Օբյեկտ

Վերնագիր: First Principles of the Classical Mechanics and the Foundations of Statistical Mechanics on the Example of a Disordered Spin System

Հեղինակ:

Gevorkyan A. S.

Տեսակ:

article

Համահեղինակ(ներ):

Sahakyan V. V.

Ամփոփում:

We study the classical multicomponent disordered 3D spin system taking into account the temperature of the medium in the framework of the model of nearest neighbors. The latter allows the 3D problem with a cubic lattice to reduce to the 1D Heisenberg spin glass problem with a random environment. Using the Hamilton equations of motion, a recurrent equation is obtained that connects three spins in successive nodes of 1D lattice, taking into account the influence of a random environment. This equation, together with the corresponding conditions of a local minimum energy in nodes, allows to construct node-by-node a stable spin chains and, accordingly, to calculate all parameters of statistical ensemble from the first principles of classical mechanics, without using any additional assumptions, in particular, the main axiom of statistical mechanics – the equiprobability of statistical states. Using the example of 1D Heisenberg spin glass model, the features of the new approach are studied in detail and the statistical mechanics of the system are constructed without using the standard representation of the partition function (PF).

Հրատարակիչ:

Springer

Հանձնման ամսաթիվը:

12 September 2019

Ընդունման ամսաթիվը:

10 February 2020

Փոփոխման ամսաթիվը:

18 January 2020

Հրատարակման ամսաթիվ:

03 December 2020

Նույնականացուցիչ:

oai:noad.sci.am:136092

DOI:

10.3103/S106833722004009X

Լեզու:

English

Ամսագրի կամ հրապարակման վերնագիր:

Journal of Contemporary Physics

Հատոր:

55

Համար:

4

URL:


Կազմակերպության անվանում:

Institute for Informatics and Automation Problems, NAS of Armenia, Yerevan, Armenia ; Institute of Chemical Physics, NAS of Armenia, Yerevan, Armenia

Տարի:

2020

Հիշատակումներ:

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Ինդեքսավորում:

Scopus

Օբյեկտի հավաքածուներ:

Վերջին անգամ ձևափոխված:

Apr 23, 2021

Մեր գրադարանում է սկսած:

Apr 15, 2021

Օբյեկտի բովանդակության հարվածների քանակ:

10

Օբյեկտի բոլոր հասանելի տարբերակները:

https://noad.sci.am/publication/149751

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RDF

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