Zapit Larmorova precesiya perenapravlyaye syudi div takozh inshi znachennya Larmorova chastota chastota precesiyi magnitnogo momentu sho perebuvaye v odnoridnomu magnitnomu poli Napryamok precesiyi dlya chastinki z pozitivnim giromagnitnim spivvidnoshennyam Zelena strilka poznachaye zovnishnye magnitne pole chorna strilka magnitnij dipolnij moment chastinki w g B displaystyle omega gamma B U formuli g displaystyle gamma giromagnitne spivvidnoshennya B magnitna indukciya Inodi larmorovoyu chastotoyu nazivayut udvichi bilshu ciklotronnu chastotu dzherelo Zmist 1 Otrimannya virazu dlya larmorovoyi precesiyi v klasichnomu vipadku 2 Zv yazok larmorovoyi precesiyi z diamagnetizmom 3 Div takozh 4 DzherelaOtrimannya virazu dlya larmorovoyi precesiyi v klasichnomu vipadku RedaguvatiMagnitnij moment chastinok m 1 2 c r j r d 3 r displaystyle mathbf m frac 1 2c oint mathbf r times j mathbf r d 3 mathbf r nbsp u nerelyativistskomu i nekvantovomu nablizhenni dlya vipadku koli vidnoshennya zaryadu do masi kozhnoyi z chastinok ye velichinoyu postijnoyu mozhna zapisati yak m 1 2 c r j r d 3 r j i q i v i d a r r i q i 2 c i r i v i q i 2 m i c L displaystyle mathbf m frac 1 2c oint mathbf r times j mathbf r d 3 mathbf r mathbf j sum i q i mathbf v i delta a mathbf r mathbf r i frac q i 2c sum i mathbf r i times mathbf v i frac q i 2m i c mathbf L nbsp Todi moment sil sho diye na chastinku v odnoridnomu magnitnomu poli mozhna perepisati yak N m B q i 2 m i c L B q i 2 m i c B L w L displaystyle mathbf N mathbf m times mathbf B left frac q i 2m i c mathbf L times mathbf B right left frac q i 2m i c mathbf B times mathbf L right mathbf omega times mathbf L nbsp Zvidsi viplivaye sho vektor kutovoyi shvidkosti chastinki dorivnyuye w q 2 m c B displaystyle mathbf omega frac q 2mc mathbf B nbsp Takim chinom vektor momentu impulsu L displaystyle mathbf L nbsp precesiyuye iz nezminnimi dovzhinoyu ta kutom do vektora indukciyi polya z kutovoyu shvidkistyu w displaystyle mathbf omega nbsp Zv yazok larmorovoyi precesiyi z diamagnetizmom RedaguvatiU rezultati larmorovoyi precesiyi vid kozhnogo elektronu v atomi vinikaye krugovij strum prichomu vektor magnitnoyi indukciyi sho stvorenij cim strumom spryamovanij protilezhno do vektora indukciyi zovnishnogo polya Yaksho v atomi nemaye vlasnih magnitnih momentiv sho ne zalezhat vid polya to indukovanij takim chinom sumarnij magnitnij moment i namagnichenist takozh spryamovani proti polya Takim chinom zovnishnye pole poslablyuyetsya Div takozh RedaguvatiDzhozef Larmor Larmoriv radiusDzherela RedaguvatiCya stattya ne mistit posilan na dzherela Vi mozhete dopomogti polipshiti cyu stattyu dodavshi posilannya na nadijni avtoritetni dzherela Material bez dzherel mozhe buti piddano sumnivu ta vilucheno zhovten 2019 nbsp Ce nezavershena stattya z fiziki Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Larmorova chastota amp oldid 34777103
