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嗜团胰着咽闻 有缆团腿� 乃� 娜屠倘着咽紊 讶岩盘�, 虑廊涛呐裳衣愚倥� � 晕臀屯厶 衔伺�

�. �. 令泐膻犷�

吾滂礤眄 桧耱栩篁 �溴痦 桉耠邃钼囗栝, 捏犴�

�. �. 令泐膻犷� (祀.)

锑蝈爨蜩麇耜栝 桧耱栩篁 桁. �. �. 羊尻腩忄 劳 蜒研, 填耜忄

In this review article that is a generalization of N. N. Bogolubov's paper [1], we formulate methods for studying the electron-phonon system and excluding the phonon operators from the kinetic equations.
In particular, for the electron interaction with the phonon field a kinetic equation is derived for the polaron which, within a reasonable approximation, results in the exact Boltzmann equation for the polaron.
Methods for calculating the 玶esponse� functions (impedance and admittance) are proposed on the basis of the introduced 玜pproximating� Hamiltonian with linear interaction. The probability density for the particle distribution is calculated.

吾钺弪�� 疣犷蜞 �. �. 令泐膻犷忄 [1] � 纛痨箅桊簋蝰� 戾蝾潲 桤篦屙�� 尻蝠铐眍-纛眍眄铋 耔耱屐� � 桉觌屙�� 桤 耦铗忮蝰蜮簋� 觇礤蜩麇耜桴 箴噔礤龛� 纛眍眄 铒屦囹铕钼. � 鬣耱眍耱�, 潆� 忡噼祛溴轳蜮�� 尻蝠铐� � 纛眍眄 镱脲� 镱塍麇眍 觇礤蜩麇耜铄 箴噔礤龛� 潆� 镱��痤磬, 镳� 铎, 羼腓 钽疣龛麒螯�� 磬潆彐帙彘 囡镳铌耔爨鲨彘, 桤 礤泐 耠邃箦�, 磬镳桁屦, 蝾黜铄 箴噔礤龛� 令朦鲮囗� 潆� 镱��痤磬.
橡邃豚汔�� 蜞赕� 戾蝾潲 恹麒耠屙�� 趔黻鲨� 铗觌桕� (桁镥溧眈� � 噤扈蝌囗襦), 铖眍忄眄 磬 忖邃屙梃 囡镳铌耔扈痼邈� 汔扈朦蝾龛囗� � 腓礤轫 忡噼祛溴轳蜮桢�. 橡钼钿栩�� 恹麒耠屙桢 趔黻鲨� 镫铗眍耱� 忮痤�蝽铖蜩 疣耧疱溴脲龛� 鬣耱桷�.

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