Download ABC of Physics : A Very Brief Guide by Lev Okun PDF

By Lev Okun

Translated from Russian through Vitaly Kisin

This little publication concentrates at the foundations of contemporary physics (its "ABC's") and its so much basic constants: c the speed of sunshine and ħ— the quantum of motion.

firstly, the publication is addressed to expert physicists, yet as a way to in achieving maximal focus and readability it makes use of the best (high university) arithmetic. therefore many pages of the ebook might be precious to varsity scholars and should attract a extra common viewers.

Readership: students and readers within the actual sciences.

Show description

Read or Download ABC of Physics : A Very Brief Guide PDF

Similar particle physics books

Elementary Particles and Their Interactions

Hassle-free debris and Their Interactions. recommendations and Phenomena offers a well-written and thorough creation to this box on the complex undergraduate and graduate point. scholars conversant in quantum mechanics, distinctive relativity and classical electrodynamics will locate quick access to trendy particle physics and a wealthy resource of illustrative examples, figures, tables, and issues of chosen suggestions.

The Interacting Boson-Fermion Model

This publication describes the mathematical framework on which the interacting boson-fermion version is equipped and provides purposes to quite a few events encountered in nuclei. It addresses either the analytical and the numerical features of the matter. The analytical element calls for the creation of fairly complicated crew theoretic equipment, together with using graded (or great) Lie algebras.

Attosecond Nanophysics: From Basic Science to Applications

The 1st vast and in-depth review of present study in attosecond nanophysics, overlaying the sphere of lively plasmonics through attosecond technological know-how in metals and dielectrics to novel imaging suggestions with the top spatial and temporal answer. The authors are pioneers within the box and current the following new advancements and strength novel functions for ultra-fast facts verbal exchange and processing, discussing the research of the traditional timescale of electron dynamics in nanoscale sturdy kingdom platforms.

Neutron Physics

Initially simply an offshoot of nuclear physics, neutron physics quickly grew to become a department of physics in its personal correct. It offers with the circulate of neutrons in nuclear reactors and the entire nuclear reactions they set off there, quite the fi ssion of heavy nuclei which starts off a series response to provide power.

Additional resources for ABC of Physics : A Very Brief Guide

Example text

The orbital number l can take integer values from 0 to n − 1. States with l = 0, 1, 2, 3 ABCPhysics February 23, 2012 9:39 World Scientific Book - 7in x 5in Periodic table of chemical elements ABCPhysics 39 are denoted by s, p, d, f , respectively. The projection ml can assume 2l + 1 values from −l to +l. The projection of the spin ms can assume two values: − 12 , + 12 . In contrast to the hydrogen atom, the mass of the quantum state of other atoms depends not only on n but also on l. It is for this reason that d shells in the fourth and fifth periods are filled before the p shells and in the sixth and seventh periods the f shells are filled before the d shells.

11 Action Among all physical quantities there is one which occupies a central position in physics. This quantity is action S. The central role of action in physics is due to the existence of the basic law of physics — the principle of least action. This principle was first formulated by Fermat. The universal, the key role of action in physics became clear only in the 20th century. In the simplest case the action of a free particle that covered in time t the distance from the origin to the point r is defined as S = −Et + pr.

The angular momentum is called a pseudovector or axial vector because, in contrast to ordinary (polar) vectors r and p, it does not change sign under mirror reflection. For L this is immediately obvious from the above definition. The conservation of the angular momentum of an isolated set of particles is implied by the isotropy of space: empty space has no preferred direction. 2 About vectors and tensors In three-dimensional space, the scalar product of two vectors is a scalar, the vector product of two vectors is an antisymmetric tensor (and at the same time — axial vector) having three components.

Download PDF sample

Rated 4.91 of 5 – based on 44 votes