. Likewise, events to a dispute frequently locate themselves not able to agree on a good department of contested items. In arithmetic and Democracy, Steven Brams, a number one authority within the use of arithmetic to layout decision-making approaches, exhibits how social-choice and online game thought can make political and social associations extra democratic.

Additional resources for What Is the Theory of Relativity

Example text

Pi` u in generale, sono di tipo spazio i quadrivettori posizione di tutti i punti situati all’esterno del cono-luce, cio`e nella regione di piano delimitata dalle condizioni |ct| < x, |ct| < −x. 56) Per questi punti `e sempre possibile trovare uni riferimento in cui la coordinata temporale del punto dato coincide con l’origine temporale t = 0. Prendiamo, ad esempio, il punto Q. 57) (si veda l’Eq. 39)). Il sistema cercato, nel quale tQ = 0, `e dunque quello corrispondente al boost effettuato con velocit`a v = c2 tQ /xQ .

Infatti, applicando le regole generali di trasformazione dei tensori covarianti, abbiamo ημν = (Λ−1 )α μ (Λ−1 )β ν ηαβ . 17) che definisce le trasformazioni di Lorentz. 28) che stabilisce appunto l’invarianza della metrica di Minkowski. Abbiamo visto inoltre che la metrica ημ , applicata alle componenti controvarianti di un oggetto tensoriale, permette di passare alle corrispondenti componenti covarianti (si veda l’Eq. 20)). Si usa dire – in modo poco elegante ma efficace – che la metrica ημν “abbassa gli indici” su cui agisce.

Arriviamo cos`ı a una trasformazione lineare ma non omogenea che, chiamando aμ il vettore colonna a quattro componenti costruito con le costanti o scrivere in forma matriciale compatta come segue: a1 , . . 40) (la matrice Λμ ν rappresenta una generica trasformazione del gruppo pseudo ortogonale O(3, 1)). Le trasformazioni di questo tipo formano un gruppo, chiamato “gruppo di Poincar`e”, e sono caratterizzate da 10 parametri (i sei parametri della trasformazione di Lorentz pi` u i quattro parametri della traslazione).

Download PDF sample

Rated 4.40 of 5 – based on 37 votes