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Борис В. Васильев
Сверхтекучесть и Сверхпроводимость
Борис В. Васильев
Сверхтекучесть и Сверхпроводимость
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Òî, ÷òî ÿäåðíûå ìîìåíòû ìîãóò áûòü óïîðÿäî-<br />
÷åíû ïàðàëëåëüíî èëè àíòèïàðàëëåëüíî äðóã<br />
äðóãó ñîãëàñóåòñÿ ñ íàëè÷èåì ñîîòâåòñòâóþùèõ<br />
ôàç ñâåðõòåêó÷åãî ãåëèÿ-3.<br />
Òàêèì îáðàçîì, ðàññìîòðåíèå ÿâëåíèÿ ñâåðõòåêó÷åñòè<br />
êàê ñëåäñòâèÿ óïîðÿäî÷åíèÿ íóëåâûõ<br />
êîëåáàíèé àòîìîâ ïðèâîäèò ê îöåíêàì òåìïåðàòóðû<br />
λ-ïåðåõîäîâ è äðóãèõ ïàðàìåòðîâ æèäêîãî<br />
ãåëèÿ, óäîâëåòâîðèòåëüíî ñîãëàñóþùèìñÿ ñ ðåçóëüòàòàìè<br />
èçìåðåíèé.<br />
161
Òî, ÷òî ÿäåðíûå ìîìåíòû ìîãóò áûòü óïîðÿäî- ÷åíû ïàðàëëåëüíî èëè àíòèïàðàëëåëüíî äðóã äðóãó ñîãëàñóåòñÿ ñ íàëè÷èåì ñîîòâåòñòâóþùèõ ôàç ñâåðõòåêó÷åãî ãåëèÿ-3. Òàêèì îáðàçîì, ðàññìîòðåíèå ÿâëåíèÿ ñâåðõòåêó÷åñòè êàê ñëåäñòâèÿ óïîðÿäî÷åíèÿ íóëåâûõ êîëåáàíèé àòîìîâ ïðèâîäèò ê îöåíêàì òåìïåðàòóðû λ-ïåðåõîäîâ è äðóãèõ ïàðàìåòðîâ æèäêîãî ãåëèÿ, óäîâëåòâîðèòåëüíî ñîãëàñóþùèìñÿ ñ ðåçóëüòàòàìè èçìåðåíèé. 161
Page 2: Áîðèñ Âàñèëüåâ ÑÂÅ
Page 5 and 6: 4 Îãëàâëåíèå 3. Íóëå
Page 8 and 9: Ãëàâà 1 Ìîæíî ëè òåî
Page 10 and 11: ïðèâåëî ê ôîðìèðîâ
Page 12 and 13: ðåçóëüòàòàì èõ èññ
Page 14 and 15: 1. 2. ýêñïåðèìåíòàëü
Page 16 and 17: 4. Õàðàêòåðíûå ñâîé
Page 18: íàïðèìåð, îáúÿñíåí
Page 22 and 23: Ãëàâà 2 Ââåäåíèå Ñâ
Page 24 and 25: îáúåäèíÿþùèõ àòîìû
Page 26 and 27: 1. Ñâåðõïðîâîäèìîñò
Page 28 and 29: âàæíûé ïðîðûâ â îòê
Page 30 and 31: ñîïðîòèâëåíèå äîëæ
Page 32 and 33: 2. Îòêðûòèå ñâåðõïð
Page 34 and 35: ÷åì ÷èùå ìåòàëë. Ïî
Page 36 and 37: Ãëàâà 3 Îñíîâíûå âå
Page 38 and 39: Ñëåäóåò îòìåòèòü, ÷
Page 40 and 41: Ïðèìåíåíèå îïåðàöè
Page 42 and 43: Äåéñòâèòåëüíî, â ñâ
Page 44 and 45: 2. Òåîðèÿ Ãèíçáóðãà-
Page 46 and 47: Âàæíûì øàãîì â ÃË-ò
Page 48 and 49: 3. Ýêñïåðèìåíòàëüíû
Page 50 and 51: Ïåðåâåñòè ñâåðõïðî
Page 52 and 53: Ðèñ. 3.2. Íèçêîòåìïåð
Page 54 and 55: Çàïèøåì ïàðàìåòð ï
Page 56 and 57: 0.622 log T c 0.621 0.620 0.619 198
Page 58 and 59: äðóãèõ ìåòàëëîâ, äë
Page 60 and 61: íàäåæäà ÷åðåç àìåð
Page 62 and 63: BCS Sn Ta Nb Ðèñ. 3.5. Òåìï
Page 64 and 65: Ñ ïîìîùüþ äâóõóðîâ
Page 66 and 67: 5. Íîâàÿ ýðà - ÂÒÑÏ Ç
Page 68 and 69: òåìïåðàòóðàìè ïåðå
Page 70 and 71: Ðèñ. 3.7. Èñòîðèÿ ïîâ
Page 72 and 73: Ãëàâà 4 Î ñâåðõòåêó
Page 74 and 75: çàäóìàííûé èì ýêñï
Page 76 and 77: Ñòàëèí, áåçóñëîâíî,
Page 78 and 79: ò.å. êîíöåíòðàöèÿ ñ
Page 80 and 81: ×àñòü 3 Ñâåðõïðîâîä
Page 82 and 83: Ãëàâà 5 Êîíäåíñàò ó
Page 84 and 85: êðèòè÷åñêîé òåìïåð
Page 86 and 87: àíñàìáëÿ ÷àñòèö ÿâ
Page 88 and 89: Â ñèñòåìå óïîðÿäî÷
Page 90 and 91: óïîðÿäî÷åíèå íóëåâ
Page 92 and 93: Ò.å. äâà êîëëåêòèâè
Page 94 and 95: Уровень энергии Фе
Page 96 and 97: ìåæäó èîíàìè L âåëè
Page 98 and 99:  ýòîì ñëó÷àå èìååì
Page 100 and 101: Â ñîîòâåòñòâèè ñ òå
Page 102 and 103: Ãëàâà 6 Êðèòè÷åñêèå
Page 104 and 105: 1.0 log T c Pb 0.5 Sn In Hg Tl 0.0
Page 106 and 107: è âîçáóæäåííîãî, õà
Page 108 and 109: Ýòî ðåøåíèå âåñüìà
Page 110 and 111: äëÿ ñâåðõïðîâîäíèê
Page 112 and 113: 4. Ïëîòíîñòü ñâåðõï Page 114 and 115: Òàêèì îáðàçîì, ïëîò Page 116 and 117: ñâåðõïðîâîäíèê λ F , Page 118 and 119: êîãåðåíòíîñòè ξ = v F Page 120 and 121: Ãëàâà 7 Äðóãèå ñâåð Page 122 and 123:  ïåðåõîäíûõ ìåòàë Page 124 and 125: 2 log Tc(calc) V 1 0 Ir Al Tl Zn Ru Page 126 and 127: 4 3 2 1 0 log 2 Nb 3 Sn V Nb Ta La Page 128 and 129: Ãëàâà 8 Ñêîððåêòèðî Page 130 and 131: Ñ ó÷åòîì ýòîãî, ïåð Page 132: superconductors λ L ,10 −6 cm ˜ Page 135 and 136: îíè ëîêàëèçîâàíû: (1 Page 137 and 138: âèäíî, ÷òî äëÿ ïîëó Page 139 and 140: Ïîýòîìó ïðåäñòàâëÿ Page 141 and 142: Ðàññìîòðèì ïîäðîáí Page 144: ×àñòü 4 Ñâåðõòåêó÷å Page 147 and 148: Ïðè ýòîì äëÿ ãåëèÿ-3 Page 149 and 150: Äèàãîíàëèçèðóåì ãà Page 151 and 152: àòîìîâ ñåáÿ ïðîÿâë Page 153 and 154: Èñõîäÿ èç ýòîãî, ìî Page 155 and 156: 3. Ïëîòíîñòü æèäêîã Page 157 and 158: 6. Òåìïåðàòóðà êèïå Page 160 and 161: Ãëàâà 13 Îöåíêà ñâîé Page 164 and 165: ×àñòü 5 Âûâîäû Page 166 and 167: Ïðåäëîæåííàÿ âàøåì Page 168: 2. Åùå î ïñåâäî-òåîð Page 171 and 172: [25] Phillips N.E.: Phys.Rev.B, 114 Page 173: Áîðèñ Âàñèëüåâè÷ Â
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